Aircraft ground thermal simulation test apparatus capable of rapidly cooling

A test device and technology for aircraft, which are applied in the field of aircraft ground thermal simulation test devices, can solve the problems of few reports of cooling simulation devices, cannot meet the requirements of cooling process test, etc., to prevent deformation by heat, ensure long-term use, and realize PID control. Effect

Active Publication Date: 2016-03-02
XI AN JIAOTONG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, most of the thermal simulation test devices at home and abroad are for aerodynamic heating process simulation. For example, infrared radiation heaters or graphite heaters are used as heat sources to simulate aerodynamic heating heat flow and test

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  • Aircraft ground thermal simulation test apparatus capable of rapidly cooling
  • Aircraft ground thermal simulation test apparatus capable of rapidly cooling
  • Aircraft ground thermal simulation test apparatus capable of rapidly cooling

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Embodiment Construction

[0048] The present invention is to adapt to the new requirements of the ground thermal simulation test, and provides a test device capable of simulating the rapid cooling process, in order to connect the cooling simulation and heating simulation, meet the rapid cooling requirements of test pieces of different sizes and materials, and provide Different cooling rates to achieve controlled zoned cooling of large-sized test pieces. The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0049] see figure 1 , an aircraft ground thermal simulation test device that can rapidly cool down, the device includes a compressed air system A, a water / liquid nitrogen supply system B, a first test piece heating-cooling test platform C, a second test piece heating-cooling test platform D and data acquisition and control system E;

[0050] The compressed air system A prov...

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Abstract

The invention discloses an aircraft ground thermal simulation test apparatus capable of rapidly cooling. The aircraft ground thermal simulation test apparatus comprises an air compressing system (A), a water/liquid nitrogen supply system (B), a first test piece heating-cooling test platform (C), a second test piece heating-cooling test platform (D), and a data acquisition and control system (E). The aircraft ground thermal simulation test apparatus can effectively integrate the heating and cooling systems of an aircraft, test piece position can be exchanged between a heating end and a cooling end on the heating-cooling test platform through a linear slide rail, after the test piece reaches a predetermined temperature, the test piece moves along the track and triggers a stroke switch so that a cooling working medium is released, rapid starting for cooling is realized, heating and cooling simulation test processes can be effectively connected; urgent demand for exploitation of novel high-speed aircrafts and guarantee of flight safety can be satisfied, and a ground thermal simulation test method can be improved.

Description

technical field [0001] The invention belongs to the technical field of high-speed aircraft thermal simulation, and relates to an aircraft ground thermal simulation test device capable of rapid cooling. Background technique [0002] The increase in the flight speed of high-speed aircraft (especially hypersonic aircraft) deteriorates the thermal environment faced by the aircraft, which will generate severe aerodynamic heating during flight, and the surface temperature of the body will rise to over 1000°C under the action of aerodynamic heating , and due to the deceleration of the aircraft and other factors during the flight, the high-temperature surface may experience a rapid cooling process. The rapid cooling of the high-temperature surface will cause excessive thermal stress, seal failure, structural deformation and damage, and seriously affect the safety and normal flight of the aircraft. For some components and materials, it is necessary to simulate their rapid cooling pr...

Claims

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Application Information

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IPC IPC(8): G01N25/20
CPCG01N25/20
Inventor 何雅玲文哲希严超曹学伟
Owner XI AN JIAOTONG UNIV
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