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Device and method for testing ablation resistance of fluid director

A deflector and ablation-resistant technology, which is used in testing wear resistance, measuring devices, instruments, etc., can solve the problems of difficulty in calculating material ablation, high flight test costs, and unrealistic simulations. Conducive to performance verification, easy to improve and optimize, easy to operate

Pending Publication Date: 2020-11-24
湖北三江航天江北机械工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using the simulation calculation method to calculate the flow field, the simulation of the actual situation is not realistic enough, and it is difficult to calculate the ablation of the material, and the cost of the flight test is too high

Method used

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  • Device and method for testing ablation resistance of fluid director
  • Device and method for testing ablation resistance of fluid director

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Embodiment Construction

[0030] The implementation of the present invention will be described in detail below in conjunction with the examples of implementation, but they do not constitute a limitation of the present invention, and are only examples. At the same time, the advantages of the present invention will become clearer and easier to understand.

[0031] Such as figure 1 with figure 2 The shown device for testing the ablation resistance of the deflector includes a bench 1, a gas generator 2 is provided in the middle of the bench 1, a deflector 3 is provided directly below the gas generator 2 and a On the test bench 4 supporting the deflector 3, several temperature sensors 5 are arranged on the deflector 3; several pressure sensors 6 are arranged between the bottom of the deflector 3 and the top of the test bench 4, and the temperature sensor 5 The signal output ends of the pressure sensor 6 are respectively connected with the signal input ends of the external control center 8 , and the contr...

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Abstract

The invention discloses a device and a method for testing ablation resistance of a fluid director, the device comprises a rack, a gas generator is arranged in the middle of the rack, the fluid director and a test bench for supporting the fluid director are arranged right below the gas generator, and a plurality of temperature sensors are arranged on the fluid director; a plurality of pressure sensors are arranged between the periphery of the bottom of the fluid director and the top of the test bed, signal output ends of the temperature sensors and the pressure sensors are respectively connected with a signal input end of an external control center, and a control signal input end of the gas generator is connected with a control signal output end of the control center. The device for testingthe ablation resistance of the fluid director is simple in structure, convenient to use, high in simulation trueness, convenient in data acquisition and capable of well meeting test requirements.

Description

technical field [0001] The invention relates to the technical field of performance testing of a deflector, in particular to a device and method for testing the ablation resistance performance of a deflector. Background technique [0002] With the rapid development of the aerospace industry and weaponry, various products need to be effectively guided by high-temperature and high-speed airflow when launching, and the demand for deflectors is increasingly strong. During the launching process, the gas flow is rich in various chemical substances and solid particles, which will have a severe impact effect and ablation effect on the deflector. At the same time, the vehicle deflector generally requires light weight, so the low-density, high-strength, The ablation-resistant non-metallic protective cover can be quickly replaced after the service life is reached to ensure the needs of the launch mission. [0003] How to test the ablation resistance of the non-metallic protective cover...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/02G01N3/56G01N3/02
CPCG01N25/02G01N3/567G01N3/02
Inventor 任晗张文肖霞钟瑾邵有福
Owner 湖北三江航天江北机械工程有限公司
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