Pulsating heat pipe active thermal protection structure coupled with ablative resistant materials
A technology of thermal protection structure and pulsating heat pipe, which is applied in the directions of aerospace vehicle heat protection device, aerospace safety/emergency device, etc., can solve the design requirements that restrict the lightweight of aircraft, the difficulty of precise control of aerodynamic aircraft, and reduce the heat protection structure. Design quality-efficiency ratio and other issues to solve the problem of material failure, avoid extreme temperature distribution, and achieve small changes in aerodynamic shape
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[0042] Example:
[0043] A similar geometric model of a typical hypersonic vehicle is selected, and typical flight conditions are selected. Numerical simulation and wind tunnel tests are carried out for local structures such as rudder and wing leading edge, and the surface thermal environment distribution law of the sharp leading edge is obtained. Based on the numerical simulation and ground test results, the thermal protection structure design is carried out, and the thermal and mechanical simulations are carried out in the "starting" and "stable" states, and the thermal resistance performance and structure size of the ablation-resistant materials, and the working fluid of the pulsating heat pipe are given in detail. Characteristics and pipeline layout parameters to form an active thermal protection structure scheme for pulsating heat pipes coupled with ablation-resistant materials.
[0044] The specific design is: the thickness of the cooling panel is 1mm, the distance betwe...
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