叶片通道内二次涡的数值模拟  

NUMERICAL SIMULATION OF SECONDARY VORTICITIES IN BLADE PASSAGE

作　　者：周正贵[1] 吴国钏[1] 

机构地区：[1]南京航空航天大学201教研室

出　　处：《航空学报》1996年第S1期76-78,共3页Acta Aeronautica et Astronautica Sinica

摘　　要：采用三维Ｅｕｌｅｒ方程数值模拟叶片通道内流向二次涡，及其对叶片出口气流角的影响。算例表明：采用这种方法可以计算出流向二次涡；该涡造成的出口气流偏转角与实验值比较，在远离壁面处相差较小。The streamline secondary vorticities in blade passages were simulated numerically by Euler equations for the first time.The effects of the vorticities on outlet flow angles have also been predicted.The calculated results show that the vorticities can be simulated by the method and the difference between predicted and experimental deviation angles of outlet flow is relatively small in the region far from the end walls. The method can be used to roughly analyse the secondary flows in blade passages.

关 键 词：欧拉运动方程 二次流叶栅流 计算机化仿真 

分 类 号：V211.3[航空宇航科学与技术—航空宇航推进理论与工程]