高温合金前缘热防护结构隔热性能分析
收稿日期: 2016-05-13
修回日期: 2016-06-02
网络出版日期: 2016-07-22
Analysis and design of leading edge using metallic thermal protection system
Received date: 2016-05-13
Revised date: 2016-06-02
Online published: 2016-07-22
王曼 , 杨家勇 , 何二锋 , 涂冰 . 高温合金前缘热防护结构隔热性能分析[J]. 航空学报, 2016 , 37(S1) : 53 -58 . DOI: 10.7527/S1000-6893.2016.0176
Leading edge using metallic thermal protection system consists of super alloy honeycomb and thermal insulation felt, duct fastening, which has the function of loading and thermal insulation capacity. The leading edge is easy to be disassembled and maintained, with economic efficiency and safety. The leading edge's loading and thermal insulation capacity are analyzed, then the final structure design is obtained. Super alloy honeycomb has good thermal insulation effect, and has high temperature resistance at 1 200℃. The material of thermal insulation felt maintains excellent thermal insulation effect in high temperature test, so the correctness of heat transfer analysis method is verified. By modeling local heat transfer analysis structure, the leading edge design parameters can be iteratively fixed to achieve the leading edge structure-thermal integrative design.
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