The invention provides a thermal protection structure of an aircraft, and relates to the field of thermal protection structure design of ultra-high-speed aircrafts. The thermal protection structure comprises a rigid thermal insulation layer, a flexible thermal insulation layer, a thermal insulation layer and a heat conduction layer, the rigid thermal insulation layer comprises a plurality of thermal insulation tiles distributed side by side, and the thermal conductivity of the thermal insulation tiles is smaller than 3 W/m DEG C; the flexible heat insulation layer is arranged on the rigid heat insulation layer and covers the heat insulation tiles, and the heat conductivity of the flexible heat insulation layer is smaller than that of the heat insulation tiles; the heat insulation layer is arranged on the side, away from the rigid heat insulation layer, of the flexible heat insulation layer, and the heat conductivity of the heat insulation layer is smaller than that of the heat insulation tile; the heat conduction layer is arranged on the side, away from the rigid heat insulation layer, of the heat insulation layer, and the heat conductivity of the heat conduction layer is larger than that of the heat insulation tile. The thermal protection structure disclosed by the invention can perform thermal protection on key components.

    本公开提供一种飞行器的热防护结构,涉及超高速飞行器的热防护结构设计领域。该热防护结构包括刚性隔热层、柔性隔热层、绝热层以及导热层,其中:刚性隔热层包括多个并排分布的隔热瓦,隔热瓦的导热率小于3W/m℃;柔性隔热层设于刚性隔热层上,且覆盖各隔热瓦,柔性隔热层的导热率小于隔热瓦的导热率;绝热层设于柔性隔热层远离刚性隔热层的一侧,且绝热层的导热率小于隔热瓦的导热率;导热层设于绝热层远离刚性隔热层的一侧,且导热层的导热率大于隔热瓦的导热率。本公开的热防护结构,可对关键组件进行热防护。


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    Title :

    Thermal protection structure of aircraft


    Additional title:

    飞行器的热防护结构


    Contributors:
    XUE ZHUO (author) / WANG PEIYAN (author) / LIU FUCHAO (author) / PEI RUNA (author) / YUE ZHUFENG (author)

    Publication date :

    2024-12-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / B64C AEROPLANES , Flugzeuge



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