氣動加熱與熱響應(yīng)耦合分析及試驗研究

Numerical simulation and experimental study of coupled aeroheating and structural thermal response

摘要: 文章介紹了Ma（馬赫數(shù)）＜6的飛行器典型部位的氣動加熱與熱響應(yīng)耦合分析及試驗驗證技術(shù)。氣動加熱計算模塊采用的是工程算法，同時將其集成到自主開發(fā)的結(jié)構(gòu)有限元三維溫度場計算ASTSA軟件平臺上，實現(xiàn)了氣動加熱與熱響應(yīng)耦合分析功能。在結(jié)構(gòu)地面熱試驗方面，成功研發(fā)了全方程熱流密度PLC控制熱模擬試驗系統(tǒng)，并利用該系統(tǒng)進行了高速飛行器結(jié)構(gòu)氣動加熱與熱響應(yīng)耦合地面模擬試驗。試驗與數(shù)值分析的結(jié)果對比顯示，二者吻合較好，驗證了本數(shù)值分析方法的正確性。

Abstract: The numerical simulation and the experimental investigation for coupled aeroheating and structural thermal response over a typical part of a flight vehicle (Ma<6) are presented in this paper. Aeroheating is calculated by an engineering algorithm. The numerical simulation for coupled aeroheating and structural thermal response is carried out by adding the aeroheating calculation module to the self-developed code of the structural temperature field. The thermal simulation test for coupled aeroheating and structural thermal response is done by using the technique of the full-equation heat flux operation control. The numerical simulation method is validated by the experiment results.