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基于欧拉法模拟旋转帽罩水滴撞击特性

DOI: 10.13700/j.bh.1001-5965.2013.0559, PP. 1263-1267

Keywords: 飞机结冰,多相流,欧拉法,水滴撞击特性,旋转帽罩

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Abstract:

基于欧拉两相流理论,对旋转帽罩水滴撞击特性进行了数值模拟。通过引入耗散函数求解水滴相无黏欧拉方程,实现了欧拉法求解三维旋转帽罩的水滴撞击特性。分析了旋转帽罩转速对水滴撞击特性的影响。发现旋转帽罩转速越大,其表面水滴撞击极限稍有减小。在典型飞行条件与气象条件下,离心力对水滴运动轨迹的影响远小于惯性力对其的影响,旋转帽罩转速对水滴撞击特性影响较小。

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