CN110702292A - Engine test bed air inlet thrust measuring device and using method - Google Patents
Engine test bed air inlet thrust measuring device and using method Download PDFInfo
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- CN110702292A CN110702292A CN201911189178.4A CN201911189178A CN110702292A CN 110702292 A CN110702292 A CN 110702292A CN 201911189178 A CN201911189178 A CN 201911189178A CN 110702292 A CN110702292 A CN 110702292A
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000004088 simulation Methods 0.000 claims abstract description 69
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 38
- 239000001301 oxygen Substances 0.000 claims abstract description 38
- 238000005259 measurement Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims description 40
- 239000000446 fuel Substances 0.000 claims description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 29
- 230000001105 regulatory effect Effects 0.000 claims description 23
- 239000003921 oil Substances 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 2
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/13—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the tractive or propulsive power of vehicles
- G01L5/133—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the tractive or propulsive power of vehicles for measuring thrust of propulsive devices, e.g. of propellers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0038—Force sensors associated with force applying means applying a pushing force
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Ocean & Marine Engineering (AREA)
- Testing Of Engines (AREA)
Abstract
An air inlet thrust measuring device of an engine test bed comprises an air inlet system, an engine thrust measuring rack and a simulation cabin; the engine thrust measuring rack is fixedly arranged in the simulation cabin, and the tested engine is arranged on the engine thrust measuring rack; the air intake system is communicated with the tested engine. According to the engine test bed air inlet thrust measuring device and the using method thereof, the air inlet system adopts the mode that the total air inlet pressure and the oxygen content are firstly adjusted, then the total air inlet temperature is adjusted, then the total air inlet pressure is finely adjusted, oil supply and ignition are carried out, the adjusting speed is high, the air inlet simulation adjusting time of the test bed engine is saved, the test cost is reduced, and energy waste is avoided. In addition, the engine thrust measuring bench realizes measurement of the engine thrust and has a simple structure.
Description
Technical Field
The invention relates to the technical field of engine tests, in particular to an air inlet thrust measuring device of an engine test bed and a using method thereof.
Background
The engine test and test technology is an important component of the solid propulsion technology, the aircraft engine needs to be subjected to a simulation test on the ground before test flight, a group of air inlet parameters including total air inlet pressure, air inlet flow rate, air inlet oxygen content, total air inlet temperature and oil supply quantity of the engine are called as air inlet state points during the engine test, and the performance and the parameters of the aircraft engine are recorded or the performance of the aircraft engine is checked after the set value and the stability are reached. With the gradual maturity of engines, the application of engines is gradually widened, on the basis, when the engine is used for engines of airplanes, particularly unmanned planes and engine ground tests, an engine air inlet system needs to simulate the air inlet state of the engine, the existing engine test bed technology has no mature technology for engine air inlet simulation, and meanwhile, an accurate theoretical judgment method is not available when the simulation state reaches a stable state, so that the test simulation effect is poor, the test period is long, the cost is high, and the resource waste condition is serious.
In addition, the thrust measurement is an important parameter to be measured in engine tests and tests. To study engine thrust, numerous trial and error tests are required, which are not possible if all are put into flight tests. The main reasons are high flight test cost, long period, small information yield, risk and large manpower consumption. The engine ground test is to perform static test on the system according to specific conditions and environmental requirements on the ground to obtain various performance index information describing the system so as to solve the key problem in the engine thrust test process.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the air inlet thrust measuring device of the engine test bed and the using method thereof are provided.
The technical solution of the invention is as follows: an air inlet thrust measuring device of an engine test bed comprises an air inlet system, an engine thrust measuring rack and a simulation cabin; the engine thrust measuring rack is fixedly arranged in the simulation cabin, and the tested engine is arranged on the engine thrust measuring rack; the air intake system is communicated with the tested engine.
A method of measuring engine thrust using the engine test stand inlet air thrust measurement simulation engine inlet air parameters of claim, comprising the steps of:
s100), installing the tested engine and measuring section
S110), sequentially enabling a measuring section for measuring air inlet parameters of the engine to pass through a first measuring section bracket and a second measuring section bracket, and placing the measuring section in the first measuring section bracket and the second measuring section bracket;
s120), mounting the front joint and the rear joint on an engine mounting top frame according to the suspension position of the tested engine;
s130), mounting the engine to be tested on the front joint and the rear joint after mounting the engine mounting frame on the movable frame body;
s140), adjusting the measuring section, namely, after one end of the measuring section is connected with an air inlet of the tested engine, adjusting a bracket of the measuring section to enable the measuring section and the air inlet of the engine to be coaxial and then positioning the measuring section;
s200), disassembling and locking device
Loosening the fastening nut, pulling out the fastening screw from the vertical plate of the rear mounting seat, fastening the baffle plate and the baffle plate at the rear end of the movable frame body in sequence, and taking out the fastening baffle plate;
s300), determining the error of the working force sensor
S310), the industrial personal computer controls the servo motor to start to drive the hydraulic loading device to work, the hydraulic loading device drives the calibration oil cylinder to work, a piston of the calibration oil cylinder drives the standard force sensor to displace so as to drive the movable frame body to displace, and force is applied to the working force sensor in the process that the movable frame body displaces;
s320), the hydraulic loading device drives the calibration oil cylinder to work, and after loading force is continuously applied to the standard force sensor to a preset value, the loading force is unloaded to a zero value; the standard force sensor data acquisition device and the working force sensor data acquisition device respectively acquire force values output by the standard force sensor and the working force sensor in the loading force applying and unloading processes and feed the force values back to the industrial personal computer, and the display displays the force values output by the standard force sensor and the working force sensor in the loading force applying and unloading processes, wherein the force values are acquired by the standard force sensor data acquisition device and the working force sensor data acquisition device;
s330), drawing characteristic curve graphs of the standard force sensor and the working force sensor according to force values output by the standard force sensor and the working force sensor in the loading force applying and unloading processes, wherein the standard force sensor and the working force sensor are displayed by a display and acquired by the standard force sensor data acquisition device and the working force sensor data acquisition device; under the same loading force, the difference between the force value output by the working force sensor acquired by the working force sensor data acquisition device and the force value output by the standard force sensor acquired by the standard force sensor data acquisition device is the working force sensor error;
s400), simulating engine air inlet parameters
S410), adjusting an engine air inlet supply pressure adjusting valve and an oxygen supply flow adjusting valve according to the air inlet total pressure and the oxygen content of the simulation state point, so that the total pressure and the oxygen content of the second medium passing through the outlet of the measuring section are the same as the air inlet total pressure and the oxygen content of the engine of the simulation state point;
s420), adjusting an alcohol supply flow regulating valve according to the total intake temperature of the simulation state point, starting an igniter, igniting alcohol to combust the alcohol, exchanging heat between the combusted alcohol and a second medium of a second medium channel in a first medium channel, and enabling the total temperature of the second medium passing through an outlet of a measuring section to be the same as the total intake temperature of an engine in the simulation state point;
s430), adjusting an engine air inlet supply pressure adjusting valve according to the air inlet total pressure of the simulation state point, so that the total pressure of the second medium passing through the outlet of the measuring section is the same as the air inlet total pressure of the engine of the simulation state point;
s500), state point simulation test and measurement of thrust of tested engine under state point
And adjusting the engine fuel supply flow regulating valve according to the fuel demand of the engine simulation state point to ensure that the fuel supplied by the fuel supply source is the same as the fuel demand of the engine simulation state point, igniting the engine, carrying out an air intake simulation test of the simulation state point, and displaying the force value output by the working force sensor acquired by the working force sensor data acquisition device by the display.
Compared with the prior art, the invention has the advantages that:
1. according to the engine test bed air inlet thrust measuring device and the using method thereof, the air inlet system adopts the mode that the total air inlet pressure and the oxygen content are firstly adjusted, then the total air inlet temperature is adjusted, then the total air inlet pressure is finely adjusted, oil supply and ignition are carried out, the adjusting speed is high, the air inlet simulation adjusting time of the test bed engine is saved, the test cost is reduced, and energy waste is avoided.
2. According to the air inlet thrust measuring device for the engine test bed and the using method thereof, the air inlet system simulates the air inlet flow and the total air inlet pressure of the engine through the air inlet supply source of the engine, meanwhile, oxygen supplement is performed on the air inlet of the engine through the oxygen supply source, and the air inlet temperature of the engine is simulated through the temperature simulation unit, so that the real simulation of the air inlet of the engine is realized, and the simulation precision is high.
3. According to the air inlet thrust measuring device for the engine test bed and the using method of the air inlet thrust measuring device, the air inlet system is provided with the alcohol supply source, alcohol is ignited by the igniter to generate heat, and the heat exchanges heat with the air inlet of the engine in the temperature simulation unit, so that the adjustment of the air inlet temperature of the engine is realized.
4. According to the air inlet thrust measuring device for the engine test bed and the using method thereof, the air inlet system is provided with various valves, so that the flow and the pressure of related supply sources can be adjusted, and further the simulation of multiple state points is realized.
5. According to the air inlet thrust measuring device of the engine test bed and the using method thereof, the engine thrust measuring rack realizes the measurement of the engine thrust, and the structure is simple.
6. The engine thrust measuring rack of the engine test bed air inlet thrust measuring device and the using method thereof skillfully hangs the movable rack on the fixed rack through the spring piece and is assisted with the force sensor to measure the thrust of the engine, thereby being simple and easy.
7. According to the air inlet thrust measuring device of the engine test bed and the using method thereof, the engine thrust measuring rack is internally provided with the measuring section bracket to ensure that the measuring section for measuring the air inlet parameters of the tested engine is coaxial with the engine, so that the air inlet simulation precision of the engine is ensured, and the air inlet parameter measuring precision of the engine is improved.
8. According to the air inlet thrust measuring device of the engine test bed and the using method thereof, the overall rigidity of the movable frame is higher in the engine thrust measuring rack, stress elements are reasonably distributed on the design in order to ensure the dynamic performance of the test frame, the principle of equal strength of the structure is adopted, the stress-free parts of materials are removed, and the like, so that the mass of the movable frame is reduced.
9. According to the air inlet thrust measuring device of the engine test bed and the using method thereof, the horizontal base is arranged on the fixed frame in the engine thrust measuring rack, so that the bearing capacity of the whole fixed frame is improved.
10. According to the air inlet thrust measuring device and the using method thereof for the engine test bed, the engine thrust measuring rack is provided with the locking state, so that the movable rack and the fixed rack are kept in the fixed state when the engine is in an untested state or is installed before testing, the service life of the engine thrust measuring rack is prolonged, the situation that irreversible external force is applied to the spring piece or even the spring piece is damaged when the engine and related testing pieces are installed in the movable rack in a self-existing state (the locking state is not used) is avoided, and the precision of the engine thrust measuring rack is ensured.
11. According to the air inlet thrust measuring device of the engine test bed and the using method thereof, the gantry type engine mounting frame is adopted in the engine thrust measuring rack, the engine is suspended, the measuring precision of the engine thrust is improved, the positions of the front joint and the rear joint are adjustable, the application range of the engine mounting frame is greatly improved, and the problem that one engine is provided with one engine mounting frame in the prior art is solved.
12. The invention relates to an air inlet thrust measuring device of an engine test bed and a using method thereof.A standard force sensor is adopted to carry out error determination and static calibration on a working force sensor in an engine thrust measuring rack, so that a group of high-precision known 'simulated thrust' is generated to carry out calibration on a force measuring system.
13. According to the engine test bed air inlet thrust measuring device and the using method thereof, the engine thrust measuring rack is calibrated and drawn with the characteristic curve graphs of the standard force sensor and the working force sensor, the force value output by the working force sensor can accurately determine the true value of the force through the characteristic curve graphs, the calibration of the working force sensor in each test is avoided, the cost is low, and the efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of an engine test bed intake thrust measurement device of the invention.
Fig. 2 is a front view of the structure of an engine thrust measuring rack in the engine test stand air intake thrust measuring device of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Fig. 5 is a top view of the structure of an engine thrust measuring rack in the intake thrust measuring device of the engine test stand of the present invention.
Fig. 6 is an enlarged view of the portion C of fig. 5.
Fig. 7 is a schematic structural diagram of a measurement section bracket of an engine thrust measurement bench in the engine test bench air intake thrust measurement device of the invention.
Fig. 8 is an enlarged view of a portion D in fig. 7.
Fig. 9 is an enlarged view of a portion E of fig. 7.
Fig. 10 is a front view of an engine mount of an engine thrust measuring stand in the intake thrust measuring device of the engine test stand according to the present invention.
Fig. 11 is a structural side view of an engine mounting bracket of an engine thrust measuring stand in the engine test stand intake thrust measuring device of the present invention.
Fig. 12 is a schematic structural view of an engine mounting upper frame of an engine thrust measuring stand in the engine test stand intake thrust measuring device of the present invention.
Fig. 13 is a schematic diagram illustrating the principle of calibration of the force sensor of the engine thrust measuring stand in the intake thrust measuring device of the engine test stand according to the present invention.
Fig. 14 is a partial structural schematic diagram of a temperature simulation unit of an air intake system in the engine test stand intake thrust measurement device of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "abutted" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The pressure, total pressure, static pressure, dynamic pressure, temperature, total temperature, static temperature and dynamic temperature related to the invention are the same as those of the air inlet system of the engine test bed in the prior application of the applicant (application number: CN201811164305.0, the name of the invention is: the air inlet system of the engine test bed), in addition, the air inlet system related to the invention is provided with a temperature sensor and a pressure sensor in the inlet and the outlet of the first medium channel, the inlet and the outlet of the second medium channel, the inlet and the outlet of the measuring section and the measuring section in the second medium channel, and the temperature sensor and the pressure sensor are both arranged facing the air flow direction and are used for measuring the total pressure and the total temperature of the section of the sensor.
A test bed for an engine multi-state point simulation test is disclosed, wherein an air inlet thrust measuring device comprises an air inlet system, an engine thrust measuring rack and a simulation cabin 900; the engine thrust measuring rack is fixedly arranged in the simulation cabin 900, and the tested engine 1 is arranged on the engine thrust measuring rack; the exhaust system is in communication with the engine under test 1. In the multi-state points of the engine, the parameters of each state point comprise total intake pressure, air flow, oxygen content, total intake temperature and oil supply quantity of the engine.
The intake system includes a supply source and a temperature simulation unit 60.
The supply sources include a fuel supply source 10, an oxygen supply source 20, an engine intake air supply source 30, and an alcohol supply source 40.
The temperature simulation unit comprises a pipe body 61 and a shell 62, wherein the pipe body 61 is positioned inside the shell 62, a first medium channel is formed in the pipe body 61, and a second medium channel is formed in a space between the outer wall of the pipe body 61 and the inner wall of the shell 62; when the temperature simulation unit 60 works, a first medium flows through the first medium channel, a second medium flows through the second medium channel, the temperature of the first medium is higher than that of the second medium, and the first medium and the second medium realize heat exchange through the pipe wall of the pipe body 61, wherein the specific structure and the specific connection mode of the temperature simulation unit 60 refer to the prior application of the applicant (application number: CN201811164300.8, invention name: an air inlet system of an engine test bed).
The fuel oil supply source 10 is communicated with the tested engine 1 through a pipeline, the oxygen supply source 20 and the engine air inlet supply source 30 are respectively communicated with an inlet of a second medium channel through pipelines, an outlet of the second medium channel is communicated with an inlet of a measuring section 401 through a pipeline, and an outlet of the measuring section 401 is fixedly communicated with an air suction port of the tested engine 1 to provide simulated engine air inlet flow, total air inlet pressure and oxygen content for the tested engine 1; the alcohol supply source 40 is communicated with the inlet of the first medium channel through a pipeline after passing through the igniter, the outlet of the first medium channel is communicated with the outside, the igniter ignites alcohol to burn to generate heat, and the heat is exchanged with the second medium in the second medium channel in the temperature simulation unit 60 to adjust the temperature of the second medium in the second medium channel, so that the intake temperature simulation of the engine is realized.
An engine fuel supply flow regulating valve 51 is arranged on a pipeline for communicating the fuel supply source 10 with the tested engine 1, an oxygen supply flow regulating valve 53 is arranged on a pipeline for communicating the oxygen supply source 20 with the inlet of the second medium channel, an engine intake air supply pressure regulating valve 55 is arranged on a pipeline for communicating the engine intake air supply source 30 with the inlet of the second medium channel, and an alcohol supply flow regulating valve 56 is arranged on a pipeline for communicating the alcohol supply source 40 with the inlet of the first medium channel so as to realize parameter regulation of each supply source and meet the simulation of multi-state points.
Preferably, the intake system includes an engine fuel supply cutoff valve 52, an oxygen supply cutoff valve 54, and an alcohol supply cutoff valve 57, the engine fuel supply cutoff valve 52 being provided on a pipeline that communicates the fuel supply source 10 with the engine under test 1; the oxygen supply shutoff valve 54 is provided on a line that communicates the oxygen supply source 20 with the inlet of the second medium passage; the alcohol supply shut-off valve 57 is provided on a pipe line that communicates the alcohol supply source 40 with the inlet of the first medium passage. During the use of the intake system, the engine fuel supply shutoff valve 52 is opened before the engine fuel supply flow rate regulating valve 51 is opened, the oxygen supply shutoff valve 54 is opened before the oxygen supply flow rate regulating valve 53 is opened, and the alcohol supply shutoff valve 57 is opened before the alcohol supply flow rate regulating valve 56 is opened; the engine fuel supply shutoff valve 52 is closed after the engine fuel supply flow rate regulating valve 51 is closed, the oxygen supply shutoff valve 54 is closed after the oxygen supply flow rate regulating valve 53 is closed, and the alcohol supply shutoff valve 57 is closed after the alcohol supply flow rate regulating valve 56 is closed, so that the safety of the intake system in a non-experimental state is ensured.
The engine thrust measuring rack comprises a fixed rack 100, a movable rack 200 and a loading measuring device; the loading measuring device comprises a spring piece, a loading mechanism 330 and a working force sensor 350; the movable frame 200 is suspended on the fixed frame 100 through the spring plate, the loading mechanism 330 is fixedly mounted on the fixed frame 100, and two ends of the working force sensor 350 are respectively connected with the fixed frame 100 and the movable frame 200.
The fixed frame comprises a base 110, a front mounting seat 120, a loading mechanism mounting seat 130, a first fixed frame spring piece mounting seat 140, a fixed frame working force sensor mounting seat 150, a rear mounting seat 160 and a second fixed frame spring piece mounting seat 170; the base 110 is of a cuboid structure, the front mounting seat 120 and the rear mounting seat 160 are respectively and fixedly mounted at the front end and the rear end of the base 110 along the length direction of the base 110, the rear mounting seat 160 comprises a transverse plate and a vertical plate, and the transverse plate and the vertical plate form an L shape; the loading mechanism mounting seat 130 is fixedly mounted on the front mounting seat 120, the first fixed frame spring leaf mounting seat 140 includes a first right fixed frame spring leaf mounting seat 141 and a first left fixed frame spring leaf mounting seat 142, and the first right fixed frame spring leaf mounting seat 141 and the first left fixed frame spring leaf mounting seat 142 are fixedly mounted at the front end of the base 110 and are respectively located on two sides of the front mounting seat 120; the fixed frame working force sensor mounting seat 150 is fixedly mounted on the base 110 and is positioned on a central line along the length direction of the base 110; the second fixed frame spring piece mounting seat 170 includes a second right fixed frame spring piece mounting seat 171 and a second left fixed frame spring piece mounting seat 172, and the second right fixed frame spring piece mounting seat 171 and the second left fixed frame spring piece mounting seat 172 are fixedly mounted at the rear end of the base 110 and respectively located at two sides of the rear mounting seat 160.
The movable frame 200 comprises a movable frame body 210, a first movable frame spring piece mounting seat 220, a movable frame working force sensor mounting seat 230, a second movable frame spring piece mounting seat 240 and a movable frame standard force sensor mounting seat 250, wherein the movable frame body 210 comprises a right movable frame body 211, a left movable frame body 212 and a movable frame connecting plate 260, the right movable frame body 211 and the left movable frame body 212 are identical in structure, both of which are cuboid structures and are parallel to the base 110, the central line of the right movable frame body 211 and the left movable frame body 212 in the length direction is parallel to the central line of the base 110 in the length direction, the right movable frame body 211 and the left movable frame body 212 are symmetrically arranged relative to the central line of the base 110 in the length direction, the number of the movable frame connecting plates 260 is multiple, and the right movable frame body 211 and the left movable frame body 212 are fixedly connected by the plurality of the movable frame connecting plates 260; along the length direction of the movable frame body 210, a movable frame standard force sensor mounting seat 250 is fixedly mounted on the bottom surface of the front end of the movable frame body 210; the first moving frame spring piece mounting seat 220 comprises a first right moving frame spring piece mounting seat and a first left moving frame spring piece mounting seat, and the first right moving frame spring piece mounting seat and the first left moving frame spring piece mounting seat are respectively fixedly mounted on the bottom surfaces of the front ends of the right moving frame body 211 and the left moving frame body 212 and are respectively positioned on two sides of the moving frame standard force sensor mounting seat 250; the movable frame working force sensor mounting base 230 is fixedly mounted at the bottom of one movable frame connecting plate 260 of the movable frame body 210 and is located on a central line along the length direction of the movable frame body 210; the second moving frame spring piece mounting seat 240 comprises a second right moving frame spring piece mounting seat and a second left moving frame spring piece mounting seat, and the second right moving frame spring piece mounting seat and the second left moving frame spring piece mounting seat are fixedly mounted on the bottom surfaces of the rear ends of the right moving frame body 211 and the left moving frame body 212 respectively.
The loading measuring device comprises a first spring plate 310, a second spring plate 320, a loading mechanism 330, a standard force sensor 340 and a working force sensor 350; the first spring piece 310 comprises a first right spring piece 311 and a first left spring piece 312, two ends of the first right spring piece 311 are respectively and fixedly connected with a first right fixed frame spring piece mounting seat 141 and a first right movable frame spring piece mounting seat, and two ends of the first left spring piece 312 are respectively and fixedly connected with a first left fixed frame spring piece mounting seat 142 and a first left movable frame spring piece mounting seat; the second spring piece 320 comprises a second right spring piece 321 and a second left spring piece 322, two ends of the second right spring piece 321 are fixedly connected with the second right fixed frame spring piece mounting seat 171 and the second right movable frame spring piece mounting seat respectively, and two ends of the second left spring piece 322 are fixedly connected with the second left fixed frame spring piece mounting seat 172 and the second left movable frame spring piece mounting seat respectively; the loading mechanism 330 is fixedly mounted on a transverse plate of the front mounting seat 120, the standard force sensor 340 is fixedly mounted on a baffle plate at the front end of the movable frame body 210, and the loading mechanism 330 and the standard force sensor 340 are coaxially arranged and are parallel to the central line of the base 110 along the length direction; two ends of the working force sensor 350 are respectively and fixedly connected with the fixed frame working force sensor mounting seat 150 and the movable frame working force sensor mounting seat 230, and the working force sensor 350, the loading mechanism 330 and the standard force sensor 340 are coaxially arranged; the loading mechanism 330 comprises a servo motor, a motor power supply, a hydraulic loading device and a calibration oil cylinder, wherein the motor power supply is electrically connected with the servo motor, the servo motor is sequentially connected with the hydraulic loading device and the calibration oil cylinder, and a piston of the calibration oil cylinder is connected with a standard force sensor.
The engine thrust measuring rack comprises a measuring section bracket for supporting a measuring section, the measuring section bracket comprises a first measuring section bracket 410 and a second measuring section bracket 420 which are coaxially arranged, and the first measuring section bracket 410 and the second measuring section bracket 420 have the same structure and are both fixedly arranged on the top surface of the movable rack body 210; the measuring section bracket comprises a measuring section bracket 411, a measuring section bracket lower ring 412, a measuring section bracket upper ring 413, a measuring section bracket positioning mechanism 414 and a locking device 415; the bottom surface of the measurement section bracket 411 is fixedly connected with the top surface of the movable frame body 210, the measurement section bracket lower ring 412 and the measurement section bracket upper ring 413 are both of a semicircular structure, and the measurement section bracket lower ring 412 and the measurement section bracket upper ring 413 are connected to form a circle; the measuring section bracket lower ring 412 and the measuring section bracket 411 are integrally formed; the number of the measurement section bracket positioning mechanisms 414 is 3, the structures of the measurement section bracket positioning mechanisms are the same, and the measurement sections are used for positioning and measuring intake parameters of the tested engine 1; the 3 measuring section bracket positioning mechanisms 414 are uniformly distributed along the radial direction of a circle formed by connecting the measuring section bracket lower ring 412 and the measuring section bracket upper ring 413, wherein one measuring section bracket positioning mechanism 414 is arranged at the top of the measuring section bracket upper ring 413, and the rest 2 measuring section bracket positioning mechanisms 414 are arranged on the measuring section bracket lower ring 412; the measuring section bracket positioning mechanism 414 comprises a positioning mechanism nut 4141, a positioning mechanism locking nut 4142 and a positioning mechanism screw 4143, the positioning mechanism screw 4143 passes through the measuring section bracket lower ring 412 or the measuring section bracket upper ring 413, the positioning mechanism locking nut 4142 is sleeved on the positioning mechanism screw 4143, is arranged on the outer side of the measuring section bracket lower ring 412 or the measuring section bracket upper ring 413 and is abutted against the measuring section bracket lower ring 412 or the measuring section bracket upper ring 413 and is used for locking the positioning mechanism screw 4143, and the positioning mechanism nut 4141 is sleeved on the positioning mechanism screw 4143 and is abutted against the positioning mechanism locking nut 4142; the number of the locking devices 415 is 2, and the structures of the locking devices are the same, and the locking devices 415 are used for fixedly connecting the lower ring 412 of the measurement section bracket and the upper ring 413 of the measurement section bracket, 2 locking devices 415 are arranged at the connecting ends of the lower ring 412 of the measurement section bracket and the upper ring 413 of the measurement section bracket, the locking device 415 includes an upper locking plate 4151, a lower locking plate 4152, a locking bolt 4153 and a locking nut 4154, the upper locking plate 4151 is fixedly attached to the front end surface of the upper ring 413 of the measurement section bracket, the lower surface of the upper locking plate 4151 coincides with the lower surface of the upper ring 413 of the measurement section bracket, the lower locking plate 4152 is fixedly attached to the front end surface of the measuring section bracket lower ring 412, the upper surface of the lower lock plate 4152 coincides with the upper surface of the measuring section bracket lower ring 412, the locking bolt 4153 passes through the lower and upper locking plates 4152 and 4151 in sequence, the lock nut 4154 is engaged with the lock bolt 4153 and abuts against the upper lock plate 4151.
The engine thrust measuring rack comprises a locking device, the locking device comprises a fastening screw rod 510, a fastening baffle 520 and a fastening nut 530, the fastening screw rod 510 sequentially penetrates through a rear end baffle of the movable rack body 210, the fastening baffle 520, a vertical plate and a fastening nut 530 of the rear mounting seat 160, the fastening nut 530 is matched with the fastening screw rod 510, and the fastening baffle 520 and the fastening nut 530 are both abutted to the vertical plate of the rear mounting seat 160.
The engine thrust measuring rack comprises an engine mounting rack 600, wherein the engine mounting rack 600 comprises an engine mounting top rack 610, a left upright column 620 and a right upright column 630 which are identical in structure, a front joint 640, a rear joint 650 and a lifting lug 660; the bottom surfaces of the left upright post 620 and the right upright post 630 are detachably connected with the movable frame 200; the engine mounting top frame 610 is fixedly connected with the top surfaces of the left upright column 620 and the right upright column 630 to form a gantry type, the front joint 640 and the rear joint 650 are detachably mounted on the engine mounting top frame 610, and the lifting lug 660 is fixedly connected with the engine mounting top frame 610; the engine mounting top frame 610 comprises a front beam 611, a rear beam 612 and a longitudinal beam 613, wherein the front beam 611 and the rear beam 612 are arranged in parallel and are fixedly connected with the longitudinal beam 613, the rear beam 612 is fixedly connected with one end of the longitudinal beam 613, and the front beam 611, the rear beam 612 and the longitudinal beam 613 form a shape like the Chinese character 'tu'; the longitudinal beam 613 is provided with a mounting hole 614 for mounting a front joint 640 and a rear joint 650; the left upright post 620 comprises a front post 621, a rear post 622 and upright post connecting rods 623, wherein the front post 621 and the rear post 622 are arranged in parallel and are fixedly connected through the upright post connecting rods 623.
The engine thrust measurement rack comprises a force sensor calibration device, and the force sensor calibration device comprises an industrial personal computer, a display, a standard force sensor data acquisition device and a working force sensor data acquisition device; the industrial personal computer is respectively electrically connected with the display and the servo motor, the standard force sensor data acquisition device is respectively electrically connected with the standard force sensor and the industrial personal computer, and the working force sensor data acquisition device is respectively electrically connected with the working force sensor and the industrial personal computer.
The method for measuring the thrust of the engine by using the intake thrust measuring device of the engine test bed to simulate the intake parameters of the engine comprises the following steps:
s100), installing the engine 1 under test and the measurement section 401
S110), sequentially enabling a measuring section 401 for measuring engine air intake parameters to pass through a first measuring section bracket 410 and a second measuring section bracket 420, and placing the measuring section in the first measuring section bracket 410 and the second measuring section bracket 420;
s120), mounting the front joint 640 and the rear joint 650 to the longitudinal beam 613 according to the suspension position of the engine 1 under test;
s130), mounting the engine mounting frame 600 on the movable frame body 210, and then mounting the tested engine 1 on the front joint 640 and the rear joint 650;
s140) adjusting the measuring section, connecting one end of the measuring section with the air inlet of the tested engine 1, adjusting a positioning mechanism screw 4143 in the measuring section bracket positioning mechanism 414, enabling the measuring section and the engine air inlet to be coaxial, and then sequentially rotating a positioning mechanism locking nut 4142 and a positioning mechanism nut 4141 in the measuring section bracket positioning mechanism 414.
S200), disassembling and locking device
The fastening nut 530 is loosened, the fastening screw 510 is pulled out from the vertical plate of the rear mounting seat 160, the fastening baffle 520 and the baffle at the rear end of the movable frame body 210 in sequence, and then the fastening baffle 520 is taken out.
S300), determining the error of the working force sensor
S310), the industrial personal computer controls the servo motor to start to drive the hydraulic loading device to work, the hydraulic loading device drives the calibration oil cylinder to work, a piston of the calibration oil cylinder drives the standard force sensor 340 to displace so as to drive the movable frame body 210 to displace, and force is applied to the working force sensor 350 in the displacement process of the movable frame body 210;
s320), the hydraulic loading device drives the calibration oil cylinder to work, and the loading force is unloaded to a zero value after the loading force is continuously applied to the standard force sensor 340 to a preset value; the standard force sensor data acquisition device and the working force sensor data acquisition device respectively acquire force values output by the standard force sensor 340 and the working force sensor 350 in the loading force applying and unloading processes and feed back the force values to the industrial personal computer, and the display displays the force values output by the standard force sensor 340 and the working force sensor 350 in the loading force applying and unloading processes, which are acquired by the standard force sensor data acquisition device and the working force sensor data acquisition device;
s330), drawing characteristic curve graphs of the standard force sensor 340 and the working force sensor 350 according to force values output by the standard force sensor 340 and the working force sensor 350 in the process of applying loading force and unloading loading force, wherein the force values are displayed by a display and acquired by the standard force sensor data acquisition device and the working force sensor data acquisition device; under the same loading force, the difference between the force value output by the working force sensor 350 acquired by the working force sensor data acquisition device and the force value output by the standard force sensor 340 acquired by the standard force sensor data acquisition device is the working force sensor error.
S400), simulating engine intake parameters (the specific simulation method is referred to the applicant prior application: application No.: CN201811164300.8, inventive name: air inlet system of engine test bed
S410), adjusting an engine intake air supply pressure adjusting valve and an oxygen supply flow adjusting valve according to the intake air total pressure and the oxygen content of the first simulation state point, so that the total pressure and the oxygen content of the second medium passing through the outlet of the measuring section are the same as the intake air total pressure and the oxygen content of the engine of the first simulation state point.
S420), adjusting an alcohol supply flow regulating valve according to the total intake temperature of the first simulation state point, starting an igniter, igniting alcohol to combust the alcohol, exchanging heat between the combusted alcohol and a second medium in a first medium channel and a second medium in a second medium channel, and enabling the total temperature of the second medium passing through an outlet of the measuring section to be the same as the total intake temperature of the engine at the first simulation state point.
S430), adjusting an engine intake air supply pressure adjusting valve according to the intake total pressure of the first simulation state point, so that the total pressure of the second medium passing through the outlet of the measuring section is the same as the intake total pressure of the engine at the first simulation state point.
S500), simulating test of first state point and measuring thrust of tested engine under the state point
And adjusting the engine fuel supply flow regulating valve according to the fuel demand of the first simulation state point of the engine, so that the fuel supplied by the fuel supply source is the same as the fuel demand of the first simulation state point of the engine, igniting the engine, performing an air intake simulation test of the first simulation state point, and displaying the force value output by the working force sensor 350, which is acquired by the working force sensor data acquisition device, by the display.
S600), simulation test of the Nth state point and measurement of thrust of the tested engine under the state point
Respectively adjusting an oxygen supply flow regulating valve, an engine air inlet supply pressure regulating valve, an alcohol supply flow regulating valve and an engine fuel supply flow regulating valve to ensure that the total pressure, the total temperature and the oxygen content of the second medium at the outlet of the measuring section are the same as the total pressure, the total temperature and the oxygen content of the inlet air of the N analog state point engine, and the fuel supplied by a fuel supply source is the same as the fuel demand of the N analog state point engine; wherein N is more than or equal to 2; starting an N state point air inlet simulation test of the engine to the state point air inlet simulation test and measuring the thrust measurement of the tested engine at the state point according to the method of the step S500.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The air inlet thrust measuring device of the engine test bed is characterized by comprising an air inlet system, an engine thrust measuring rack and a simulation cabin; the engine thrust measuring rack is fixedly arranged in the simulation cabin, and the tested engine is arranged on the engine thrust measuring rack; the air intake system is communicated with the tested engine.
2. The engine test stand inlet air thrust measuring device of claim 1, characterized in that: the air inlet system comprises a supply source and a temperature simulation unit; the supply sources include a fuel supply source, an oxygen supply source, an engine intake air supply source, and an alcohol supply source.
3. The engine test stand inlet air thrust measuring device of claim 2, characterized in that: the temperature simulation unit comprises a pipe body and a shell, the pipe body is positioned in the shell, a first medium channel is arranged in the pipe body, and a second medium channel is formed in a space between the outer wall of the pipe body and the inner wall of the shell; the fuel oil supply source is communicated with a tested engine through a pipeline, the oxygen supply source and the engine air inlet supply source are respectively communicated with an inlet of a second medium channel through a pipeline, an outlet of the second medium channel is communicated with an inlet of a straight section such as an inlet of a measuring section through a pipeline, a supersonic expansion section of the measuring section is communicated with an air inlet of the tested engine through a pipeline, the alcohol supply source is communicated with an inlet of a first medium channel through a pipeline after passing through an igniter, and an outlet of the first medium channel is communicated with the outside.
4. The engine test stand inlet air thrust measurement device of claim 3, wherein:
an engine fuel supply flow regulating valve and an engine fuel supply stop valve are arranged on a pipeline for communicating the fuel supply source with the tested engine;
an oxygen supply flow regulating valve and an oxygen supply stop valve are arranged on a pipeline for communicating the oxygen supply source with the inlet of the second medium channel;
and an engine air inlet supply pressure regulating valve is arranged on a pipeline for communicating the engine air inlet supply source with the inlet of the second medium channel.
5. The engine test stand inlet air thrust measuring device of claim 1, characterized in that: the engine thrust measuring rack comprises a fixed rack, a movable rack and a loading measuring device; the loading measuring device comprises a spring piece, a loading mechanism and a working force sensor; the movable frame is hung on the fixed frame through the spring piece, the loading mechanism is fixedly installed on the fixed frame, and two ends of the working force sensor are respectively connected with the fixed frame and the movable frame.
6. The engine test stand inlet air thrust measurement device of claim 5, wherein: the movable frame comprises a movable frame body, a first movable frame spring piece mounting seat, a movable frame working force sensor mounting seat, a second movable frame spring piece mounting seat and a movable frame standard force sensor mounting seat; the movable frame standard force sensor mounting seat is fixedly mounted on the bottom surface of the front end of the movable frame body along the length direction of the movable frame body; the first movable frame spring piece mounting seat comprises 2 fixed mounting seats which are fixedly mounted on the bottom surface of the front end of the movable frame body and are respectively positioned on two sides of the movable frame standard force sensor mounting seat; the movable frame working force sensor mounting seat is fixedly mounted at the bottom of the movable frame body and is positioned on a central line along the length direction of the movable frame body; the second movable frame spring piece mounting seat comprises 2 spring pieces which are respectively fixedly mounted on the bottom surface of the rear end of the movable frame body.
7. The engine test stand inlet air thrust measurement device of claim 6, wherein:
the fixed frame comprises a base, a front mounting seat, a loading mechanism mounting seat, a first fixed frame spring piece mounting seat, a fixed frame working force sensor mounting seat, a rear mounting seat and a second fixed frame spring piece mounting seat; the base is of a cuboid structure, the front mounting seat and the rear mounting seat are fixedly mounted at the front end and the rear end of the base respectively along the length direction of the base, the rear mounting seat comprises a transverse plate and a vertical plate, and the transverse plate and the vertical plate form an L shape; the loading mechanism mounting seats are fixedly mounted on the front mounting seat, the number of the first fixing frame spring piece mounting seats is 2, and the first fixing frame spring piece mounting seats are fixedly mounted at the front end of the base and are respectively positioned on two sides of the front mounting seat; the fixed frame working force sensor mounting seat is fixedly arranged on the base and is positioned on a central line along the length direction of the base; the second fixed frame spring piece mounting seat comprises 2 spring pieces which are fixedly mounted at the rear end of the base and are respectively positioned on two sides of the rear mounting seat.
8. The engine test stand inlet air thrust measurement device of claim 7, wherein: the loading measuring device comprises a first spring piece, a second spring piece, a loading mechanism, a standard force sensor and a working force sensor; the number of the first spring pieces is 2, each first spring piece is fixedly connected with a first fixed frame spring piece mounting seat and a first movable frame spring piece mounting seat, the number of the second spring pieces is 2, and two ends of each second spring piece are fixedly connected with a second fixed frame spring piece mounting seat and a second movable frame spring piece mounting seat respectively; the loading mechanism is fixedly arranged on a transverse plate of the front mounting seat, the standard force sensor is fixedly arranged on a baffle plate at the front end of the movable frame body, and the loading mechanism and the standard force sensor are coaxially arranged and are parallel to the central line of the base along the length direction; the two ends of the working force sensor are respectively and fixedly connected with the fixed frame working force sensor mounting seat and the movable frame working force sensor mounting seat, and the working force sensor, the loading mechanism and the standard force sensor are coaxially arranged.
9. The engine test stand inlet air thrust measurement device of claim 5, wherein: the loading mechanism comprises a servo motor, a motor power supply, a hydraulic loading device and a calibration oil cylinder, wherein the motor power supply is electrically connected with the servo motor, the servo motor is sequentially connected with the hydraulic loading device and the calibration oil cylinder, and a piston of the calibration oil cylinder is connected with a standard force sensor.
10. A method for measuring engine thrust using engine test stand inlet air thrust measurement simulation engine inlet air parameters according to any of claims 1-9, comprising the steps of:
s100), installing the tested engine and measuring section
S110), sequentially enabling a measuring section for measuring air inlet parameters of the engine to pass through a first measuring section bracket and a second measuring section bracket, and placing the measuring section in the first measuring section bracket and the second measuring section bracket;
s120), mounting the front joint and the rear joint on an engine mounting top frame according to the suspension position of the tested engine;
s130), mounting the engine to be tested on the front joint and the rear joint after mounting the engine mounting frame on the movable frame body;
s140), adjusting the measuring section, namely, after one end of the measuring section is connected with an air inlet of the tested engine, adjusting a bracket of the measuring section to enable the measuring section and the air inlet of the engine to be coaxial and then positioning the measuring section;
s200), disassembling and locking device
Loosening the fastening nut, pulling out the fastening screw from the vertical plate of the rear mounting seat, fastening the baffle plate and the baffle plate at the rear end of the movable frame body in sequence, and taking out the fastening baffle plate;
s300), determining the error of the working force sensor
S310), the industrial personal computer controls the servo motor to start to drive the hydraulic loading device to work, the hydraulic loading device drives the calibration oil cylinder to work, a piston of the calibration oil cylinder drives the standard force sensor to displace so as to drive the movable frame body to displace, and force is applied to the working force sensor in the process that the movable frame body displaces;
s320), the hydraulic loading device drives the calibration oil cylinder to work, and after loading force is continuously applied to the standard force sensor to a preset value, the loading force is unloaded to a zero value; the standard force sensor data acquisition device and the working force sensor data acquisition device respectively acquire force values output by the standard force sensor and the working force sensor in the loading force applying and unloading processes and feed the force values back to the industrial personal computer, and the display displays the force values output by the standard force sensor and the working force sensor in the loading force applying and unloading processes, wherein the force values are acquired by the standard force sensor data acquisition device and the working force sensor data acquisition device;
s330), drawing characteristic curve graphs of the standard force sensor and the working force sensor according to force values output by the standard force sensor and the working force sensor in the loading force applying and unloading processes, wherein the standard force sensor and the working force sensor are displayed by a display and acquired by the standard force sensor data acquisition device and the working force sensor data acquisition device; under the same loading force, the difference between the force value output by the working force sensor acquired by the working force sensor data acquisition device and the force value output by the standard force sensor acquired by the standard force sensor data acquisition device is the working force sensor error;
s400), simulating engine air inlet parameters
S410), adjusting an engine air inlet supply pressure adjusting valve and an oxygen supply flow adjusting valve according to the air inlet total pressure and the oxygen content of the simulation state point, so that the total pressure and the oxygen content of the second medium passing through the outlet of the measuring section are the same as the air inlet total pressure and the oxygen content of the engine of the simulation state point;
s420), adjusting an alcohol supply flow regulating valve according to the total intake temperature of the simulation state point, starting an igniter, igniting alcohol to combust the alcohol, exchanging heat between the combusted alcohol and a second medium of a second medium channel in a first medium channel, and enabling the total temperature of the second medium passing through an outlet of a measuring section to be the same as the total intake temperature of an engine in the simulation state point;
s430), adjusting an engine air inlet supply pressure adjusting valve according to the air inlet total pressure of the simulation state point, so that the total pressure of the second medium passing through the outlet of the measuring section is the same as the air inlet total pressure of the engine of the simulation state point;
s500), state point simulation test and measurement of thrust of tested engine under state point
And adjusting the engine fuel supply flow regulating valve according to the fuel demand of the engine simulation state point to ensure that the fuel supplied by the fuel supply source is the same as the fuel demand of the engine simulation state point, igniting the engine, carrying out an air intake simulation test of the simulation state point, and displaying the force value output by the working force sensor acquired by the working force sensor data acquisition device by the display.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218661A (en) * | 2021-04-07 | 2021-08-06 | 上海新力动力设备研究所 | Cold air thrust testing device for attitude and orbit control engine |
| CN113945387A (en) * | 2021-09-19 | 2022-01-18 | 中国航空工业集团公司西安飞机设计研究所 | Ground pulley test method for forward-launch-emission system |
| CN115014621A (en) * | 2022-05-26 | 2022-09-06 | 北京大学 | Thrust measuring device for ground test of continuous detonation engine |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA699165A (en) * | 1964-12-01 | E. Weekley Edward | Engine test benches | |
| CN103616112A (en) * | 2013-12-17 | 2014-03-05 | 北京航天益森风洞工程技术有限公司 | Self-calibration thrust measurement device for engine test bench |
| CN105043625A (en) * | 2015-06-29 | 2015-11-11 | 西安航天动力测控技术研究所 | Thrust measuring device applied to solid propellant ramjet free-jet test |
| CN206056861U (en) * | 2016-08-23 | 2017-03-29 | 苏州长菱测试技术有限公司 | A kind of thrust measurement calibrating installation of aircraft engine test stand frame |
| RU2614900C1 (en) * | 2015-11-20 | 2017-03-30 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" | Power measuring stand system for testing aircraft engines |
| CN109282989A (en) * | 2018-10-05 | 2019-01-29 | 北京航天三发高科技有限公司 | A kind of supersonic speed engine testsand gas handling system |
| CN109357873A (en) * | 2018-10-05 | 2019-02-19 | 北京航天三发高科技有限公司 | A kind of application method and engine multimode intake simulation test method of heat exchanger |
| RU2697588C1 (en) * | 2018-10-25 | 2019-08-15 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" | Test method of gas turbine engine in attitude climatic test bench |
| CN110220712A (en) * | 2019-06-24 | 2019-09-10 | 西北工业大学 | A kind of rocket engine propulsion test device |
| CN110702293A (en) * | 2019-11-28 | 2020-01-17 | 北京航天三发高科技有限公司 | Supersonic engine test bed air inlet thrust measuring device and using method |
| CN210802752U (en) * | 2019-11-28 | 2020-06-19 | 北京航天三发高科技有限公司 | Supersonic engine test bench air inlet thrust measuring device |
| CN210802753U (en) * | 2019-11-28 | 2020-06-19 | 北京航天三发高科技有限公司 | Engine test bed air inlet thrust measuring device |
-
2019
- 2019-11-28 CN CN201911189178.4A patent/CN110702292B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA699165A (en) * | 1964-12-01 | E. Weekley Edward | Engine test benches | |
| CN103616112A (en) * | 2013-12-17 | 2014-03-05 | 北京航天益森风洞工程技术有限公司 | Self-calibration thrust measurement device for engine test bench |
| CN105043625A (en) * | 2015-06-29 | 2015-11-11 | 西安航天动力测控技术研究所 | Thrust measuring device applied to solid propellant ramjet free-jet test |
| RU2614900C1 (en) * | 2015-11-20 | 2017-03-30 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" | Power measuring stand system for testing aircraft engines |
| CN206056861U (en) * | 2016-08-23 | 2017-03-29 | 苏州长菱测试技术有限公司 | A kind of thrust measurement calibrating installation of aircraft engine test stand frame |
| CN109282989A (en) * | 2018-10-05 | 2019-01-29 | 北京航天三发高科技有限公司 | A kind of supersonic speed engine testsand gas handling system |
| CN109357873A (en) * | 2018-10-05 | 2019-02-19 | 北京航天三发高科技有限公司 | A kind of application method and engine multimode intake simulation test method of heat exchanger |
| RU2697588C1 (en) * | 2018-10-25 | 2019-08-15 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" | Test method of gas turbine engine in attitude climatic test bench |
| CN110220712A (en) * | 2019-06-24 | 2019-09-10 | 西北工业大学 | A kind of rocket engine propulsion test device |
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