Study on the Similarity Criteria of Aircraft Structure Temperature/Stress/Dynamic Response

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概要

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• The performance parameters of thermal protection system are essential for the design and optimization of high-speed aircraft. The flight-ground conversion is a valid method to provide the effective support to the design of the thermal protection structure (TPS), because the performance data of TPS were generally obtained from wind tunnel test and should be conversed to the corresponding environment. In this paper, the similarity parameters of heat conduction and thermoelasticity equations are studied, the similarity criteria proposed, and the effectiveness of some of the similar parameters are calculated and analyzed. The research results indicated that wind tunnel test can be better designed using the proposed similarity criteria, and the data obtained from wind tunnel test can be modified more rational to accommodate the reality flight condition so as to improve the precision and the efficiency of wind tunnel experiment.

著者

• LIU Lei

  State Key Laboratory of Aerodynamics, China Aerodynamics Research and Development Center

関連論文

• Study on the Similarity Criteria of Aircraft Structure Temperature/Stress/Dynamic Response

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