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�������պ����ѧѧ�� 2004, Vol. 30 Issue (09) :831-834    DOI:
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ФӦ��, ������, ����*
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Numerical study on hydrazine arcjet thruster working exchangeability
Xiao Yingchao, Tang Haibin, Liu Yu*
School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� A simplified physical model of an arcjet thruster was established on the basis of proper understanding of the physical mechanism of its working course, and a mathematical model for it was expressed by using Navier-Stokes equations coupled with electromagnetic source terms based upon the physical model. Calculation for working performance of a low power hydrazine arcjet thruster with arc and without arc was achieved comparatively. Second-order-accuracy non-oscillatory and non-free-parameters dissipative finite difference scheme and explicit time-marching method were used to obtain numerical solutions. The computationalresults present flow configurations within the thruster with arc and without arc, foretell its thrust and specific impulse in various conditions, and attest its working exchangeability.
Keywords�� arcjet engines   hydrazine   flow configurations   exchangeability     
Received 2003-06-02;
Fund:

������������������Ŀ(K1201060711); ������Ȼ��ѧ����������Ŀ(50086001)

About author: ФӦ��(1979-),��,����Т����,��ʿ��, ycx 79 2004@buaa.edu.cn.
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ФӦ��, ������, ����.�µ绡����������������ʽ���滻����ֵ�о�[J]  �������պ����ѧѧ��, 2004,V30(09): 831-834
Xiao Yingchao, Tang Haibin, Liu Yu.Numerical study on hydrazine arcjet thruster working exchangeability[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2004,V30(09): 831-834
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