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弹道学报  2014 

高超声速飞行器翼面气动加热、辐射换热与瞬态热传导的耦合分析

Keywords: 高超声速飞行器,翼面,气动加热工程算法,辐射换热,热传导,耦合分析

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Abstract:

为准确预测高超声速飞行器翼面的热环境以利于飞行器的设计。通过数值算例验证了基于参考焓法的气动加热工程算法的可行性;提出了一种高超声速飞行器三维翼面的气动加热、辐射换热、瞬态热传导的准定常耦合求解方法,通过与非耦合的气动加热、辐射换热及瞬态热传导方法相比,指出考虑耦合求解的必要性。在飞行器典型弹道飞行条件下,该耦合求解方法考虑气动加热、辐射换热、结构热传导耦合效应,实现了高超声速三维翼面温度的准确预测,该方法可用于高超声速飞行器气动热分析及热防护设计。

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