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�������պ����ѧѧ�� 2005, Vol. 31 Issue (08) :893-898    DOI:
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Numerical simulation of supersonic MHD channel flows
Xu Zhengyu, Lee Chunhian*
School of Aeronautic Science and Technology, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ Ӧ�ÿ�ͬʱ����������������MHD (MagnetoHydroDynamic)ǿ����ȼ��ѹ�����������巢������������������,����������N-S(Navier-Stokes)������Ÿ�Ӧ���̵Ŀ�ѹ�������巽����Գ����ٴ�����ܵ�������������ֵģ���о�,����֤�����������Ķ�2�鷽�̽��н�������ķ���ʽ�㷨.�����������ļ�����,�����޴ų�����ų�����ͬ�ܵ������������������˶Աȷ���.
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Abstract�� A compressible MHD (magnetohydrodynamic) model composed of MHD N-S (navier-stokes) equations and magnetic induction equations was proposed for analyzing the magnetohydrodynamic characteristics in MHD generator and MHD accelerator channels of MPC (magneto-plasma-chemical) propulsion system. A splitting algorithm based on an alternative iteration was developed for solving the two sets of equations. As a test case, a supersonic MHD flow in a square duct was simulated. The numerical results were compared with the results computed by solving the classical N-S equations for the perfect gas flow, together with the results computed utilizing the degenerate MHD N-S equations for the same channel flow with constant applied magnetic field. The thermo-electro-magnetic performances of the test cases with constant and variable applied fields were then discussed.
Keywords�� MHD(magnetohydrodynamic)   hypersonic   TVD(total variation deminition)   numerical simulation     
Received 2004-03-26;
About author: ������(1981-),��,�����质��,˶ʿ��, xuzyu@163.com.
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������, ���.�����ٴ�����ܵ���������ֵģ��[J]  �������պ����ѧѧ��, 2005,V31(08): 893-898
Xu Zhengyu, Lee Chunhian.Numerical simulation of supersonic MHD channel flows[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2005,V31(08): 893-898
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