CN217029251U - Rapid compressor combustion cylinder platform for studying detonation experiment - Google Patents
Rapid compressor combustion cylinder platform for studying detonation experiment Download PDFInfo
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- CN217029251U CN217029251U CN202123242509.1U CN202123242509U CN217029251U CN 217029251 U CN217029251 U CN 217029251U CN 202123242509 U CN202123242509 U CN 202123242509U CN 217029251 U CN217029251 U CN 217029251U
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Abstract
The utility model discloses a rapid compressor combustion cylinder platform for studying a detonation experiment, which comprises a cylinder body front end cover, a cylinder body rear end cover, quartz glass, a cylinder body, a cylinder barrel, a piston, a hydraulic end cover and a temperature sensor shell. The combustion chamber cavity of the rapid compressor is improved, the ignition time is controlled, and then the ignition of different quantities of spark plugs and the influence of different ignition times of the spark plugs on a detonation experiment are explored. Aiming at the problems of temperature detection interval and air tightness caused by the manufacturing process of the temperature sensor, a shell model of the temperature sensor is designed in a matching way to solve the problems. Through carrying out a plurality of structural design optimization to the combustion cylinder platform, arranged the various types of sensors that the experiment needs to use in the radial circumference cross-section of combustion chamber cavity, guaranteed the structural stability of combustion cylinder when having improved the compact and the gas tightness of combustion cylinder structure.
Description
Technical Field
The utility model belongs to the field of design of a rapid compressor experiment platform, and relates to a rapid compressor combustion cylinder platform applied to a knock experiment.
Background
The internal combustion engine as a power machine brings great convenience to people and also brings serious environmental pollution problems. The problem of exhaustion of fossil energy is also a common problem in the world, and the development of renewable clean energy is a development trend in the world. Natural gas engines have energy efficiency similar to diesel engines, and exhaust emissions with few particulates and sulfides compared to diesel engines, but the increase in energy consumption and decrease in thermal efficiency of natural gas engines due to the nature of natural gas are key factors limiting their development. By optimizing the compression ratio and the ignition advance angle, the thermal efficiency of the engine can be improved, and the energy consumption can be reduced, but knocking can be caused. Studies have shown that knocking causes great damage to the engine, and therefore, it is important to suppress the occurrence of knocking while improving the thermal efficiency of the engine and reducing the energy consumption.
The rapid compressor has the advantages of simple structure and easy control, and can simulate the adiabatic compression process and the constant volume combustion process of the internal combustion engine. Therefore, the ignition system can be reasonably arranged by reforming a rapid compressor combustion cylinder platform, the ignition combustion working condition of the double-spark plug and the spark-assisted compression ignition combustion working condition can be controlled, and the method for inhibiting the detonation is explored.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rapid compressor combustion cylinder platform for researching a detonation experiment so as to solve the problems provided in the background.
The utility model provides a rapid compressor combustion cylinder platform for studying a detonation experiment, which comprises a cylinder body front end cover, a cylinder body rear end cover, quartz glass, a cylinder body, a cylinder barrel, a piston, a hydraulic end cover and a temperature sensor shell. The combustion chamber is characterized in that a combustion chamber cavity is machined in the cylinder body, a quartz glass positioning cavity is arranged on the front end face of the combustion chamber cavity, and a cylinder barrel positioning cavity is arranged on the rear end face of the combustion chamber cavity.
The diameter of the quartz glass positioning cavity, the diameter of the combustion chamber cavity and the inner diameter of the cylinder barrel are the same; the quartz glass positioning cavity, the combustion chamber cavity and the cylinder barrel are all cylindrical; the quartz glass positioning cavity, the combustion chamber cavity and the cylinder barrel are coaxially arranged.
Wherein the quartz glass is shaped as two coaxial cylinders with different diameters.
Quartz glass imbed in quartz glass location chamber, quartz glass rear end and cylinder body contact site open and have O type circle seal groove D, O type circle seal groove D in set up O type circle and form the sealed face of first layer, quartz glass and cylinder body between be provided with the gasket and form the sealed face of second layer, be provided with the gasket between quartz glass and the cylinder body front end housing and form the sealed face of third layer.
Wherein, the cylinder body front end cover and cylinder body have 8 circumference equipartition locating hole A.
The axial length of the combustion chamber cavity is smaller than the radial diameter, and the combustion chamber cavity is provided with a spark type cylinder pressure sensor mounting hole A, a spark type cylinder pressure sensor mounting hole B, a vibration sensor mounting hole A, a vibration sensor mounting hole B, a temperature sensor mounting hole, an air inlet and an air outlet on the radial circumferential cross section.
The axis of the spark type cylinder pressure sensor mounting hole A is perpendicular to the axis of the combustion chamber cavity.
And one vibration sensor mounting hole A is arranged at the position of the spark type cylinder pressure sensor mounting hole A along the radial circumferential cross section of the combustion chamber cavity in a clockwise rotation manner of 45 degrees, and the axis of the vibration sensor mounting hole A is vertical to the axis of the combustion chamber cavity.
And a temperature sensor mounting hole is arranged at the position of the vibration sensor mounting hole A and rotates clockwise by 45 degrees along the radial circumferential cross section of the combustion chamber cavity, and the axis of the temperature sensor mounting hole is vertical to the axis of the combustion chamber cavity.
Wherein, in the temperature sensor mounting hole, temperature sensor shell and temperature sensor are placed coaxially.
The outer diameter of the bottom of the temperature sensor shell is provided with an O-shaped ring sealing groove A and an O-shaped ring sealing groove B to form an external sealing surface. The inner diameter of the bottom of the temperature sensor shell is provided with an O-shaped ring sealing groove C to form an inner sealing ring, and the O-shaped ring sealing grooves A, B, C are uniformly distributed.
Wherein, at the position of the temperature sensor mounting hole, an exhaust hole is arranged along the radial circumferential cross section of the combustion chamber cavity by clockwise rotation of 45 degrees, and the axis of the exhaust hole is mutually vertical to the axis of the combustion chamber cavity.
And an air inlet hole is arranged at the position of the temperature sensor mounting hole and rotates clockwise 180 degrees along the radial circumferential cross section of the combustion chamber cavity, and the axis of the air inlet hole is vertical to the axis of the combustion chamber cavity.
And one spark type cylinder pressure sensor mounting hole B is symmetrically arranged at the position of the spark type cylinder pressure sensor mounting hole A.
And another vibration sensor mounting hole B is symmetrically arranged at the position of the vibration sensor mounting hole A.
Wherein, the radial circumferential cross section of the combustion chamber cavity is within 99-101mm from the front end surface of the cylinder body.
The cylinder positioning cavity is provided with a cylinder, and a gasket is arranged between the front end face of the cylinder and the cylinder body to form a first layer of sealing surface. A gasket is arranged between the rear end cover of the cylinder body and the cylinder body to form a second layer of sealing surface.
The inner diameter of the rear end cover of the cylinder body, the diameter of the cylinder positioning cavity and the outer diameter of the front end of the cylinder are the same and are coaxial cylinders.
Wherein, there are 6 locating holes B of circumference equipartition between cylinder body rear end cap and the cylinder body.
Wherein, the piston is arranged in the cylinder barrel coaxially.
The rear end of the cylinder barrel is connected with the hydraulic end cover.
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the utility model, the combustion chamber cavity of the rapid compressor is improved, the control of the ignition time can be realized by controlling the two opposite spark type cylinder pressure sensors through the single chip microcomputer, the control of the ignition combustion working condition of the double spark plugs and the spark-assisted compression ignition combustion working condition can be further realized, and the influence of the ignition of different numbers of spark plugs and the ignition time of different spark plugs on the detonation experiment can be further explored. Two vibration sensors are arranged on the cylinder body, and vibration signals can be collected through a collection card so as to detect the degree of knocking.
(2) Aiming at the problems of detection temperature interval and air tightness caused by the manufacturing process of the temperature sensor, the utility model designs a shell model of the temperature sensor in a matching way so as to solve the problems.
(3) According to the utility model, through carrying out a plurality of structural design optimization on the combustion cylinder platform, various sensors needed by experiments are arranged on the radial circumferential section of the combustion chamber cavity, so that the structural compactness and the air tightness of the combustion cylinder are improved, the structural stability of the combustion cylinder is ensured, and the sensor is prevented from causing excessive influence on a combustion area to the greatest extent.
Drawings
FIG. 1 is a block diagram of a combustion cylinder platform according to the present invention.
FIG. 2 is a cross-sectional view of the combustion cylinder platform of the present invention.
Fig. 3 is a radial circumferential cross-sectional view of a combustion chamber cavity of the present invention.
Fig. 4 is a schematic diagram of a temperature sensor according to the present invention.
Fig. 5 is a schematic view of a temperature sensor housing according to the present invention.
Description of the reference numerals:
1, a front end cover of a cylinder body; 2, a cylinder body; 3, a rear end cover of the cylinder body; 4, a cylinder barrel; 5, a hydraulic end cover; 6, positioning a hole A; 7 quartz glass; an 8O-shaped ring sealing groove D; 9 combustion chamber cavity; 10, positioning hole B; 11 a piston; 12 air inlet holes; 13 spark type cylinder pressure sensor mounting holes A; 14, mounting holes A of the vibration sensor; 15 temperature sensor mounting holes; 16 air exhaust holes; 17 spark type cylinder pressure sensor mounting holes B; 18 vibration sensor mounting hole B; 19 a temperature sensor; 20 a temperature sensor housing; 21O-ring sealing groove A; 22O-ring sealing groove B; the 23O-ring seals groove C.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the utility model provides a rapid compressor combustion cylinder platform for studying a knock experiment, which comprises a cylinder body front end cover 1, a cylinder body rear end cover 3, quartz glass 7, a cylinder body 2, a cylinder barrel 4, a piston 11, a hydraulic end cover 5 and a temperature sensor shell 20. The cylinder body 2 is a cylinder, 45 # steel is adopted as a material, the front end face and the rear end face of the cylinder body 2 are chamfered, the sharp-pointed parts of the front end cover 1 and the rear end cover 3 of the cylinder body are chamfered, abrasion between the cylinder body 2 and the front end cover 1 and between the cylinder body 3 and the rear end cover 3 of the cylinder body is prevented, meanwhile, the weight of a combustion cylinder platform is reduced, the cylinder body 2 is processed with a combustion chamber cavity 9, the front end face of the combustion chamber cavity 9 is provided with a quartz glass 7 positioning cavity, and the rear end face of the combustion chamber cavity 9 is provided with a cylinder barrel 4 positioning cavity. The diameter of the quartz glass 7 positioning cavity, the diameter of the combustion chamber cavity 9 and the inner diameter of the cylinder barrel 4 are the same; the quartz glass 7 positioning cavity, the combustion chamber cavity 9 and the cylinder barrel 4 are all cylindrical; the quartz glass 7 positioning cavity, the combustion chamber cavity 9 and the inner diameter of the cylinder barrel 4 are coaxially arranged. The quartz glass 7 is shaped as two coaxial cylinders of different diameters. Quartz glass 7 imbed in quartz glass 7 location chamber, quartz glass 7 rear end and cylinder body 2 contact site open and have O type circle seal groove D8, O type circle seal groove D8 in set up O type circle and form the sealed face of first layer, quartz glass 7 and cylinder body 2 between be provided with the gasket and form the sealed face of second layer, it forms the sealed face of third layer to be provided with the gasket between quartz glass 7 and the cylinder body front end housing 1. The possibility of air leakage is reduced by arranging three sealing surfaces, and meanwhile, the abrasion of the cylinder body 2 and the cylinder body front end cover 1 on the quartz glass 7 can be reduced as much as possible by arranging the gasket. The combustion conditions within the combustion chamber cavity 9 can be observed by using a high speed camera. The cylinder body front end cover 1 and the cylinder body 2 are provided with 8 positioning holes A6 which are evenly distributed on the circumference.
The axial length of the combustion chamber cavity 9 is smaller than the radial diameter, and the combustion chamber cavity 9 is provided with a spark type cylinder pressure sensor mounting hole A13, a spark type cylinder pressure sensor mounting hole B17, a vibration sensor mounting hole A14, a vibration sensor mounting hole B18, a temperature sensor mounting hole 15, an air inlet hole 12 and an air outlet hole 16 on the radial circumferential cross section. The axis of the spark type cylinder pressure sensor mounting hole A13 is perpendicular to the axis of the combustion chamber cavity 9. At the position of the spark type cylinder pressure sensor mounting hole A13, a vibration sensor mounting hole A14 is placed along the radial circumferential cross section of the combustion chamber cavity 9 by rotating 45 degrees clockwise, and the axis of the vibration sensor mounting hole A14 is perpendicular to the axis of the combustion chamber cavity 9. At the position of the vibration sensor mounting hole A14, a temperature sensor mounting hole 15 is arranged along the radial circumferential cross section of the combustion chamber cavity by rotating 45 degrees clockwise, and the axis of the temperature sensor mounting hole 15 is perpendicular to the axis of the combustion chamber cavity 9. In the temperature sensor mounting hole 15, a temperature sensor housing 20 and a temperature sensor 19 are coaxially disposed. The outer diameter of the bottom of the temperature sensor shell 20 is provided with an O-ring sealing groove A21 and an O-ring sealing groove B22 to form an outer sealing surface. The temperature sensor housing 20 has an O-ring seal groove C23 in the bottom inner diameter to form an inner seal ring. The O-shaped ring sealing grooves A21, B22 and C23 are uniformly distributed. At the position of the temperature sensor mounting hole 15, an exhaust hole 16 is arranged along the radial circumferential cross section of the combustion chamber cavity 9 by rotating 45 degrees clockwise, and the axis of the exhaust hole 16 is perpendicular to the axis of the combustion chamber cavity 9. At the position of the temperature sensor mounting hole 15, an air inlet hole 12 is arranged along the radial circumferential cross section of the combustion chamber cavity 9 by rotating 180 degrees clockwise, and the axis of the air inlet hole 12 is perpendicular to the axis of the combustion chamber cavity 9. And another spark type cylinder pressure sensor mounting hole B17 is symmetrically arranged at the position of the spark type cylinder pressure sensor mounting hole A13. And another vibration sensor mounting hole B18 is symmetrically arranged at the position of the vibration sensor mounting hole A14. The radial circumferential cross section of the combustion chamber cavity 9 is within 99-101mm from the front end surface of the cylinder body 2. Spark type cylinder pressure sensors are arranged in two opposite spark type cylinder pressure sensor mounting holes A13 and B17, and the spark type cylinder pressure sensors can control the ignition time through a single chip microcomputer, so that the ignition combustion working condition of double spark plugs and the spark-assisted compression ignition combustion working condition can be controlled, and the influence of the ignition of the spark plugs with different quantities and the ignition time of the spark plugs on a detonation experiment is further explored. The vibration sensors are arranged in two opposite vibration sensors A14 and B18, and vibration signals are collected through a collecting card, so that the degree of knocking is detected. In order to solve the problem of temperature range and air tightness caused by the manufacturing process of the temperature sensor 19, a temperature sensor jacket 20 is designed to solve the above problems and accurately detect the temperature change in the cylinder, and the air inlet 12 is connected to a magnetic premixing tank for injecting combustible gas into the combustion chamber to provide fuel for combustion. After a detonation experiment is completed, the exhaust port 16 firstly utilizes different pressure differences to remove waste gas in the cylinder, and then the vacuum pump is operated for multiple times to vacuumize the cylinder, so that the influence on the next experiment is reduced.
The rear end cover 11 of the cylinder body is arranged at the front end of the cylinder barrel 4, the hydraulic end cover 5 is arranged at the rear end of the cylinder barrel 4, the piston 11 is arranged in the cylinder barrel 4 and connected with a connecting rod, and the connecting rod is controlled by a hydraulic cylinder and a driving cylinder and is used for compressing combustible gas. The cylinder 4 location chamber set up a cylinder 4, cylinder 4 preceding terminal surface and cylinder body 2 between set up the gasket and form the first layer sealed face, set up the gasket and form the second layer sealed face between cylinder body rear end cover 3 and the cylinder body 2, reduce the possibility of gas leakage, prevent the wearing and tearing between cylinder body 2 and cylinder body rear end cover 3 and the cylinder 4 simultaneously, cylinder body rear end cover 3 and cylinder body 2 between have 6 circumference equipartition locating hole B10. The inner diameter of the rear end cover 3 of the cylinder body, the diameter of the positioning cavity of the cylinder barrel 4 and the outer diameter of the front end of the cylinder barrel 4 are the same and are coaxial cylinders. The piston 11 is coaxially arranged in the cylinder 4. The rear end of the cylinder barrel 4 is connected with a hydraulic end cover 5.
The equipment and the use notice of the combustion cylinder are as follows:
1. when the positioning hole A6 is used for positioning the cylinder body front end cover 1, the cylinder body 2 and the quartz glass 7, the uniform stress of the positioning hole A6 bolt is ensured, and the quartz glass 7 is prevented from being damaged due to nonuniform stress.
2. After the experiment, the cleaning cavity should be disassembled from the piston 11 side, so as to avoid the damage of the quartz glass 7 caused by disassembling the quartz glass 7.
3. Since the rapid compressor generates vibration when combustion is not generated, vibration signals of normal combustion and knocking combustion should be corrected by first testing vibration signals when combustion is not generated when the vibration sensors a14 and B18 are used.
Although the present invention has been described in connection with the accompanying drawings, the present invention is not limited to the above-described embodiments, which are intended to be illustrative rather than restrictive, and many modifications may be made by those skilled in the art without departing from the spirit of the present invention as disclosed in the appended claims.
Claims (8)
1. A rapid compressor combustion cylinder platform for studying detonation experiments comprises a cylinder body front end cover (1), a cylinder body rear end cover (3), quartz glass (7), a cylinder body (2), a cylinder barrel (4), a piston (11), a hydraulic end cover (5) and a temperature sensor shell (20); the combustion chamber is characterized in that a combustion chamber cavity (9) is processed on the cylinder body (2), a quartz glass (7) positioning cavity is arranged on the front end face of the combustion chamber cavity (9), and a cylinder barrel (4) positioning cavity is arranged on the rear end face of the combustion chamber cavity (9); the diameter of the quartz glass (7) positioning cavity, the diameter of the combustion chamber cavity (9) and the inner diameter of the cylinder barrel (4) are the same; the quartz glass (7) positioning cavity, the combustion chamber cavity (9) and the cylinder barrel (4) are all cylindrical; the quartz glass (7) positioning cavity, the combustion chamber cavity (9) and the cylinder barrel (4) are coaxially arranged; the shape of the quartz glass (7) is set as two coaxial cylinders with different diameters; the quartz glass (7) is embedded into the positioning cavity of the quartz glass (7), an O-shaped ring sealing groove D (8) is formed in the contact part of the rear end of the quartz glass (7) and the cylinder body (2), an O-shaped ring is arranged in the O-shaped ring sealing groove D (8) to form a first layer of sealing surface, a gasket is arranged between the quartz glass (7) and the cylinder body (2) to form a second layer of sealing surface, and a gasket is arranged between the quartz glass (7) and the front end cover (1) of the cylinder body to form a third layer of sealing surface; the front end cover (1) and the cylinder body (2) of the cylinder body are provided with 8 positioning holes A (6) which are uniformly distributed on the circumference;
a cylinder (4) is arranged in the positioning cavity of the cylinder (4), and a gasket is arranged between the front end surface of the cylinder (4) and the cylinder body (2) to form a first layer of sealing surface; a gasket is arranged between the cylinder body rear end cover (3) and the cylinder body (2) to form a second layer of sealing surface; the inner diameter of the rear end cover (3) of the cylinder body, the diameter of the positioning cavity of the cylinder barrel (4) and the outer diameter of the front end of the cylinder barrel (4) are the same and are coaxial cylinders; 6 positioning holes B (10) which are uniformly distributed on the circumference are formed between the cylinder body rear end cover (3) and the cylinder body (2); the piston (11) is coaxially arranged in the cylinder barrel (4); the rear end of the cylinder barrel (4) is connected with a hydraulic end cover (5);
the axial length of the combustion chamber cavity (9) is less than the radial diameter; the radial circumferential cross section of the combustion chamber cavity (9) is within 99-101mm from the front end surface of the cylinder body (2); a spark cylinder pressure sensor mounting hole A (13), a spark cylinder pressure sensor mounting hole B (17), a vibration sensor mounting hole A (14), a vibration sensor mounting hole B (18), a temperature sensor mounting hole (15), an air inlet hole (12) and an air outlet hole (16) are arranged on the radial circumferential cross section of the combustion chamber cavity (9).
2. The rapid compressor combustion cylinder platform for studying knock experiments as recited in claim 1, wherein the axis of spark type cylinder pressure sensor mounting hole a (13) is perpendicular to the axis of combustion chamber cavity (9).
3. The rapid compressor combustion cylinder platform for studying knock experiments as claimed in claim 1, wherein at the position of said spark type cylinder pressure sensor mounting hole a (13), a vibration sensor mounting hole a (14) is placed along the radial circumferential cross section of said combustion chamber cavity (9) with 45 ° clockwise rotation, and the axis of said vibration sensor mounting hole a (14) is perpendicular to the axis of said combustion chamber cavity (9).
4. The rapid compressor combustion cylinder platform for studying knock experiments as claimed in claim 1, wherein a temperature sensor mounting hole (15) is placed at the position of the vibration sensor mounting hole a (14) along the radial circumferential cross section of the combustion chamber cavity rotated by 45 ° clockwise, and the axis of the temperature sensor mounting hole (15) is perpendicular to the axis of the combustion chamber cavity (9).
5. The rapid compressor combustion cylinder platform for studying knock experiments as claimed in claim 1, wherein a temperature sensor housing (20) and a temperature sensor (19) are coaxially placed in the temperature sensor mounting hole (15); the outer diameter of the bottom of the temperature sensor shell (20) is provided with an O-shaped ring sealing groove A (21) and an O-shaped ring sealing groove B (22) to form an external sealing surface; an O-shaped ring sealing groove C (23) is formed in the inner diameter of the bottom of the temperature sensor shell (20) to form an inner sealing ring; the O-shaped ring sealing groove A (21), the O-shaped ring sealing groove B (22) and the O-shaped ring sealing groove C (23) are uniformly distributed.
6. A rapid compressor combustion cylinder platform for studying knock experiments according to claim 1 characterized in that at the location of the temperature sensor mounting hole (15), a vent hole (16) is placed along the radial circumferential cross section of the combustion chamber cavity (9) with 45 ° clockwise rotation, the axis of the vent hole (16) and the axis of the combustion chamber cavity (9) are perpendicular to each other.
7. The rapid compressor combustion cylinder platform for studying knock experiment as claimed in claim 1, wherein at the position of the temperature sensor mounting hole (15), an intake hole (12) is placed along the radial circumferential cross section of the combustion chamber cavity (9) rotated 180 ° clockwise, and the axis of the intake hole (12) and the axis of the combustion chamber cavity (9) are perpendicular to each other.
8. The rapid compressor combustion cylinder platform for researching knocking experiment as claimed in claim 1, characterized in that at the position of said spark type cylinder pressure sensor mounting hole a (13), a spark type cylinder pressure sensor mounting hole B (17) is symmetrically placed; and a vibration sensor mounting hole B (18) is symmetrically arranged at the position of the vibration sensor mounting hole A (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123242509.1U CN217029251U (en) | 2021-12-22 | 2021-12-22 | Rapid compressor combustion cylinder platform for studying detonation experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123242509.1U CN217029251U (en) | 2021-12-22 | 2021-12-22 | Rapid compressor combustion cylinder platform for studying detonation experiment |
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| Publication Number | Publication Date |
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| CN217029251U true CN217029251U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123242509.1U Active CN217029251U (en) | 2021-12-22 | 2021-12-22 | Rapid compressor combustion cylinder platform for studying detonation experiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117663193A (en) * | 2024-01-31 | 2024-03-08 | 西安交通大学 | Quick compressor combustion chamber pressure stabilizing device and method |
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2021
- 2021-12-22 CN CN202123242509.1U patent/CN217029251U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117663193A (en) * | 2024-01-31 | 2024-03-08 | 西安交通大学 | Quick compressor combustion chamber pressure stabilizing device and method |
| CN117663193B (en) * | 2024-01-31 | 2024-05-07 | 西安交通大学 | Quick compressor combustion chamber pressure stabilizing device and method |
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