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�������պ����ѧѧ�� 2007, Vol. 33 Issue (10) :1136-1140    DOI:
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Computation of shock wave/boundary-layer interactions with GAO-YONG turbulence equations
Xu Libo, Gao Ge*
National key Laboratory on Aero-Engines, Beijing University of Aeronautics, and Astronautics Beijing 100083, China

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ժҪ ����GAO-YONG��ѹ������������,ģ����ƽ�弤��/�����߽���������.����SIMPLE�㷨��ⷽ����,���ֱ�������׾��ȵ�QUICK��ʽ�����ĸ�ʽ��ɢ���������ɢ��.�������Ϻ�Ԥ��������б������ƽֱ�����������������������������: �����ķ��伤���������������������Լ��ٸ���ķ��伤��.��������ʱ��������ʵ��ֵ�����˱Ƚ�,����õ��ı���ѹ���ֲ���Ħ��ϵ���ֲ����ٶ�����ʵ��ֵ�Ƚ��ǺϺܺ�.�������GAO-YONG��ѹ�������������ܹ��߾���ģ��ƽ�弤��/�����߽���������.
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Abstract�� Rational GAO-YONG compressible turbulence equations were applied to simulate numerically the flat plate shock wave/turbulent boundary layer interactions. The equations were solved using the semi-implicit method for pressure-linked equations (SIMPLE) algorithm. The discretization of convection and diffusion terms were respectively adopted quadratic upwind interpolation of convective kinematics(QUICK) scheme with third-order precision and center difference (CD) scheme.The calculational results predict well the flow characteristics of turbulent boundary layer separation induced by incident shock wave: a separation shock followed by expansion fan around separation bubble and shock in reattachment point.The computational results of the time-averaged parameters, such as the velocity profiles along the ��x��-coordinate, pressure along the wall surface and skin-friction coefficient along the wall were compared with the experimental results. It is shown that when the GAO-YONG compressible turbulence equations are applied to the shock wave/turbulent boundary layer interacting cases, the basic feature and details of shock flows can be well simulated.
Keywords�� compressible flow   turbulence   shock waves   boundary layer     
Received 2006-09-28;
About author: ������(1982-),��,���ϰ�����,˶ʿ��,hsuleeboo@sohu.com.
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������,�߸�.��GAO-YONG����ģ�ͼ��㼤��/�߽�����[J]  �������պ����ѧѧ��, 2007,V33(10): 1136-1140
Xu Libo, Gao Ge.Computation of shock wave/boundary-layer interactions with GAO-YONG turbulence equations[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(10): 1136-1140
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