CN110455859B - Sweating cooling test system and method based on oxyacetylene platform - Google Patents
Sweating cooling test system and method based on oxyacetylene platform Download PDFInfo
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- CN110455859B CN110455859B CN201910854564.4A CN201910854564A CN110455859B CN 110455859 B CN110455859 B CN 110455859B CN 201910854564 A CN201910854564 A CN 201910854564A CN 110455859 B CN110455859 B CN 110455859B
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- 238000012360 testing method Methods 0.000 title claims abstract description 138
- 238000001816 cooling Methods 0.000 title claims abstract description 108
- 230000035900 sweating Effects 0.000 title claims abstract description 92
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims description 5
- 239000002826 coolant Substances 0.000 claims abstract description 57
- 239000000498 cooling water Substances 0.000 claims abstract description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 9
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 9
- 210000004243 sweat Anatomy 0.000 claims description 8
- 238000003384 imaging method Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 238000011160 research Methods 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 2
- 208000008454 Hyperhidrosis Diseases 0.000 description 65
- 238000010998 test method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 208000013460 sweaty Diseases 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
Abstract
The invention discloses a sweating cooling test system and a testing method based on an oxyacetylene platform, which belong to the technical field of aerospace thermal protection and comprise a sweating cooling test piece, an oxyacetylene flame generating device, a coolant adjusting device, a heat flow sensor, an infrared temperature measuring device, a panel control system and the like. The oxyacetylene flame generating device is used for generating high-temperature flame outside the sweating cooling test piece, the coolant adjusting device is arranged outside the sweating cooling test piece and used for providing coolant with certain flow for the sweating cooling test piece, the heat flow sensor is used for accurately calibrating the oxyacetylene flame, and the infrared temperature measuring device is used for measuring the surface temperature of the sweating cooling test piece. The test system is simple to operate and easy to build, is convenient for teaching experiments and scientific researches, can obtain the relation between the changed high-temperature flame heat flow, cooling water flow and the surface temperature of the test piece, and solves the problem that the surface temperature of the sweating cooling test piece is too high in the prior art.
Description
Technical Field
The invention relates to an oxyacetylene platform-based sweating and cooling test system and a test method, and belongs to the technical field of aerospace thermal protection.
Background
In the field of aerospace, severe aerodynamic thermal loads borne by supersonic aircraft may cause changes in the shape of the aircraft surface, even reducing the structural strength and rigidity of the aircraft, affecting the normal flight of the aircraft. It is therefore important to provide a thermal protection system that eliminates the adverse effects of aerodynamic thermal loads, which is also one of the key technologies for the development of near-space vehicles. At present, the development of an ablation heat-proof system is mature, but the ablation heat-proof system has certain limitations in the aspects of keeping the aerodynamic shape of an aircraft stable, improving the striking accuracy and the like, and the defect of the system can be overcome by a sweating cooling mode. The sweating cooling mode has the characteristic of repeated use, and has great development potential in a heat protection system. However, no sweating cooling test system based on an oxyacetylene platform for accurately calibrating flame has been developed in the prior art. In addition, in the sweating cooling test system, how to reduce the surface temperature of the sweating cooling test piece under the constant heat flow environment to an acceptable range is a technical problem which needs to be solved at present.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a test system and a test method for sweating and cooling based on an oxyacetylene platform.
The invention relates to a sweating cooling test system based on an oxyacetylene platform, which comprises the following components: the device comprises a coolant adjusting device, a heat flow sensor, an oxyacetylene flame generating device, a sweating cooling test piece, an infrared temperature measuring device and a panel control system, wherein the oxyacetylene flame generating device is used for generating high-temperature flame outside the sweating cooling test piece; the heat flow sensor is arranged outside the oxyacetylene flame generating device and used for calibrating the flame heat flow of the oxyacetylene flame generating device, and the coolant adjusting device is arranged outside the sweating cooling test piece and used for providing a certain flow of coolant for the sweating cooling test piece; the infrared temperature measuring device is used for measuring the surface temperature of the sweating cooling test piece in the test process; the panel control system is respectively connected with the oxyacetylene flame generating device, the coolant adjusting device, the heat flow sensor and the infrared temperature measuring device through wires.
And processing the sweating cooling material test piece according to the requirement. When the sample is prepared, a cooling water pipeline is arranged on the back of the sample according to the experimental requirement, a coolant adjusting device is connected, a panel control system switch is turned on, and a display screen displays normal; the switch of the oxyacetylene flame generating device is turned on, and the output potential of the heat flow sensor is in direct proportion to the flame heat flow, so that the flame heat flow is accurately calibrated by collecting the output voltage of the heat flow sensor. After the heat flow is stabilized, the sweaty cooling test piece is moved into a high-temperature flame. And recording output values of the heat flow, the infrared temperature measuring device and the coolant flow. The flow control sweating and cooling test piece surface temperature of the coolant is regulated by the coolant regulating device, so that the change relation of the sweating and cooling test piece surface temperature of the unused material along with the heat flow is tested, and the defect that no sweating and cooling test platform for accurately calibrating flame based on an oxyacetylene platform exists at present is overcome.
Further, the system also comprises a cooling water circulation device, wherein the cooling water circulation device is arranged outside the sweating cooling test piece and the heat flow sensor and is used for cooling treatment.
Further, the system also comprises an automatic focusing imaging device, and the automatic focusing imaging device is connected with the panel control system.
Further, the inner surface of the sweating cooling test piece is provided with a temperature sensor and a pressure sensor, and the temperature sensor and the pressure sensor are connected with a panel control system.
Further, the oxyacetylene flame generating device comprises a first digital flowmeter, an oxygen bottle, a second digital flowmeter, an acetylene bottle and an oxyacetylene flame generator; the oxygen cylinder and the acetylene cylinder are connected to the oxyacetylene flame generator through gas pipelines; a first digital flowmeter is arranged between the oxygen bottle and the oxyacetylene flame generator, and a second digital flowmeter is arranged between the acetylene bottle and the oxyacetylene flame generator.
Further, the coolant adjusting device comprises a coolant tank, a digital metering pump and a first pipeline, wherein the coolant is injected into the interior of the sweating cooling test piece through the first pipeline, and the digital metering pump is used for adjusting and controlling the injection flow of the coolant.
Further, a test piece support is arranged below the sweating cooling test piece, and a guide rail is arranged below the test piece support and used for moving the sweating cooling test piece.
Further, the cooling water circulation device comprises a second pipeline, a water pump and a cooling water tank, and the heat flow sensor and the test piece support are cooled through the cooling water circulation device.
The sweat cooling test method based on the sweat cooling test system provided by the invention comprises the following steps of:
S1: after preparing a sweating cooling test piece according to test requirements, installing a first pipeline, a second pipeline, a temperature sensor and a pressure sensor on the back surface of the sweating cooling test piece;
S2: installing a sweating cooling test piece on a test piece support, and connecting a coolant adjusting device, a temperature sensor, a pressure sensor, a cooling water circulating device and an automatic focusing imaging instrument;
S3: opening a switch of the panel control system until the display screen displays normally; the heat flow sensor and the switch of the oxyacetylene flame generating device are turned on, and the flame heat flow size is accurately calibrated through the heat flow sensor; after the constant heat flow is stable, slowly moving the test piece into high-temperature flame along the guide rail; measuring the temperature of the surface of the sweating cooling test piece by an infrared temperature measuring device;
S4: recording output values of a heat flow sensor, a temperature sensor, a pressure sensor, an infrared temperature measuring device and coolant flow;
S5: continuously adjusting the flow of the coolant through a coolant adjusting device until the surface temperature of the sweating cooling test piece is constant, and ending the test; when the instrument is closed, firstly, the oxyacetylene flame generating device and the heat flow sensor are closed, and after the detection and the arrangement are correct, the coolant adjusting device, the cooling water circulating device, the temperature sensor, the pressure sensor, the infrared temperature measuring device and the panel control system are closed;
S6: and (5) processing the experimental parameters recorded in the step (S5) to obtain the change relation of the surface temperature of the high-temperature flame heat flow and the sweating cooling test piece.
Compared with the prior art, the invention has the following beneficial effects:
According to the sweating and cooling test system and the testing method based on the oxyacetylene platform, the temperature of the surface of the sweating and cooling test piece is controlled by adjusting the flow of cooling water, and the temperature of the surface of the sweating and cooling test piece can be reduced to be within an acceptable range in a constant heat flow environment, so that the blank of the sweating and cooling test platform based on the oxyacetylene platform for accurately calibrating flame in the prior art is filled; the test system can test the change of the temperature and the heat flow of the sweating and cooling test piece of different materials; the test system is simple to operate and easy to build, and is convenient for teaching experiments and scientific researches; the test system is close to the real external environment of the aircraft, and can obtain the relationship between the changed high-temperature flame heat flow, cooling water flow and the surface temperature of the test piece.
Drawings
The invention has the following drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a graph showing the temperature measurement results of the test method of the present invention under certain conditions;
FIG. 3 is a graph showing the temperature measurement results of the test method of the present invention under another condition.
In the figure: 1-a coolant conditioning device; 101-a coolant tank; 102-a digital metering pump; 103-a first pipe; 2-a cooling water circulation device; 201-a second conduit; 202-a water pump; 203-a cooling water tank; 3-a temperature sensor; 4-a test piece bracket; 5-a guide rail; 6-a heat flow sensor; 7-oxyacetylene flame generating device; 701-a first digital flowmeter; 702-an oxygen cylinder; 703-a second digital flowmeter; 704-acetylene cylinder; 705-oxyacetylene flame generator; 8-an autofocus imager; 9-sweating and cooling the test piece; 10-a pressure sensor; 11-an infrared temperature measuring device; 12-panel control system.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1:
As shown in fig. 1, the sweating cooling test system based on the oxyacetylene platform comprises a coolant adjusting device 1, a cooling water circulating device 2, a temperature sensor 3, a test piece bracket 4, a guide rail 5, a heat flow sensor 6, an oxyacetylene flame generating device 7, an automatic focusing imager 8, a sweating cooling test piece 9, a pressure sensor 10, an infrared temperature measuring device 11 and a panel control system 12;
The oxyacetylene flame generating device 7 is used for generating high-temperature flame outside the sweating cooling test piece 9; the coolant adjusting device 1 is arranged outside the sweating cooling test piece 9 and is used for adjusting and controlling the coolant injected into the sweating cooling test piece 9; the cooling water circulation device 2 is arranged outside the sweating cooling test piece 9 and the heat flow sensor 6 and is used for cooling treatment; the heat flow sensor 6 is opposite to the oxyacetylene flame generating device 7 and is used for accurately calibrating oxyacetylene flame;
the infrared temperature measuring device 11 is used for measuring the surface temperature of the sweating cooling test piece 9; the automatic focusing imager 8 is used for collecting image information; the surface of the sweating cooling test piece 9 is provided with a temperature sensor 3 and a pressure sensor 10;
The oxyacetylene flame generating device 7 comprises a first digital flowmeter 701, an oxygen cylinder 702, a second digital flowmeter 703, an acetylene cylinder 704 and an oxyacetylene flame generator 705; oxygen cylinder 702 and acetylene cylinder 704 are coupled to oxyacetylene flame generator 705 by gas tubing; a first digital flowmeter 701 is arranged between the oxygen bottle 702 and the oxyacetylene flame generator 705, and a second digital flowmeter 703 is arranged between the acetylene bottle 704 and the oxyacetylene flame generator 705;
The coolant regulating device 1 comprises a coolant tank 101, a digital metering pump 102 and a first conduit 103; coolant is injected into the interior of the sweating cooling test piece 9 through the first pipeline 103, and the digital metering pump 102 is used for regulating and controlling injection pressure;
the cooling water circulation device 2 comprises a second pipeline 201, a water pump 202 and a cooling water tank 203, and the cooling water circulation device 2 is used for cooling the heat flow sensor 6 and the test piece bracket 4;
On the basis of the technical scheme, a test piece support 4 is arranged below the sweating cooling test piece 9, and a guide rail 5 is arranged below the test piece support 4 and is used for moving the sweating cooling test piece 9;
on the basis of the technical scheme, the coolant adjusting device 1, the temperature sensor 3, the heat flow sensor 6, the oxyacetylene flame generating device 7, the automatic focusing imager 8, the pressure sensor 10 and the infrared temperature measuring device 11 are all connected to the panel control system 12 through wires for information acquisition.
The working principle of the embodiment is as follows: during operation, according to experimental requirements, a cooling water pipeline, a temperature sensor 3 and a pressure sensor 10 are arranged on the back of a sweating cooling test piece 9, then the sweating cooling test piece 9 is arranged on a test piece support 4, a coolant adjusting device 1, the temperature sensor 3, the pressure sensor 10, a cooling water circulating device 2 and an automatic focusing imager 8 are connected, a panel control system 12 switch is turned on, and a display screen displays normally; the switch of the heat flow sensor 6 is turned on, the flame heat flow size is accurately calibrated through the heat flow sensor 6, and after the heat flow is stable, the sweating cooling test piece 9 is slowly moved into the high-temperature flame through the guide rail 5. The output values of the heat flow, the temperature sensor 3 and the pressure sensor 10, the infrared temperature measuring device 11 and the coolant flow are recorded. The flow rate of the coolant is continuously regulated by the coolant regulating device 1 until the surface temperature of the sweating cooling test piece 9 is constant, and the test is ended. When the instrument is closed, the oxyacetylene flame generating device 7 and the heat flow sensor 6 are firstly closed, after the inspection and the arrangement are correct, the coolant adjusting device 1, the infrared temperature measuring device 11, the pressure sensor 10, the temperature sensor 3, the cooling water circulating device 2 and the panel control system 12 are then closed. And processing the recorded experimental parameters to obtain the change relation of the surface temperature of the high-temperature flame heat flow and the sweating cooling test piece 9.
Example 2:
The invention discloses a sweating cooling test method based on an oxyacetylene platform, which comprises the following steps of:
S1: after preparing a sweating cooling test piece 9 according to test requirements, mounting a first pipeline 103, a second pipeline 201, a temperature sensor 3 and a pressure sensor 10 on the back surface of the sweating cooling test piece 9;
S2: the sweats cooling test piece 9 is arranged on the test piece bracket 4, and the coolant adjusting device 1, the temperature sensor 3, the pressure sensor 10, the cooling water circulating device 2 and the automatic focusing imaging instrument 8 are connected;
S3: opening the switch of the panel control system 12 until the display screen displays normally; the heat flow sensor 6 and the oxyacetylene flame generating device 7 are opened, and the flame heat flow is accurately calibrated through the heat flow sensor 6; after the constant heat flow is stable, slowly moving the test piece 8 into high-temperature flame along the guide rail 5; measuring the temperature of the surface of the sweating cooling test piece 9 by an infrared temperature measuring device 11;
s4: recording output values of the heat flow sensor 6, the temperature sensor 3, the pressure sensor 10, the infrared temperature measuring device 11 and the coolant flow;
S5: continuously adjusting the flow of the coolant through the coolant adjusting device 1 until the surface temperature of the sweating cooling test piece 9 is constant, and ending the test; when the instrument is closed, firstly, the oxyacetylene flame generating device 7 and the heat flow sensor 6 are closed, after the inspection and the arrangement are correct, the coolant adjusting device 1, the cooling water circulating device 2, the temperature sensor 3, the pressure sensor 10, the infrared temperature measuring device 11 and the panel control system 12 are closed;
S6: and (5) processing the experimental parameters recorded in the step (S5) to obtain the change relation of the surface temperature of the high-temperature flame heat flow and the sweating cooling test piece 9.
FIG. 2 is a measurement result of the present example, in which the surface temperature of the sweat cooling test piece 9 tends to be constant at around 200℃when the heat flow is 1.9MW/m 2 and the coolant flow rate is 0.1 g/s; after stopping the injection of the coolant, the surface temperature of the sweat-cooled test piece 9 rapidly rises; the flame is then turned off and the surface temperature of the sweaty cooling test piece 9 drops.
FIG. 3 is another measurement result of the present embodiment, in which the surface temperature of the sweat cooling test piece 9 is in an equilibrium state at about 260℃when the heat flow is adjusted to 2.2MW/m 2 and the coolant flow is adjusted to 0.16 g/s; after the flame is turned off, the surface temperature of the sweaty cooling test piece 9 decreases.
As in the above embodiment, the present invention can control the surface temperature of the sweating cooling test piece 9 by adjusting the flame size to adjust the heat flow and the digital metering pump 102 to adjust the flow of the coolant; under a constant heat flow environment, the surface temperature of the sweating and cooling test piece 9 can be reduced to be within an acceptable range, so that the problems in the prior art are solved, and the blank of a sweating and cooling test platform for accurately calibrating flame based on an oxyacetylene platform in the prior art is made up. The sweating cooling test platform can test the change relation of the surface temperature of the sweating cooling test piece 9 made of different materials along with the flow of heat flow and coolant flow, and is convenient for experimental teaching and scientific research.
The present invention is not limited to the embodiments described, but is capable of modification, alteration, replacement and variation in the embodiments without departing from the principle and spirit of the invention.
Claims (9)
1. An oxyacetylene platform-based sweat cooling test system, comprising: the device comprises a coolant adjusting device (1), a heat flow sensor (6), an oxyacetylene flame generating device (7), a sweating cooling test piece (9), an infrared temperature measuring device (11) and a panel control system (12), wherein the oxyacetylene flame generating device (7) is used for generating high-temperature flame outside the sweating cooling test piece (9); the heat flow sensor (6) is arranged outside the oxyacetylene flame generating device (7) and used for calibrating the flame heat flow size of the oxyacetylene flame generating device (7), and the coolant adjusting device (1) is arranged outside the sweating cooling test piece (9) and used for providing a certain flow of coolant for the sweating cooling test piece (9); the infrared temperature measuring device (11) is used for measuring the surface temperature of the sweating cooling test piece (9) in the test process; the panel control system (12) is respectively connected with the oxyacetylene flame generating device (7), the coolant adjusting device (1), the heat flow sensor (6) and the infrared temperature measuring device (11) through wires.
2. The oxyacetylene platform based sweating cooling test system of claim 1, wherein: the system also comprises a cooling water circulation device (2), wherein the cooling water circulation device (2) is arranged outside the sweating cooling test piece (9) and the heat flow sensor (6) and is used for cooling treatment.
3. The oxyacetylene platform based sweating cooling test system of claim 1, wherein: the system also comprises an automatic focusing imaging instrument (8), and the automatic focusing imaging instrument (8) is connected with a panel control system (12).
4. The oxyacetylene platform based sweating cooling test system of claim 1, wherein: the inner surface of the sweating cooling test piece (9) is provided with a temperature sensor (3) and a pressure sensor (10), and the temperature sensor (3) and the pressure sensor (10) are connected with a panel control system (12).
5. The oxyacetylene platform based sweating cooling test system of claim 1, wherein: the oxyacetylene flame generating device (7) comprises a first digital flowmeter (701), an oxygen bottle (702), a second digital flowmeter (703), an acetylene bottle (704) and an oxyacetylene flame generator (705); an oxygen cylinder (702) and an acetylene cylinder (704) are coupled to an oxyacetylene flame generator (705) through gas conduits; a first digital flowmeter (701) is arranged between the oxygen bottle (702) and the oxyacetylene flame generator (705), and a second digital flowmeter (703) is arranged between the acetylene bottle (704) and the oxyacetylene flame generator (705).
6. The oxyacetylene platform based sweating cooling test system of claim 1, wherein: the coolant adjusting device (1) comprises a coolant tank (101), a digital metering pump (102) and a first pipeline (103), wherein coolant is injected into the interior of the sweating cooling test piece (9) through the first pipeline (103), and the digital metering pump (102) is used for regulating and controlling the injection flow of the coolant.
7. The oxyacetylene platform based sweating cooling test system of claim 2, wherein: the lower part of the sweating cooling test piece (9) is provided with a test piece support (4), and a guide rail (5) is arranged below the test piece support (4) and used for moving the sweating cooling test piece (9).
8. The oxyacetylene platform based sweating cooling test system of claim 7, wherein: the cooling water circulation device (2) comprises a second pipeline (201), a water pump (202) and a cooling water tank (203), and the heat flow sensor (6) and the test piece support (4) are cooled through the cooling water circulation device (2).
9. A method for testing the sweat cooling based on an oxyacetylene platform, which is applied to the sweat cooling testing system based on the oxyacetylene platform according to any one of claims 1 to 8, and comprises the following steps:
s1: after preparing a sweating cooling test piece (9) according to test requirements, installing a first pipeline (103), a second pipeline (201), a temperature sensor (3) and a pressure sensor (10) on the back of the sweating cooling test piece (9);
s2: a sweating cooling test piece (9) is arranged on a test piece bracket (4), and a coolant adjusting device (1), a temperature sensor (3), a pressure sensor (10), a cooling water circulating device (2) and an automatic focusing imaging instrument (8) are connected;
S3: opening a switch of the panel control system (12) until the display screen displays normally; the heat flow sensor (6) and the oxyacetylene flame generating device (7) are opened, and the flame heat flow size is accurately calibrated through the heat flow sensor (6); after the constant heat flow is stable, slowly moving the test piece (8) into high-temperature flame along the guide rail (5); measuring the temperature of the surface of the sweating cooling test piece (9) through an infrared temperature measuring device (11);
S4: recording output values of a heat flow sensor (6), a temperature sensor (3), a pressure sensor (10), an infrared temperature measuring device (11) and coolant flow;
S5: continuously adjusting the flow of the coolant through the coolant adjusting device (1) until the surface temperature of the sweating cooling test piece (9) is constant, and ending the test; when the instrument is closed, firstly, the oxyacetylene flame generating device (7) and the heat flow sensor (6) are closed, after the check and the arrangement are correct, the coolant adjusting device (1), the cooling water circulating device (2), the temperature sensor (3), the pressure sensor (10), the infrared temperature measuring device (11) and the panel control system (12) are closed;
s6: and (5) processing the experimental parameters recorded in the step (S5) to obtain the change relation of the heat flow of the high-temperature flame and the surface temperature of the sweating cooling test piece (9).
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| CN104777187A (en) * | 2014-12-05 | 2015-07-15 | 襄阳航泰动力机器厂 | Thermal barrier coating heat insulation performance testing device |
| CN104897714A (en) * | 2015-04-29 | 2015-09-09 | 东方电气集团东方汽轮机有限公司 | Gas turbine thermal barrier coating efficient-thermal cycle performance testing apparatus and testing method thereof |
| KR101696278B1 (en) * | 2015-09-07 | 2017-01-13 | 한서대학교 산학협력단 | Apparatus for heating test piece for performance test and method for controlling the same |
| CN106442604A (en) * | 2016-10-09 | 2017-02-22 | 西安执锐工业***工程有限责任公司 | High-precision and full-automatic oxyacetylene ablation machine |
| CN106679820A (en) * | 2017-01-04 | 2017-05-17 | 电子科技大学 | Infrared-temperature-measurement-principle-based temperature measuring system in titanium ignition test |
| CN207703750U (en) * | 2017-12-26 | 2018-08-07 | 中国航天空气动力技术研究院 | Radiant heating-transpiration-cooling test device |
| CN109738475A (en) * | 2019-01-10 | 2019-05-10 | 中国兵器工业第五九研究所 | A kind of high frequency time flame impingement test device and test method |
| CN210572067U (en) * | 2019-09-10 | 2020-05-19 | 山东源瑞试验设备有限公司 | Sweating cooling test system based on oxyacetylene platform |
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