CN111058967A - High-frequency detonation aerospace engine and control method - Google Patents

High-frequency detonation aerospace engine and control method Download PDF

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Publication number
CN111058967A
CN111058967A CN202010088356.0A CN202010088356A CN111058967A CN 111058967 A CN111058967 A CN 111058967A CN 202010088356 A CN202010088356 A CN 202010088356A CN 111058967 A CN111058967 A CN 111058967A
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China
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oxygen
steel plate
kerosene
liquid
round steel
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Chinese (zh)
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张英华
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/42—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants
    • F02K9/60—Constructional parts; Details not otherwise provided for
    • F02K9/62—Combustion or thrust chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/42—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants
    • F02K9/44—Feeding propellants
    • F02K9/52—Injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/42—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants
    • F02K9/44—Feeding propellants
    • F02K9/56—Control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/42—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants
    • F02K9/44—Feeding propellants
    • F02K9/56—Control
    • F02K9/58—Propellant feed valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/95—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by starting or ignition means or arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/97—Rocket nozzles

Abstract

The invention discloses a high-frequency detonation aerospace engine and a control method. Preheating: the motor stops rotating after the circulating valve is closed. One part of the liquid oxygen pumped from the liquid oxygen bin is gasified and then enters the circulating chamber, and the other part of the liquid oxygen enters the liquid oxygen heating chamber. One part of kerosene extracted from the bunker oil is blown into the burner by oxygen, and the other part of kerosene is blown under the movable circular plate by oxygen. Or one part of the liquid hydrogen pumped from the liquid hydrogen bin is gasified and then enters the burner, and the other part of the liquid hydrogen enters the liquid hydrogen heating chamber. The kerosene or hydrogen gas is burnt in the burner to heat the liquid oxygen in the liquid oxygen heating chamber and the liquid hydrogen in the liquid hydrogen heating chamber or the kerosene in the kerosene heating chamber. The motor rotates to drive the circulating valve to open, and the oxygen and the gasified kerosene are uniformly mixed under the movable circular plate and then ignited. Or the motor rotates to drive the circulating valve to open, and the oxygen and the hydrogen are uniformly mixed under the movable circular plate and then are ignited. After preheating is finished, oxygen and kerosene or hydrogen do not enter the combustor any more, and the mixed fuel gas is ignited by hot gas sprayed from the circulating bin.

Description

High-frequency detonation aerospace engine and control method
The technical field is as follows:
the invention relates to a high-frequency detonation aerospace engine and a control method.
Background art:
when the liquid oxygen kerosene space rocket is ignited, the liquid oxygen kerosene space rocket is like a rocket launcher which generates fire and dense smoke rolling fire light in a hot weather. When the liquid oxygen kerosene space rocket flies into the sky at night, a long orange-red flame is sprayed from the tail part of the liquid oxygen kerosene space rocket. The orange flame is the combustion of carbon particles decomposed from coal oil, the temperature of the orange flame is not more than 1000 ℃, and the orange flame is the product of insufficient combustion of kerosene. The 2000 ton liquid oxygen kerosene space rocket can only send 20 ton objects to the low orbit of the earth, and the efficiency of the existing liquid oxygen kerosene space rocket is very low. The light blue flame is the combustion of carbon monoxide, the temperature of the light blue flame is as high as 1600 ℃, and the light blue flame belongs to the full combustion of combustible materials. If the flame sprayed by the liquid oxygen kerosene space rocket is blue, the efficiency of the liquid oxygen kerosene space rocket is greatly improved.
Liquid oxygen liquid hydrogen space rockets are put into use in China, liquid oxygen liquid hydrogen space rockets fly to the sky in the daytime, and long white smoke is sprayed from the tail parts of the liquid oxygen liquid hydrogen space rockets. The white smoke ejected from the tail of the liquid oxygen liquid hydrogen space rocket is water drops cooled by water vapor generated by hydrogen combustion, which indicates that the flame temperature at the tail of the liquid oxygen liquid hydrogen space rocket is not high, namely the efficiency of the liquid oxygen liquid hydrogen space rocket is not high. The explosion is easy to happen when the hydrogen and the oxygen are mixed together, so that the combustion of the hydrogen of the liquid oxygen liquid hydrogen space rocket is difficult to control. The research on the liquid oxygen liquid hydrogen space rocket is still in the primary stage in China, and a long way is needed.
The invention content is as follows:
the invention relates to a high-frequency detonation aerospace engine. The binding type space rocket consists of a main rocket and four auxiliary rockets, wherein a launching bin is arranged in a main rocket arrow, a liquid oxygen bin is arranged in the rocket, a liquid oxygen turbine pump is arranged at the bottom of the liquid oxygen bin, and a liquid hydrogen bin is arranged in the rocket. The tail of the rocket is provided with a rocket engine, the rocket engine is provided with a plurality of spray pipes, the spray pipes are in a horn shape, the horn mouths of the spray pipes are downward, and the air plasma igniter is arranged outside the spray pipes. A circular pipe enters the spray pipe from the top of the spray pipe, a rotary shaft of the spray pipe penetrates through the circular pipe downwards, and a turbine is arranged at the lower end of the rotary shaft of the spray pipe. The upper end of the rotating shaft of the spray pipe is provided with a driving gear, and the driving gears on the rotating shafts of the plurality of spray pipes are meshed with a central driven gear. A central rotating shaft is arranged on the central driven gear, a central pinion is arranged on the central rotating shaft, the central pinion is meshed with an output gear of the motor, and the central pinion drives the liquid hydrogen turbo pump and the liquid oxygen turbo pump to rotate through gear transmission; the central pinion drives the gear of the rotation speed sensor to rotate. The top of each spray pipe is provided with a circulating chamber, a combustor is arranged outside each spray pipe, and a plurality of gas nozzles of the combustor are enclosed into a ring. A fixed round steel plate is arranged at the lower end of a middle round pipe of the spray pipe, a 15-radian fan-shaped notch and a 30-radian fan-shaped notch are formed in the fixed round steel plate, and angular bisectors of the 15-radian fan-shaped notch and the 30-radian fan-shaped notch of the fixed round steel plate are on the same straight line. The space between the circulating chamber and the fixed round steel plate is divided into a liquid oxygen heating chamber and a liquid hydrogen heating chamber by two clapboards, the two clapboards respectively form 120 degrees with the angular bisector of the fan-shaped notch with 30 radians of the fixed round steel plate, the fan-shaped notch with 15 radians of the fixed round steel plate is the outlet of the liquid oxygen heating chamber, and the fan-shaped notch with 30 radians of the fixed round steel plate is the outlet of the liquid hydrogen heating chamber. A plurality of heating pipes are connected out of the circulating chamber and sequentially pass through the liquid oxygen heating chamber and the fixed round steel plate, and a plurality of heating pipes are connected out of the circulating chamber and sequentially pass through the liquid hydrogen heating chamber and the fixed round steel plate. A branch pipe from the liquid oxygen turbine pump 14 is connected to the inlet of the liquid oxygen gasification chamber through a first liquid oxygen electric regulating valve, and a pipeline from the liquid oxygen gasification chamber is connected to the inlet of the combustor through a first electric regulating oxygen valve. The pipeline from the liquid hydrogen pump is connected to the inlet of the liquid hydrogen gasification chamber through a first liquid hydrogen electric regulating valve, the pipeline from the liquid hydrogen gasification chamber is connected to a gas nozzle of a burner through an electric regulating hydrogen valve, an electronic spark plug is arranged on the gas nozzle of the burner, and hot air branch pipes connected from the burner are connected to each spray pipe through respective one-way hot air valves. The other branch pipe from the liquid oxygen turbine pump is connected to the inlet of the liquid oxygen heating chamber through a second liquid oxygen electric regulating valve, and the liquid oxygen heating chamber is provided with a pressure sensor and a temperature sensor. The other branch pipe from the liquid hydrogen turbine pump is connected to the inlet of the liquid hydrogen heating chamber through a second liquid hydrogen electric regulating valve. The fan-shaped gap with the radian of 30 of the fixed round steel plate is an outlet of the liquid hydrogen heating chamber, the liquid hydrogen heating chamber is provided with a pressure sensor and a temperature sensor, and the fan-shaped gap with the radian of 30 of the fixed round steel plate is provided with a metal net. A plurality of heating pipes are connected out of the circulating chamber and penetrate through the liquid oxygen heating chamber and the fixed round steel plate, and a plurality of heating pipes are connected out of the circulating chamber and penetrate through the liquid hydrogen heating chamber and the fixed round steel plate. The circular pipe enters from the top of the spray pipe and sequentially passes through the circulating chamber, the intersection of the two partition plates and the central hole of the fixed round steel plate. The spray pipe wall below the fixed round steel plate is provided with an annular groove tightly attached to the fixed round steel plate, a movable round steel plate is installed in the annular groove, the movable round steel plate is provided with two 15-radian symmetrical fan-shaped notches, and the movable round steel 11 plate is fixed on the spray pipe rotating shaft above the turbine 12 below the round pipe. The movable round steel plate is driven by the rotating shaft of the spray pipe to rotate and form a circulating valve with the fixed round steel plate. The nozzle of the spray pipe below the turbine is provided with a catalytic combustion alloy net. The wall of the spray pipe below the movable round steel plate is provided with a pressure sensor and a temperature sensor.
A control method of a high-frequency detonation aerospace engine. Preheating: the motor drives the spray pipe rotating shaft to rotate, and the spray pipe rotating shaft drives the movable round steel plate to rotate. The motor drives the liquid oxygen turbine pump to rotate, and the liquid oxygen turbine pump pumps liquid oxygen from the liquid oxygen bin. A part of liquid oxygen from the liquid oxygen turbine pump enters the gasification chamber through the first liquid oxygen electric regulating valve, the liquid oxygen absorbs outdoor heat in the gasification chamber to become oxygen, and the oxygen from the liquid oxygen gasification chamber enters the combustor through the first electric regulating oxygen valve. The liquid hydrogen turbine pump is driven by the motor to rotate, the liquid hydrogen turbine pump extracts liquid hydrogen from the liquid hydrogen bin, the liquid hydrogen coming out of the liquid hydrogen turbine pump enters the liquid hydrogen gasification chamber through the first liquid hydrogen electric regulating valve, the liquid hydrogen absorbs outdoor heat in the liquid hydrogen gasification chamber to become hydrogen, the hydrogen coming out of the liquid hydrogen gasification chamber enters the combustor through the electric regulating hydrogen valve, and the hydrogen sprayed out of the nozzle of the combustor is ignited by the electronic spark plug. Hot air from the burner enters the circulating chambers of the spray pipes through the respective one-way hot air valves, the liquid oxygen heating chamber is heated when the hot air passes through the heating pipe in the liquid oxygen heating chamber, and the liquid hydrogen heating chamber is heated when the hot air passes through the heating pipe in the liquid hydrogen heating chamber. And the other part of the liquid hydrogen from the liquid hydrogen pump enters the liquid oxygen heating chamber through the second liquid hydrogen electric regulating valve and is heated into oxygen gas, and the other part of the liquid hydrogen from the liquid hydrogen pump enters the liquid hydrogen heating chamber through the second liquid hydrogen electric regulating valve and is heated into hydrogen gas. The computer controller adjusts the first electric adjusting oxygen valve according to signals transmitted by the pressure sensor and the temperature sensor which are arranged on the liquid oxygen heating chamber, and the computer academy of sciences adjusts the electric adjusting hydrogen valve according to signals transmitted by the pressure sensor and the temperature sensor which are arranged on the liquid hydrogen heating chamber. The computer control instrument adjusts the second liquid oxygen electric adjusting valve according to signals transmitted by the pressure sensor and the temperature sensor which are arranged in the liquid oxygen heating chamber, and the computer control instrument adjusts the second liquid hydrogen electric adjusting valve according to signals transmitted by the pressure sensor and the temperature sensor which are arranged in the liquid hydrogen heating chamber. The movable round steel plate rotates under the drive of the rotating shaft of the spray pipe to form a circulating valve with the fixed round steel plate, the circulating valve is opened when two 15-radian symmetrical fan-shaped gaps of the movable round steel plate are in butt joint with two fan-shaped gaps of the fixed round steel plate, oxygen comes out from the outlet of the liquid oxygen heating chamber, and hydrogen comes out from the outlet of the liquid hydrogen heating chamber. The rotating turbine uniformly mixes oxygen and hydrogen together, and the air plasma flame explodes the mixed gas of the hydrogen and the oxygen; the expanding gases produced by the detonation propel the turbine to rotate. The computer control instrument controls the second liquid oxygen electric regulating valve and the second liquid hydrogen electric regulating valve according to signals transmitted by the pressure sensor and the temperature sensor which are arranged on the spraying pipe wall below the movable round steel plate and the requirement, the computer control instrument regulates the second liquid oxygen electric regulating valve according to the opening size of the second liquid hydrogen electric regulating valve, and the computer control instrument regulates the rotating speed of the motor according to the signals transmitted by the pressure sensor and the temperature sensor which are arranged on the spraying pipe wall below the movable round steel plate and the requirement. The turbine and the motor continue to drive the rotating shaft of the spray pipe to rotate, and hot gas generated by deflagration passes through the catalytic combustion alloy net to be combusted for the second time. And after the preheating is finished, closing the first liquid oxygen electric regulating valve, the first electric regulating oxygen valve, the first liquid hydrogen electric regulating valve and the electric regulating hydrogen valve. The mixed gas of hydrogen and oxygen is deflagrated in the nozzle space below the movable round steel plate to generate 1000 ℃ gas, the gas passes through the heating pipe to enter the circulating chamber to heat the liquid oxygen in the liquid oxygen heating chamber into oxygen and the liquid hydrogen in the liquid hydrogen heating chamber into hydrogen, and a large amount of energy is stored. The turbine and the motor drive the spray pipe rotating shaft to rotate, the spray pipe rotating shaft drives the movable round steel plate to rotate, when two 15-radian symmetrical fan-shaped notches of the movable round steel plate are in butt joint with two fan-shaped notches of the fixed round steel plate, the circulating valve is opened, oxygen comes out from an outlet of the liquid oxygen heating chamber, and hydrogen comes out from an outlet of the liquid hydrogen heating chamber; the metal net arranged on the 30-radian fan-shaped notch for fixing the round steel plate can prevent hydrogen in the liquid hydrogen heating bin from being ignited; the rotating turbine uniformly mixes the high-temperature and high-pressure oxygen and hydrogen together. The turbine and the motor continue to drive the rotating shaft of the spray pipe to rotate, and the rotating shaft of the spray pipe drives the movable round steel plate to rotate so as to close the circulating valve; high-pressure gas which is stored in the circulating chamber and exceeds 700 ℃ passes through the heating pipe and is sprayed out from an outlet of the fixed round steel plate, mixed gas of hydrogen and oxygen in the spray pipe space below the movable round steel plate is subjected to point explosion, high-temperature high-pressure gas generated by deflagration of the mixed gas of the hydrogen and the oxygen in the spray pipe space below the movable round steel plate pushes the turbine to rotate, and hot gas generated by deflagration passes through the catalytic combustion alloy net to be subjected to secondary combustion. The mixed gas of hydrogen and oxygen is deflagrated in the nozzle space below the movable round steel plate to generate 1000 ℃ gas, the gas passes through the heating pipe to enter the circulating bin to heat the liquid oxygen in the liquid oxygen heating chamber into oxygen and the liquid hydrogen in the liquid hydrogen heating chamber into hydrogen, and meanwhile, a large amount of energy is stored to prepare for next hydrogen deflagration.
The invention relates to a high-frequency deflagration space engine.A bundled space rocket consists of a main rocket and four auxiliary rockets, wherein a launching bin is arranged in a main rocket arrow, a liquid oxygen bin is arranged in the rocket, a liquid oxygen turbopump is arranged at the bottom of the liquid oxygen bin, a kerosene bin is arranged in the rocket, and a kerosene turbopump is arranged at the bottom of the liquid hydrogen bin. The tail of the rocket is provided with a rocket engine, the rocket engine is provided with a plurality of spray pipes, the spray pipes are in a horn shape, the horn mouth is downward, and an air plasma igniter is arranged outside the spray pipes. A circular pipe enters the spray pipe from the top of the spray pipe, a rotary shaft of the spray pipe penetrates through the circular pipe downwards, and a turbine is arranged at the lower end of the rotary shaft of the spray pipe. The upper end of the rotating shaft of the spray pipe is provided with a driving gear, and the driving gears on the rotating shafts of the plurality of spray pipes are meshed with a central driven gear. The central driven gear is provided with a central rotating shaft, the central rotating shaft is provided with a central pinion, and the central pinion is meshed with an output gear of the motor. The central pinion drives the kerosene turbine pump and the liquid oxygen turbine pump to rotate through gear transmission; the central pinion drives the gear of the rotation speed sensor to rotate. The top of the spray pipe is provided with a circulating chamber, a burner is arranged outside the spray pipe, a plurality of kerosene nozzles of the burner enclose a ring, and another air plasma igniter is arranged beside the fuel nozzles. The lower end of a middle circular tube of the spray pipe is provided with a fixed circular steel plate, the fixed circular steel plate is provided with two 15-radian symmetrical fan-shaped gaps, and the space between the circulating chamber and the fixed circular steel plate is divided into a liquid oxygen heating chamber 7 and a kerosene heating chamber by two partition plates. A plurality of heating pipes are connected out of the circulating chamber and sequentially pass through the liquid oxygen heating chamber and the fixed round steel plate, and a plurality of heating pipes are connected out of the circulating chamber and sequentially pass through the kerosene heating chamber and the fixed round steel plate. A15-radian fan-shaped notch of the fixed round steel plate is an outlet of the liquid oxygen heating chamber, the other 15-radian fan-shaped notch of the fixed round steel plate is an outlet of the kerosene heating chamber, and a metal net is arranged on the outlet of the kerosene heating chamber. The circular tube enters from the top of the spray pipe and sequentially passes through the joint of the circulating chamber, the liquid oxygen heating chamber and the kerosene heating chamber and the central hole of the fixed circular steel plate. An annular groove tightly attached to the fixed round steel plate is formed in the inner wall of the spray pipe below the fixed round steel plate, a movable round steel plate is installed in the annular groove, and the movable round steel plate is provided with two 15-radian symmetrical fan-shaped notches; the movable round steel plate is fixed on the rotating shaft of the spray pipe above the turbine below the round pipe. The movable round steel plate is driven by the rotating shaft of the spray pipe to rotate and form a circulating valve with the fixed round steel plate; the nozzle of the spray pipe below the turbine is provided with a catalytic combustion alloy net. The wall of the spray pipe below the movable round steel plate is provided with a pressure sensor and a temperature sensor. One branch pipe from the liquid oxygen pump passes through the first liquid oxygen electric regulating valve and then is connected to the inlet of the liquid oxygen gasification chamber, one branch pipe from the liquid oxygen gasification chamber passes through the first electric regulating oxygen valve and then is connected to the combustor, and the other branch pipe from the liquid oxygen gasification chamber passes through the second electric regulating oxygen valve and then is connected to one inlet of the kerosene three-way valve. One branch pipe from the kerosene pump is connected to the other inlet of the kerosene tee joint through a first electric regulating kerosene valve, and a pipeline from the kerosene tee joint is connected to a kerosene nozzle of a burner through an electric fuel regulating valve. The other branch pipe pumped out from the kerosene pump is connected to the inlet of the kerosene heating chamber through a second electric adjusting kerosene valve, and the kerosene heating chamber is provided with a pressure sensor and a temperature sensor. The other branch pipe from the liquid oxygen turbine pump is connected to the liquid oxygen heating chamber through a second liquid oxygen electric regulating valve, and the liquid oxygen heating chamber is provided with a pressure sensor and a temperature sensor.
A control method of a high-frequency detonation aerospace engine. Preheating: the motor drives each spray pipe rotating shaft to rotate, and the spray pipe rotating shafts drive the movable round steel plates to rotate. The motor drives the liquid oxygen turbine pump to rotate, and the liquid oxygen turbine pump pumps liquid oxygen from the liquid oxygen bin. And a part of liquid oxygen from the liquid oxygen turbine pump enters the liquid oxygen gasification chamber through the first liquid oxygen electric regulating valve, and the liquid oxygen absorbs outdoor heat in the liquid oxygen gasification chamber to become oxygen. And one part of oxygen from the liquid oxygen gasification chamber enters the combustor through the first electric regulating oxygen valve, and the other part of oxygen from the liquid oxygen gasification chamber enters the kerosene three-way through the second electric regulating oxygen valve. The motor drives the kerosene turbine pump to rotate, the kerosene turbine pump pumps kerosene from the kerosene bin, a part of kerosene which flows out of the kerosene turbine pump enters the kerosene tee joint through the first electric regulating kerosene valve, oxygen is blown into the combustor through the electric fuel regulating valve, and the kerosene which is sprayed out of the kerosene nozzle of the combustor is ignited by air plasma flame; hot air from the burner enters the circulating chamber of each spray pipe through the corresponding one-way hot air valve. And the other part of the liquid oxygen from the liquid oxygen turbine pump enters the liquid oxygen heating chamber through the second liquid oxygen electric regulating valve, and when hot air passes through the heating pipe in the liquid oxygen heating chamber, the liquid oxygen in the liquid oxygen heating chamber is heated and gasified. And the other part of kerosene from the kerosene turbine pump enters the kerosene heating chamber through a second electric coal adjusting valve, and the kerosene in the kerosene heating chamber is heated and gasified when hot air passes through a heating pipe in the kerosene heating chamber. The computer control instrument adjusts the second electric oil adjusting valve according to the temperature and the pressure of the kerosene gas in the kerosene heating chamber; the computer controller adjusts the first electric adjusting oxygen valve, the second electric adjusting oxygen valve and the first electric adjusting coal valve according to signals transmitted by the pressure sensor and the temperature sensor which are arranged on the liquid oxygen heating chamber and signals transmitted by the pressure sensor and the temperature sensor which are arranged on the kerosene heating chamber. The movable round steel plate rotates under the drive of the spray pipe rotating shaft to form a circulating valve with the fixed round steel plate, when two 15-radian symmetrical fan-shaped gaps of the movable round steel plate are in butt joint with two 15-radian symmetrical fan-shaped gaps of the fixed round steel plate, the circulating valve is opened, oxygen comes out from an outlet of the liquid oxygen heating chamber, gasified kerosene comes out from an outlet of the kerosene heating chamber, and a metal net is arranged on the outlet of the kerosene heating chamber to prevent the gasified kerosene in the kerosene heating chamber from being ignited. The rotating turbine uniformly mixes the high-temperature high-pressure oxygen and the high-temperature gasified kerosene together; the computer controller adjusts the rotation speed of the motor according to the signals and the requirements transmitted by the pressure sensor and the temperature sensor which are arranged on the spray pipe wall below the movable round steel plate. The motor continues to drive the rotating shaft to rotate, and the rotating shaft drives the movable round steel plate to rotate so as to close the circulating valve. The air plasma flame beside the jet pipe explodes the high-temperature mixed gas of the gasified kerosene and the oxygen. The high-temperature high-pressure gas generated by deflagration of the mixed gas of gasified kerosene and oxygen in the spray pipe space below the movable round steel plate pushes the turbine to rotate, and the deflagrated hot gas passes through the catalytic combustion alloy net to be subjected to secondary combustion. And after the preheating is finished, closing the first liquid oxygen electric regulating valve, the first electric regulating oxygen valve, the second electric regulating oxygen valve and the first electric regulating oil saving valve. The 1000 ℃ gas generated by deflagration of the mixed gas of gasified kerosene and oxygen in the spray pipe space below the movable round steel plate passes through the heating pipe and enters the circulating chamber, liquid oxygen in the liquid oxygen heating chamber is heated into oxygen, the kerosene in the kerosene heating chamber is heated and gasified, and the turbine is pushed to rotate. The motor and the turbine drive the rotating shaft of the spray pipe to rotate, and the rotating shaft of the spray pipe drives the movable round steel plate to rotate. When the two 15-radian symmetrical fan-shaped gaps of the movable round steel plate are in butt joint with the two 15-radian symmetrical fan-shaped gaps of the fixed round steel plate, the circulating valve is opened, and high-temperature high-pressure oxygen in the liquid oxygen heating chamber and high-temperature gasified kerosene in the kerosene heating chamber are sprayed out from the circulating valve. The rotating turbine uniformly mixes the high-temperature and high-pressure oxygen with the gasified kerosene. The motor and the turbine continue to drive the rotating shaft of the spray pipe to rotate, and the rotating shaft of the spray pipe drives the movable round steel plate to rotate so as to close the circulating valve. High-pressure gas which is stored in the circulating chamber and exceeds 700 ℃ penetrates through the heating pipe to be sprayed out from an outlet of the fixed round steel plate, mixed gas of gasified kerosene and oxygen in the spray pipe space below the movable round steel plate is subjected to point explosion, high-temperature high-pressure gas generated by deflagration of the mixed gas of the gasified kerosene and the oxygen in the spray pipe space below the movable round steel plate pushes the turbine to rotate, and deflagration hot gas passes through the catalytic combustion alloy net to be subjected to secondary combustion. The 1000 ℃ gas generated by deflagration of the mixed gas of gasified kerosene and oxygen in the spray pipe space below the movable round steel plate passes through the heating pipe and enters the circulating chamber to heat the liquid oxygen in the liquid oxygen heating chamber into oxygen and heat and gasify the kerosene in the kerosene heating chamber, and simultaneously, a large amount of energy is stored to prepare for deflagration of the mixed gas of next gasified kerosene and oxygen.
Description of the drawings:
the present invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic structural diagram of a high-frequency detonation liquid oxygen-liquid hydrogen aerospace engine.
FIG. 2 is a schematic structural diagram of a high-frequency detonation liquid oxygen gasification kerosene aerospace engine.
The specific implementation mode is as follows:
FIG. 1 shows a high frequency detonation aerospace engine. The binding type space rocket consists of a main rocket and four auxiliary rockets, wherein a launching bin is arranged in a main rocket arrow, a liquid oxygen bin 1 is arranged in the rocket, a liquid oxygen turbine pump 14 is arranged at the bottom of the liquid oxygen bin 1, and a liquid hydrogen bin 3 is arranged in the rocket. The tail part of the rocket is provided with a rocket engine, the rocket engine is provided with a plurality of spray pipes 4, the spray pipes 4 are in a horn shape, the horn mouth is downward, and an air plasma igniter is arranged outside the spray pipes 4. A circular pipe enters the spray pipe 4 from the top of the spray pipe 4, a spray pipe rotating shaft penetrates through the circular pipe downwards, and a turbine is arranged at the lower end of the spray pipe rotating shaft. The upper end of the rotating shaft of the spray pipe is provided with a driving gear, and the driving gears on the rotating shafts of the plurality of spray pipes are meshed with a central driven gear. A central rotating shaft is arranged on the central driven gear, a central pinion is arranged on the central rotating shaft, the central pinion is meshed with an output gear of the motor, and the central pinion drives the liquid hydrogen turbo pump 25 and the liquid oxygen turbo pump 14 to rotate through gear transmission; the central pinion drives the gear of the rotation speed sensor to rotate. The top of the nozzle 4 is provided with a circulating chamber 5, the outside of the nozzle 4 is provided with a burner 6, and a plurality of gas nozzles of the burner 6 are enclosed into a ring. A fixed round steel plate 10 is installed at the lower end of a middle circular tube of the spray pipe 4, a 15-radian fan-shaped notch and a 30-radian fan-shaped notch are formed in the fixed round steel plate 10, and the 15-radian fan-shaped notch of the fixed round steel plate 10 and the angular bisector of the 301-radian fan-shaped notch are on the same straight line. The space between the circulating chamber 5 and the fixed round steel plate 10 is divided into a liquid oxygen heating chamber 7 and a liquid hydrogen heating chamber 8 by two clapboards, the two clapboards respectively form 120 degrees with an angular bisector of a fan-shaped gap with 30 radians of the fixed round steel plate 10, the fan-shaped gap with 15 radians of the fixed round steel plate 10 is an outlet of the liquid oxygen heating chamber 7, and the fan-shaped gap with 30 radians of the fixed round steel plate 10 is an outlet of the liquid hydrogen heating chamber 8. A plurality of heating pipes are connected out of the circulation chamber 5 and sequentially pass through the liquid oxygen heating chamber 7 and the fixed round steel plate 10, and a plurality of heating pipes are connected out of the circulation chamber 5 and sequentially pass through the liquid hydrogen heating chamber 8 and the fixed round steel plate 10. A branch pipe from the liquid oxygen turbine pump 14 is connected to the inlet of the liquid oxygen gasification chamber 17 through a first liquid oxygen electric regulating valve 15, and a pipeline from the liquid oxygen in the liquid oxygen gasification chamber 17 is connected to the inlet of the combustor 6 through a first electric regulating oxygen valve 18. The pipeline from the liquid hydrogen pump 25 is connected to the inlet of the liquid hydrogen gasification chamber 28 through the first liquid hydrogen electric regulating valve 26, the pipeline from the liquid hydrogen gasification chamber 28 is connected to the gas nozzle of the burner 6 through the electric regulating hydrogen valve 29, the gas nozzle of the burner 6 is provided with an electronic spark plug, and the hot air branch pipes connected from the burner 6 are connected to the circulating chamber 5 of each spray pipe 4 through the respective one-way hot air valves 24. The other branch pipe from the liquid oxygen turbine pump 14 is connected to the inlet of the liquid oxygen heating chamber 7 through a second liquid oxygen electric regulating valve 16, and the liquid oxygen heating chamber 7 is provided with a pressure sensor and a temperature sensor. The other branch pipe from the liquid hydrogen turbine pump 25 is connected to the inlet of the liquid hydrogen heating chamber 8 through a second liquid hydrogen electric regulating valve 27. The fan-shaped gap with the radian of 30 of the fixed round steel plate 10 is an outlet of the liquid hydrogen heating chamber 8, the liquid hydrogen heating chamber 8 is provided with a pressure sensor and a temperature sensor, and the fan-shaped gap with the radian of 30 of the fixed round steel plate 10 is provided with a metal net. A plurality of heating pipes are connected out of the circulation chamber 5 and pass through the liquid oxygen heating chamber 7 and the fixed round steel plate 10, and a plurality of heating pipes are connected out of the circulation chamber 5 and pass through the liquid hydrogen heating chamber 8 and the fixed round steel plate 10. The circular tube enters from the top of the spray pipe 4 and sequentially passes through the circulating chamber 5, the intersection of the two partition plates and the central hole of the fixed round steel plate 10. The wall of the spray pipe 4 below the fixed round steel plate 10 is provided with an annular groove tightly attached to the fixed round steel plate 10, a movable round steel plate 11 is installed in the annular groove, the movable round steel plate 11 is provided with two 15-radian symmetrical fan-shaped gaps, and the movable round steel plate 11 is fixed on a spray pipe rotating shaft above the turbine 12 below the round pipe. The movable round steel plate 11 is driven by the rotating shaft of the spray pipe to rotate to form a circulating valve with the fixed round steel plate 10. The nozzle pipe 4 opening below the turbine 12 is provided with a catalytic combustion alloy net 13. The wall of the spray pipe 4 below the movable round steel plate 11 is provided with a pressure sensor and a temperature sensor.
FIG. 1 shows a control method of a high-frequency detonation aerospace engine. Preheating: the motor drives the nozzle rotating shaft to rotate, and the nozzle rotating shaft drives the movable round steel plate 11 to rotate. The motor drives the liquid oxygen turbine pump 14 to rotate, and the liquid oxygen turbine pump 14 pumps liquid oxygen from the liquid oxygen bin 1. A part of liquid oxygen from the liquid oxygen turbine pump 14 enters the gasification chamber 17 through the first electric liquid oxygen regulating valve 15, the liquid oxygen absorbs outdoor heat in the gasification chamber 17 to become oxygen, and the oxygen from the liquid oxygen gasification chamber 17 enters the combustor 6 through the first electric regulating oxygen valve 18. The motor drives the liquid hydrogen turbine pump 25 to rotate, the liquid hydrogen turbine pump 25 pumps liquid hydrogen from the liquid hydrogen bin 3, the liquid hydrogen from the liquid hydrogen turbine pump 25 enters the liquid hydrogen gasification chamber 28 through the first liquid hydrogen electric regulating valve 26, the liquid hydrogen absorbs outdoor heat in the liquid hydrogen gasification chamber 28 to become hydrogen, the hydrogen from the liquid hydrogen gasification chamber 28 enters the combustor 6 through the electric regulating hydrogen valve 29, and the hydrogen sprayed from the nozzle of the combustor 6 is ignited by the electronic spark plug. Hot air from the burner 6 enters the circulating chambers 5 of the spray pipes 4 through the respective one-way hot air valves 24, the hot air heats the liquid oxygen heating chamber 7 when passing through the heating pipe in the liquid oxygen heating chamber 7, and the hot air heats the liquid hydrogen heating chamber 8 when passing through the heating pipe in the liquid hydrogen heating chamber 8. The other part of the liquid oxygen from the liquid oxygen pump 14 enters the liquid oxygen heating chamber 7 through the second liquid oxygen electric regulating valve 16 and is heated into oxygen gas, and the other part of the liquid hydrogen from the liquid hydrogen pump 25 enters the liquid hydrogen heating chamber 8 through the second liquid hydrogen electric regulating valve 27 and is heated into hydrogen gas. The computer control instrument adjusts the first electric adjusting oxygen valve 18 according to signals transmitted by a pressure sensor and a temperature sensor arranged in the liquid oxygen heating chamber 7, and the computer academy of sciences adjusts the electric adjusting hydrogen valve 26 according to signals transmitted by the pressure sensor and the temperature sensor arranged in the liquid hydrogen heating chamber 8. The computer control instrument adjusts the second liquid oxygen electric adjusting valve 16 according to signals transmitted by the pressure sensor and the temperature sensor arranged in the liquid oxygen heating chamber 7, and the computer control instrument adjusts the second liquid hydrogen electric adjusting valve 27 according to signals transmitted by the pressure sensor and the temperature sensor arranged in the liquid hydrogen heating chamber 8. The movable round steel plate 11 rotates under the drive of the rotating shaft of the spray pipe to form a circulating valve with the fixed round steel plate 10, when two 15-radian symmetrical fan-shaped notches of the movable round steel plate 11 are in butt joint with two fan-shaped notches of the fixed round steel plate 10, the circulating valve is opened, oxygen comes out from the outlet of the liquid oxygen heating chamber 7, and hydrogen comes out from the outlet of the liquid hydrogen heating chamber 8. The rotating turbine 12 uniformly mixes the oxygen and the hydrogen together, and the air plasma flame explodes the mixed gas of the hydrogen and the oxygen; the expanding gases produced by the detonation propel the turbine 12 to rotate. The computer control instrument controls the second liquid oxygen electric control valve 16 and the second liquid hydrogen electric control valve 27 according to signals transmitted by the pressure sensor and the temperature sensor arranged on the wall of the spray pipe 4 below the movable round steel plate 11 and the requirement, the computer control instrument adjusts the second liquid oxygen electric control valve 16 according to the opening size of the second liquid hydrogen electric control valve 27, and the computer control instrument adjusts the rotating speed of the motor according to signals transmitted by the pressure sensor and the temperature sensor arranged on the wall of the spray pipe 4 below the movable round steel plate 11 and the requirement. The turbine 12 and the motor continue to drive the rotating shaft of the spray pipe to rotate, and hot gas generated by deflagration passes through the catalytic combustion alloy mesh 13 to be combusted for the second time. After the completion of the preheating, the first liquid oxygen electric control valve 15, the first electric control oxygen valve 18, the first liquid hydrogen electric control valve 26, and the electric control hydrogen valve 29 are closed. The mixed gas of hydrogen and oxygen is deflagrated in the space of the nozzle 4 below the movable round steel plate 11 to generate 1000 ℃ gas, the gas passes through the heating pipe and enters the circulating chamber 5 to heat the liquid oxygen in the liquid oxygen heating chamber 7 into oxygen and the liquid hydrogen in the liquid hydrogen heating chamber 8 into hydrogen, and a large amount of energy is stored. The turbine 12 and the motor drive the spray pipe rotating shaft to rotate, the spray pipe rotating shaft drives the movable round steel plate 11 to rotate, when two 15-radian symmetrical fan-shaped notches of the movable round steel plate 11 are in butt joint with two fan-shaped notches of the fixed round steel plate 10, the circulating valve is opened, oxygen comes out from the outlet of the liquid oxygen heating chamber 7, and hydrogen comes out from the outlet of the liquid hydrogen heating chamber 8; the metal mesh arranged on the 30-radian fan-shaped notch of the fixed round steel plate 10 can prevent hydrogen in the liquid hydrogen heating bin from being ignited; the rotating turbine 12 uniformly mixes the oxygen and hydrogen at high temperature and high pressure. The turbine 12 and the motor continue to drive the rotating shaft of the spray pipe to rotate, and the rotating shaft of the spray pipe drives the movable round steel plate 11 to rotate so as to close the circulating valve; high-pressure gas which is stored in the circulating chamber 5 and exceeds 700 ℃ passes through the heating pipe and is sprayed out from the outlet of the fixed round steel plate 10, mixed gas of hydrogen and oxygen in the spray pipe space below the movable round steel plate 11 is subjected to point explosion, high-temperature high-pressure gas generated by deflagration of the mixed gas of hydrogen and oxygen in the spray pipe space below the movable round steel plate 11 pushes the turbine 12 to rotate, and hot gas generated by deflagration passes through the catalytic combustion alloy net 13 to be subjected to secondary combustion. The mixed gas of hydrogen and oxygen is deflagrated in the space of the spray pipe 4 below the movable round steel plate 11 to generate 1000 ℃ gas, the gas passes through the heating pipe and enters the circulating bin 5 to heat the liquid oxygen in the liquid oxygen heating chamber 7 into oxygen and the liquid hydrogen in the liquid hydrogen heating chamber 8 into hydrogen, and simultaneously, a large amount of energy is stored to prepare for next hydrogen deflagration.
As shown in figure 2, the high-frequency deflagration space engine is a bundled space rocket which consists of a main rocket and four auxiliary rockets, wherein a launching bin is arranged in a main rocket arrow, a liquid oxygen bin 1 is arranged in the rocket, a liquid oxygen turbopump 14 is arranged at the bottom of the liquid oxygen bin 1, a kerosene bin 2 is arranged in the rocket, and a kerosene turbopump 20 is arranged at the bottom of the liquid hydrogen bin 2. The tail part of the rocket is provided with a rocket engine, the rocket engine is provided with a plurality of spray pipes 4, the spray pipes are in a horn shape, the horn mouth is downward, and an air plasma igniter is arranged outside the spray pipes 4. A circular tube enters the spray pipe 4 from the top of the spray pipe 4, a rotary shaft of the spray pipe penetrates through the circular tube downwards, and a turbine 12 is arranged at the lower end of the rotary shaft of the spray pipe. The upper end of the rotating shaft of the spray pipe is provided with a driving gear, and the driving gears on the rotating shafts of the plurality of spray pipes are meshed with a central driven gear. The central driven gear is provided with a central rotating shaft, the central rotating shaft is provided with a central pinion, and the central pinion is meshed with an output gear of the motor. The central pinion drives the kerosene turbopump 20 and the liquid oxygen turbopump 14 to rotate through gear transmission; the central pinion drives the gear of the rotation speed sensor to rotate. The top of the spray pipe 4 is provided with a circulating chamber 5, a burner 6 is arranged outside the spray pipe 4, a plurality of kerosene nozzles of the burner 6 enclose a ring, and another air plasma igniter is arranged beside the kerosene nozzles. A fixed round steel plate 10 is arranged at the lower end of a middle round pipe of the spray pipe 4, the fixed round steel plate 10 is provided with two 15-radian symmetrical fan-shaped gaps, and the space between the circulating chamber 5 and the fixed round steel plate 10 is divided into a liquid oxygen heating chamber 7 and a kerosene heating chamber 9 by two partition plates. A plurality of heating pipes are connected out of the circulation chamber 5 and sequentially pass through the liquid oxygen heating chamber 7 and the fixed round steel plate 10, and a plurality of heating pipes are connected out of the circulation chamber 5 and sequentially pass through the kerosene heating chamber 9 and the fixed round steel plate 10. A15-radian fan-shaped notch of the fixed round steel plate 10 is an outlet of the liquid oxygen heating chamber 7, another 15-radian fan-shaped notch of the fixed round steel plate 10 is an outlet of the kerosene heating chamber 9, and a metal net is arranged on the outlet of the kerosene heating chamber 9. The circular tube enters from the top of the spray pipe 4 and sequentially passes through the joint of the circulating chamber 5, the liquid oxygen heating chamber 7 and the kerosene heating chamber 9 and the central hole of the fixed round steel plate 10. An annular groove tightly attached to the fixed round steel plate 10 is formed in the inner wall of the spray pipe 4 below the fixed round steel plate 10, a movable round steel plate 11 is installed in the annular groove, and the movable round steel plate 11 is provided with two 15-radian symmetrical fan-shaped notches; the movable round steel plate 11 is fixed on the rotating shaft of the spray pipe above the turbine 12 below the round pipe. The movable round steel plate 11 is driven by the rotating shaft of the spray pipe to rotate to form a circulating valve with the fixed round steel plate 10; the nozzle of the lance 4 below the turbine 12 is fitted with a catalytic combustion alloy mesh 13. The wall of the spray pipe 4 below the movable round steel plate 11 is provided with a pressure sensor and a temperature sensor. One branch pipe from the liquid oxygen pump 14 passes through the first liquid oxygen electric regulating valve 15 and then is connected to the inlet of the liquid oxygen gasification chamber 17, one branch pipe from the liquid oxygen gasification chamber 17 passes through the first electric regulating oxygen valve 18 and then is connected to the combustor 6, and the other branch pipe from the liquid oxygen gasification chamber 17 passes through the second electric regulating oxygen valve 19 and then is connected to one inlet of the kerosene three-way pipe. A branch pipe from the kerosene pump 20 is connected to the other inlet of the kerosene three-way pipe through a first electric fuel regulating valve 21, and a pipeline from the kerosene three-way pipe is connected to a kerosene nozzle of the burner 6 through an electric fuel regulating valve 23. The other branch pipe from the kerosene pump 20 is connected to the inlet of the kerosene heating chamber 9 through a second electric adjusting kerosene valve 22, and the kerosene heating chamber 9 is provided with a pressure sensor and a temperature sensor. The other branch pipe from the liquid oxygen turbine pump 14 is connected to the liquid oxygen heating chamber 7 through a second liquid oxygen electric regulating valve 16, and the liquid oxygen heating chamber 7 is provided with a pressure sensor and a temperature sensor.
FIG. 2 shows a control method of a high-frequency detonation aerospace engine. Preheating: the motor drives each spray pipe rotating shaft to rotate, and the spray pipe rotating shafts drive the movable round steel plates 11 to rotate. The motor drives the liquid oxygen turbine pump 14 to rotate, and the liquid oxygen turbine pump 14 pumps liquid oxygen from the liquid oxygen bin 1. A part of the liquid oxygen from the liquid oxygen turbopump 14 enters the liquid oxygen gasification chamber 17 through the first liquid oxygen electric control valve 15, and the liquid oxygen absorbs outdoor heat in the liquid oxygen gasification chamber 17 to become oxygen. One part of oxygen from the liquid oxygen gasification chamber 17 enters the combustor 6 through a first electric adjusting oxygen valve 18, and the other part of oxygen from the liquid oxygen gasification chamber 17 enters the kerosene three-way through a second electric adjusting oxygen valve 19. The motor drives the kerosene turbine pump 20 to rotate, the kerosene turbine pump 20 pumps kerosene from the kerosene bin 2, a part of kerosene which comes out from the kerosene turbine pump 20 enters the kerosene tee joint through the first electric fuel regulating valve 21, is blown into the combustor 6 by oxygen through the electric fuel regulating valve 23, and is sprayed out from a kerosene nozzle of the combustor 6 to be ignited by air plasma flame; hot air from the burners 6 passes through respective one-way hot blast valves 24 into the circulation chamber 5 of each lance 4. The other part of the liquid oxygen from the liquid oxygen turbine pump 14 enters the liquid oxygen heating chamber 7 through the second liquid oxygen electric regulating valve 16, and the hot air heats and gasifies the liquid oxygen in the liquid oxygen heating chamber 7 when passing through the heating pipe in the liquid oxygen heating chamber 7. The other part of kerosene from the kerosene turbine pump 20 enters the kerosene heating chamber 9 through the second electric adjusting kerosene valve 22, and the hot air heats and gasifies the kerosene in the kerosene heating chamber 9 when passing through the heating pipe in the kerosene heating chamber 9. The computer control instrument adjusts the second electric oil adjusting valve 22 according to the temperature and the pressure of the kerosene gas in the kerosene heating chamber 9; the computer controller adjusts the first electric adjusting oxygen valve 18, the second electric adjusting oxygen valve 19 and the first electric adjusting coal-oil valve 21 according to signals transmitted by a pressure sensor and a temperature sensor arranged in the liquid oxygen heating chamber 7 and signals transmitted by a pressure sensor and a temperature sensor arranged in the kerosene heating chamber 9. The movable round steel plate 11 rotates under the drive of the spray pipe rotating shaft to form a circulating valve with the fixed round steel plate 10, when two 15-radian symmetrical fan-shaped gaps of the movable round steel plate 11 are in butt joint with two 15-radian symmetrical fan-shaped gaps of the fixed round steel plate 10, the circulating valve is opened, oxygen comes out from an outlet of the liquid oxygen heating chamber 7, gasified kerosene comes out from an outlet of the kerosene heating chamber 9, and a metal net is arranged on an outlet of the kerosene heating chamber 9 to prevent the gasified kerosene in the kerosene heating chamber 9 from being ignited. The rotating turbine 12 uniformly mixes the high-temperature high-pressure oxygen with the high-temperature gasified kerosene; the computer controller adjusts the rotation speed of the motor according to the signals and requirements transmitted by the pressure sensor and the temperature sensor which are arranged on the wall of the spray pipe 4 below the movable round steel plate 11. The motor continues to drive the rotating shaft to rotate, and the rotating shaft drives the movable round steel plate 11 to rotate so as to close the circulating valve. The air plasma flame beside the jet pipe 4 detonates the high-temperature mixed gas of the gasified kerosene and oxygen. The high-temperature high-pressure gas generated by deflagration of the mixed gas of gasified kerosene and oxygen in the space of the spray pipe 4 below the movable round steel plate 11 pushes the turbine 12 to rotate, and the deflagrated hot gas passes through the catalytic combustion alloy net 13 to be subjected to secondary combustion. After the preheating is finished, the first liquid oxygen electric regulating valve 15, the first electric regulating oxygen valve 18, the second electric regulating oxygen valve 19 and the first electric regulating oil saving valve 21 are closed. The mixed gas of gasified kerosene and oxygen is deflagrated in the space of the spray pipe 4 below the movable round steel plate 11 to generate 1000 ℃ gas, the gas passes through the heating pipe and enters the circulating chamber 5, the liquid oxygen in the liquid oxygen heating chamber 7 is heated into oxygen, the kerosene in the kerosene heating chamber 9 is heated and gasified, and the turbine 12 is pushed to rotate. The motor and the turbine 12 drive the rotating shaft of the spray pipe to rotate, and the rotating shaft of the spray pipe drives the movable round steel plate 11 to rotate. When the two 15-radian symmetrical fan-shaped gaps of the movable round steel plate 11 are in butt joint with the two 15-radian symmetrical fan-shaped gaps of the fixed round steel plate 10, the circulating valve is opened, and the high-temperature high-pressure oxygen in the liquid oxygen heating chamber 7 and the high-temperature gasified kerosene in the kerosene heating chamber 9 are sprayed out from the circulating valve. The rotating turbine 12 uniformly mixes the high-temperature and high-pressure oxygen with the gasified kerosene. The motor and the turbine 12 continue to drive the rotating shaft of the spray pipe to rotate, and the rotating shaft of the spray pipe drives the movable round steel plate 11 to rotate so as to close the circulating valve. High-pressure gas with the temperature of over 700 ℃ stored in the circulating chamber 5 passes through the heating pipe and is sprayed out from the outlet of the fixed round steel plate 10, mixed gas of gasified kerosene and oxygen in the spray pipe space below the movable round steel plate 11 is subjected to point explosion, high-temperature high-pressure gas generated by deflagration of the mixed gas of the gasified kerosene and the oxygen in the spray pipe 4 space below the movable round steel plate 11 pushes the turbine 12 to rotate, and deflagration hot gas passes through the catalytic combustion alloy net 13 to be subjected to secondary combustion. The mixed gas of gasified kerosene and oxygen is deflagrated in the space of the spray pipe 4 below the movable round steel plate 11 to generate 1000 ℃ gas, the gas passes through the heating pipe and enters the circulating chamber 5 to heat the liquid oxygen in the liquid oxygen heating chamber 7 into oxygen and heat and gasify the kerosene in the kerosene heating chamber 9, and simultaneously, a large amount of energy is stored to prepare for next deflagration of the mixed gas of gasified kerosene and oxygen.

Claims (4)

1. A high-frequency deflagration space engine, the bundled space rocket is composed of a main rocket and four auxiliary rockets, a launching bin is arranged in a main rocket arrow, a liquid oxygen bin is arranged in the rocket, a liquid oxygen turbine pump is arranged at the bottom of the liquid oxygen bin, a liquid hydrogen bin is arranged in the rocket, and a liquid hydrogen turbine pump is arranged at the bottom of the liquid hydrogen bin; the tail part of the rocket is provided with a rocket engine, the rocket engine is provided with a plurality of spray pipes, the spray pipes are in a horn shape, the horn mouths of the spray pipes are downward, and air plasma igniters are arranged outside the spray pipes; a circular pipe enters the spray pipe from the top of the spray pipe, a spray pipe rotating shaft penetrates through the circular pipe downwards, a turbine is arranged at the lower end of the spray pipe rotating shaft, a driving gear is arranged at the upper end of the spray pipe rotating shaft, the driving gears on the plurality of spray pipe rotating shafts are meshed with a central driven gear, a central rotating shaft is arranged on the central driven gear, a central pinion is arranged on the central rotating shaft and meshed with an output gear of a motor, and the central pinion drives the liquid hydrogen turbo pump and the liquid oxygen turbo pump to rotate through gear transmission; the central pinion drives a gear of the rotating speed sensor to rotate; the method is characterized in that: the top of the spray pipe (4) is provided with a circulating chamber (5), a combustor (6) is arranged outside the spray pipe (4), and a plurality of gas nozzles of the combustor (6) are enclosed into a ring; a fixed round steel plate (10) is arranged at the lower end of a middle circular tube of the spray pipe (4), a 15-radian fan-shaped notch and a 30-radian fan-shaped notch are formed in the fixed round steel plate (10), angular bisectors of the 15-radian fan-shaped notch and the 301-radian fan-shaped notch of the fixed round steel plate (10) are arranged on a straight line, a space between the circulating chamber (5) and the fixed round steel plate (10) is divided into a liquid oxygen heating chamber (7) and a liquid hydrogen heating chamber (8) by two partition plates, the two partition plates and the angular bisectors of the 30-radian fan-shaped notch of the fixed round steel plate (10) form a 120 degrees, the 15-radian fan-shaped notch of the fixed round steel plate (10) is an outlet of the liquid oxygen heating chamber (7), and the 30-radian fan-shaped notch of the fixed round steel plate (10) is an outlet of the liquid; a plurality of heating pipes are connected out of the circulating chamber (5) and sequentially pass through the liquid oxygen heating chamber (7) and the fixed round steel plate (10), and a plurality of heating pipes are connected out of the circulating chamber (5) and sequentially pass through the liquid hydrogen heating chamber (8) and the fixed round steel plate (10); a branch pipe from the liquid oxygen turbine pump (14) is connected to the inlet of the liquid oxygen gasification chamber (17) through a first liquid oxygen electric regulating valve (15), and a pipeline from the liquid oxygen gasification chamber (17) is connected to the inlet of the combustor (6) through a first electric regulating oxygen valve (18); a pipeline from a liquid hydrogen pump (25) is connected to an inlet of a liquid hydrogen gasification chamber (28) through a first liquid hydrogen electric regulating valve (26), a pipeline from the liquid hydrogen gasification chamber (28) is connected to a gas nozzle of a burner (6) through an electric regulating hydrogen valve (29), an electronic spark plug is arranged on the gas nozzle of the burner (6), and hot air branch pipes connected from the burner (6) are connected to a circulation chamber (5) of each spray pipe (4) through respective one-way hot air valves (24); the other branch pipe from the liquid oxygen turbine pump (14) is connected to the inlet of the liquid oxygen heating chamber (7) through a second liquid oxygen electric regulating valve (16), and the liquid oxygen heating chamber (7) is provided with a pressure sensor and a temperature sensor; the other branch pipe from the liquid hydrogen turbine pump (25) is connected to the inlet of the liquid hydrogen heating chamber (8) through a second liquid hydrogen electric regulating valve (27); the fan-shaped gap with the radian of 30 of the fixed round steel plate (10) is an outlet of the liquid hydrogen heating chamber (8), the liquid hydrogen heating chamber (8) is provided with a pressure sensor and a temperature sensor, the fan-shaped gap with the radian of 30 of the fixed round steel plate (10) is provided with a metal net, a plurality of heating pipes are connected out from the circulating chamber (5) and penetrate through the liquid oxygen heating chamber (7) and the fixed round steel plate (10), a plurality of heating pipes are connected out from the circulating chamber (5) and penetrate through the liquid hydrogen heating chamber (8) and the fixed round steel plate (10), and a round pipe enters from the top of the spray pipe (4) and sequentially penetrates through the circulating chamber (5), the intersection of the two partition plates and a central hole; an annular groove tightly attached to the fixed round steel plate (10) is formed in the wall of the spray pipe (4) below the fixed round steel plate (10), a movable round steel plate (11) is installed in the annular groove, the movable round steel plate (11) is provided with two 15-radian symmetrical fan-shaped notches, and the movable round steel plate (11) is fixed on a spray pipe rotating shaft above the turbine (12) below the round pipe; the movable round steel plate (11) is driven by the rotating shaft of the spray pipe to rotate to form a circulating valve with the fixed round steel plate (10); a catalytic combustion alloy net (13) is arranged at the opening of the spray pipe (4) below the turbine (12); and a pressure sensor and a temperature sensor are arranged on the wall of the spray pipe (4) below the movable round steel plate (11).
2. A control method of a high-frequency detonation aerospace engine is characterized by comprising the following steps: preheating: the motor drives the rotating shaft of the spray pipe to rotate, and the rotating shaft of the spray pipe drives the movable round steel plate (11) to rotate; the liquid oxygen turbine pump (14) is driven by the motor to rotate, the liquid oxygen turbine pump (14) pumps liquid oxygen from the liquid oxygen bin (1), a part of the liquid oxygen from the liquid oxygen turbine pump (14) enters the gasification chamber (17) through the first liquid oxygen electric regulating valve (15), the liquid oxygen absorbs outdoor heat in the gasification chamber (17) to become oxygen, and the oxygen from the liquid oxygen gasification chamber (17) enters the combustor (6) through the first electric regulating oxygen valve (18); the liquid hydrogen turbo pump (25) is driven by the motor to rotate, the liquid hydrogen turbo pump (25) pumps liquid hydrogen from the liquid hydrogen bin (3), the liquid hydrogen coming out of the liquid hydrogen turbo pump (25) enters the liquid hydrogen gasification chamber (28) through the first liquid hydrogen electric regulating valve (26), the liquid hydrogen absorbs outdoor heat in the liquid hydrogen gasification chamber (28) to become hydrogen, the hydrogen coming out of the liquid hydrogen gasification chamber (28) enters the combustor (6) through the electric regulating hydrogen valve (29), and the hydrogen sprayed out of the nozzle of the combustor (6) is ignited by the electronic spark plug; hot air from the burner (6) enters the circulating chamber (5) of each spray pipe (4) through the corresponding one-way hot air valve (24), the hot air heats the liquid oxygen heating chamber (7) when passing through the heating pipe in the liquid oxygen heating chamber (7), the hot air heats the liquid hydrogen heating chamber (8) when passing through the heating pipe in the liquid hydrogen heating chamber (8), and the other part of liquid oxygen from the liquid oxygen pump (14) enters the liquid oxygen heating chamber (7) through the second liquid oxygen electric regulating valve (16) and is heated into oxygen; the other part of the liquid hydrogen from the liquid hydrogen pump (25) enters the liquid hydrogen heating chamber (8) through a second liquid hydrogen electric regulating valve (27) and is heated into hydrogen gas; the computer control instrument adjusts a first electric adjusting oxygen valve (18) according to signals transmitted by a pressure sensor and a temperature sensor arranged in the liquid oxygen heating chamber (7), and the computer academy of sciences adjusts an electric adjusting hydrogen valve (26) according to signals transmitted by the pressure sensor and the temperature sensor arranged in the liquid hydrogen heating chamber (8); the computer control instrument adjusts the second liquid oxygen electric adjusting valve (16) according to signals transmitted by a pressure sensor and a temperature sensor arranged in the liquid oxygen heating chamber (7), and the computer control instrument adjusts the second liquid hydrogen electric adjusting valve (27) according to signals transmitted by the pressure sensor and the temperature sensor arranged in the liquid hydrogen heating chamber (8); the movable round steel plate (11) rotates under the driving of the rotating shaft of the spray pipe to form a circulating valve with the fixed round steel plate (10), when two 15-radian symmetrical fan-shaped gaps of the movable round steel plate (11) are in butt joint with two fan-shaped gaps of the fixed round steel plate (10), the circulating valve is opened, oxygen comes out from an outlet of the liquid oxygen heating chamber (7), hydrogen comes out from an outlet of the liquid hydrogen heating chamber (8), and a metal net is arranged on an outlet of the kerosene heating chamber (9) to prevent gasified kerosene in the kerosene heating chamber (9) from being ignited; the rotating turbine (12) uniformly mixes the oxygen and the hydrogen together, and the air plasma flame explodes the mixed gas of the hydrogen and the oxygen; the expansion gas generated by the deflagration pushes the turbine (12) to rotate; the computer control instrument controls the second electro-hydraulic control valve (16) and the second electro-hydraulic control valve (27) according to signals transmitted by a pressure sensor and a temperature sensor arranged on the wall of the spray pipe (4) below the movable round steel plate (11) and the requirement, the computer control instrument adjusts the second electro-hydraulic control valve (16) according to the opening size of the second electro-hydraulic control valve (27), and the computer control instrument adjusts the rotating speed of the motor according to the signals transmitted by the pressure sensor and the temperature sensor arranged on the wall of the spray pipe (4) below the movable round steel plate (11) and the requirement; the turbine (12) and the motor spray pipe continue to drive the rotating shaft to rotate, and hot gas generated by deflagration passes through the catalytic combustion alloy net (13) to be combusted for the second time; after the preheating is finished, closing a first liquid oxygen electric regulating valve (15), a first electric regulating oxygen valve (18), a first liquid hydrogen electric regulating valve (26) and an electric regulating hydrogen valve (29); the mixed gas of hydrogen and oxygen is deflagrated in the space of the spray pipe (4) below the movable round steel plate (11) to generate 1000 ℃ gas, the gas passes through the heating pipe and enters the circulating chamber (5) to heat the liquid oxygen in the liquid oxygen heating chamber (7) into oxygen and the liquid hydrogen in the liquid hydrogen heating chamber (8) into hydrogen, and simultaneously, a large amount of energy is stored; the turbine (12) and the motor (9) drive the spray pipe rotating shaft to rotate, the spray pipe rotating shaft drives the movable round steel plate (11) to rotate, when two 15-radian symmetrical fan-shaped gaps of the movable round steel plate (11) are in butt joint with two fan-shaped gaps of the fixed round steel plate (10), the circulating valve is opened, and the metal net arranged on the 30-radian fan-shaped gap of the fixed round steel plate (10) can prevent hydrogen in the liquid hydrogen heating bin from being ignited; the rotating turbine (12) uniformly mixes the oxygen and hydrogen at high temperature and high pressure; the turbine (12) and the motor continue to drive the rotating shaft of the spray pipe to rotate, and the rotating shaft of the spray pipe drives the movable round steel plate (11) to rotate so as to close the circulating valve; high-pressure gas with the temperature of over 700 ℃ stored in the circulating chamber (5) passes through the heating pipe and is sprayed out from an outlet of the fixed round steel plate (10), mixed gas of hydrogen and oxygen in a spray pipe space below the movable round steel plate (11) is subjected to point explosion, high-temperature high-pressure gas generated by deflagration of the mixed gas of hydrogen and oxygen in the spray pipe space below the movable round steel plate (11) pushes the turbine (12) to rotate, and hot gas generated by deflagration passes through the catalytic combustion alloy net (13) to be subjected to secondary combustion; the mixed gas of hydrogen and oxygen is deflagrated in the space of the spray pipe (4) below the movable round steel plate (11) to generate 1000 ℃ gas, the gas passes through the heating pipe and enters the circulating bin (5) to heat the liquid oxygen in the liquid oxygen heating chamber (7) into oxygen and the liquid hydrogen in the liquid hydrogen heating chamber (8) into hydrogen, and meanwhile, a large amount of energy is stored to prepare for next deflagration of the hydrogen.
3. A high-frequency deflagration space engine, the binding type space rocket is composed of a main rocket and four auxiliary rockets, a launching bin is arranged in a main rocket arrow, a liquid oxygen bin is arranged in the rocket, a liquid oxygen turbine pump is arranged at the bottom of the liquid oxygen bin, a kerosene bin is arranged in the rocket, and a kerosene turbine pump is arranged at the bottom of the liquid hydrogen bin; the tail part of the rocket is provided with a rocket engine, the rocket engine is provided with a plurality of spray pipes, the spray pipes are in a horn shape, the horn mouth is downward, and an air plasma igniter is arranged outside the spray pipes; a circular pipe enters the spray pipe from the top of the spray pipe, a spray pipe rotating shaft penetrates through the circular pipe downwards, a turbine is arranged at the lower end of the spray pipe rotating shaft, a driving gear is arranged at the upper end of the spray pipe rotating shaft, the driving gears on the plurality of spray pipe rotating shafts are meshed with a central driven gear, a central rotating shaft is arranged on the central driven gear, a central pinion is arranged on the central rotating shaft and meshed with an output gear of a motor, and the central pinion drives a kerosene turbine pump and a liquid oxygen turbine pump to rotate through gear transmission; the central pinion drives a gear of the rotating speed sensor to rotate; the method is characterized in that: the top of the spray pipe (4) is provided with a circulating chamber (5), a combustor (6) is arranged outside the spray pipe (4), a plurality of kerosene nozzles of the combustor (6) are enclosed into a ring, and another air plasma igniter is arranged beside the kerosene nozzles; a fixed round steel plate (10) is arranged at the lower end of a middle circular tube of the spray pipe (4), the fixed round steel plate (10) is provided with two 15-radian symmetrical fan-shaped gaps, a space between the circulating chamber (5) and the fixed round steel plate (10) is divided into a liquid oxygen heating chamber (7) and a kerosene heating chamber (9) by two partition plates, a plurality of heating pipes are connected out of the circulating chamber (5) and sequentially pass through the liquid oxygen heating chamber (7) and the fixed round steel plate (10), and a plurality of heating pipes are connected out of the circulating chamber (5) and sequentially pass through the kerosene heating chamber (9) and the fixed round steel plate (10); one 15-radian fan-shaped notch of the fixed round steel plate (10) is an outlet of the liquid oxygen heating chamber (7), the other 15-radian fan-shaped notch of the fixed round steel plate (10) is an outlet of the kerosene heating chamber (9), and a metal net is arranged on the outlet of the kerosene heating chamber (9); a circular tube enters from the top of the spray pipe (4) and sequentially passes through the joint of the circulating chamber (5), the liquid oxygen heating chamber (7) and the kerosene heating chamber (9) and a central hole of the fixed round steel plate (10); an annular groove tightly attached to the fixed circular steel plate (10) is formed in the inner wall of the spray pipe (4) below the fixed circular steel plate (10), a movable circular steel plate (11) is installed in the annular groove, and the movable circular steel plate (11) is provided with two 15-radian symmetrical fan-shaped notches; the movable round steel plate (11) is fixed on a spray pipe rotating shaft above the turbine (12) below the round pipe; the movable round steel plate (11) is driven by the rotating shaft of the spray pipe to rotate to form a circulating valve with the fixed round steel plate (10); the nozzle of the spray pipe (4) below the turbine (12) is provided with a catalytic combustion alloy net (13); a pressure sensor and a temperature sensor are arranged on the wall of the spray pipe (4) below the movable round steel plate (11); one branch pipe from the liquid oxygen pump (14) is connected to an inlet of a liquid oxygen gasification chamber (17) through a first liquid oxygen electric regulating valve (15), one branch pipe from the liquid oxygen gasification chamber (17) is connected to a burner (6) through a first electric regulating oxygen valve (18), and the other branch pipe from the liquid oxygen gasification chamber (17) is connected to an inlet of a kerosene tee joint through a second electric regulating oxygen valve (19); a branch pipe from the kerosene pump (20) is connected to the other inlet of the kerosene tee joint through a first electric fuel regulating valve (21), and a pipeline from the kerosene tee joint is connected to a kerosene nozzle of the burner (6) through an electric fuel regulating valve (23); the other branch pipe from the kerosene pump (20) is connected to an inlet of a kerosene heating chamber (9) through a second electric adjusting kerosene valve (22), and the kerosene heating chamber (9) is provided with a pressure sensor and a temperature sensor; the other branch pipe from the liquid oxygen turbine pump (14) is connected to the liquid oxygen heating chamber (7) through a second liquid oxygen electric regulating valve (16), and the liquid oxygen heating chamber (7) is provided with a pressure sensor and a temperature sensor.
4. A control method of a high-frequency detonation aerospace engine is characterized by comprising the following steps: preheating: the motor drives each spray pipe rotating shaft to rotate, and the spray pipe rotating shafts drive the movable round steel plates (11) to rotate; the liquid oxygen turbine pump (14) is driven by the motor to rotate, the liquid oxygen turbine pump (14) pumps liquid oxygen from the liquid oxygen bin (1), a part of the liquid oxygen from the liquid oxygen turbine pump (14) enters the liquid oxygen gasification chamber (17) through the first liquid oxygen electric regulating valve (15), the liquid oxygen absorbs outdoor heat in the liquid oxygen gasification chamber (17) to become oxygen, a part of the oxygen from the liquid oxygen in the liquid oxygen gasification chamber (17) enters the combustor (6) through the first electric regulating oxygen valve (18), and the other part of the oxygen from the liquid oxygen in the liquid oxygen gasification chamber (17) enters the kerosene tee joint through the second electric regulating oxygen valve (19); the motor drives the kerosene turbine pump (20) to rotate, the kerosene turbine pump (20) pumps kerosene from the kerosene bin (2), a part of kerosene which comes out from the kerosene turbine pump (20) enters the kerosene tee joint through the first electric fuel regulating valve (21), is blown into the combustor (6) by oxygen through the electric fuel regulating valve (23), and is sprayed out from the kerosene nozzle of the combustor (6) to be ignited by air plasma flame; hot air from the combustor (6) enters the circulating chambers (5) of the spray pipes (4) through the respective one-way hot air valves (24); the other part of the liquid oxygen from the liquid oxygen turbine pump (14) enters the liquid oxygen heating chamber (7) through a second liquid oxygen electric regulating valve (16), and the liquid oxygen in the liquid oxygen heating chamber (7) is heated and gasified when hot air passes through a heating pipe in the liquid oxygen heating chamber (7); the other part of kerosene from the kerosene turbine pump (20) enters the kerosene heating chamber (9) through a second electric adjusting kerosene valve (22), and the kerosene in the kerosene heating chamber (9) is heated and gasified when hot air passes through a heating pipe in the kerosene heating chamber (9); the computer control instrument adjusts the second electric oil adjusting valve (22) according to the temperature and the pressure of the kerosene gas in the kerosene heating chamber (9); the computer controller adjusts a first electric adjusting oxygen valve (18), a second electric adjusting oxygen valve (19) and a first electric adjusting coal-saving valve (21) according to signals transmitted by a pressure sensor and a temperature sensor arranged in the liquid oxygen heating chamber (7) and signals transmitted by a pressure sensor and a temperature sensor arranged in the kerosene heating chamber (9); the movable round steel plate (11) rotates under the drive of the rotating shaft of the spray pipe to form a circulating valve with the fixed round steel plate (10), when two 15-radian symmetrical fan-shaped gaps of the movable round steel plate (11) are in butt joint with two 15-radian symmetrical fan-shaped gaps of the fixed round steel plate (10), the circulating valve is opened, oxygen comes out from an outlet of the liquid oxygen heating chamber (7), gasified kerosene comes out from an outlet of the kerosene heating chamber (9), and the rotating turbine (12) uniformly mixes the high-temperature high-pressure oxygen with the high-temperature kerosene fuel gas; the computer control instrument adjusts the rotation speed of the motor according to signals and requirements transmitted by a pressure sensor and a temperature sensor which are arranged on the wall of the spray pipe (4) below the movable round steel plate (11); the motor continues to drive the rotating shaft to rotate, and the rotating shaft drives the movable round steel plate (11) to rotate so as to close the circulating valve; the air plasma flame beside the spray pipe (4) explodes the high-temperature mixed gas of the gasified kerosene and the oxygen; the high-temperature high-pressure gas generated by deflagration of the mixed gas of gasified kerosene and oxygen in the space of the spray pipe 4 below the movable round steel plate (11) pushes a turbine (12) to rotate, and the deflagrated hot gas passes through a catalytic combustion alloy net (13) to be subjected to secondary combustion; after the preheating is finished, closing a first liquid oxygen electric regulating valve (15), a first electric regulating oxygen valve (18), a second electric regulating oxygen valve (19) and a first electric regulating oil valve (21); the mixed gas of gasified kerosene and oxygen is deflagrated in the space of the spray pipe (4) below the movable round steel plate (11) to generate 1000 ℃ gas, the gas passes through the heating pipe and enters the circulating chamber (5), the liquid oxygen in the liquid oxygen heating chamber (7) is heated into oxygen, the kerosene in the kerosene heating chamber (9) is heated and gasified, and the turbine (12) is pushed to rotate; the motor and the turbine (12) drive the spray pipe rotating shaft to rotate, the spray pipe rotating shaft drives the movable round steel plate (11) to rotate, when two 15-radian symmetrical fan-shaped gaps of the movable round steel plate (11) are in butt joint with two 15-radian symmetrical fan-shaped gaps of the fixed round steel plate (10), the circulating valve is opened, and high-temperature high-pressure oxygen in the liquid oxygen heating chamber (7) and high-temperature gasified kerosene in the kerosene heating chamber (9) are sprayed out from the circulating valve; the rotating turbine (12) uniformly mixes the high-temperature and high-pressure oxygen with the gasified kerosene; the motor and the turbine (12) continue to drive the rotating shaft of the spray pipe to rotate, and the rotating shaft of the spray pipe drives the movable round steel plate (11) to rotate so as to close the circulating valve; high-pressure gas with the temperature of over 700 ℃ stored in the circulating chamber (5) passes through the heating pipe and is ejected out of an outlet of the fixed round steel plate (10), mixed gas of gasified kerosene and oxygen in a spray pipe space below the movable round steel plate (11) is subjected to point explosion, high-temperature high-pressure gas generated by deflagration of the mixed gas of the gasified kerosene and the oxygen in a spray pipe (4) space below the movable round steel plate (11) pushes a turbine (12) to rotate, and deflagration hot gas passes through a catalytic combustion alloy net (13) to be subjected to secondary combustion; the mixed gas of gasified kerosene and oxygen is deflagrated in the space of the spray pipe (4) below the movable round steel plate (11) to generate 1000 ℃ gas, the gas passes through the heating pipe and enters the circulating chamber (5) to heat the liquid oxygen in the liquid oxygen heating chamber (7) into oxygen and heat and gasify the kerosene in the kerosene heating chamber (9), and simultaneously, a large amount of energy is stored to prepare for deflagration of the mixed gas of gasified kerosene and oxygen next time.
CN202010088356.0A 2019-03-29 2020-01-18 High-frequency detonation aerospace engine and control method Pending CN111058967A (en)

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