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�������պ����ѧѧ�� 2001, Vol. 27 Issue (3) :317-320    DOI:
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Vibrational Nonequilibrium Distribution of Diatomic Molecules
ZHANG Jin-bai, LI Chun-xuan*
Beijing University of Aeronautics and Astronautics, Dept. of Flight Vehicle Design and Applied Mechanics

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ժҪ Ϊ��������Hammerling����,����ϸ�����˷�ƽ��״̬��˫ԭ�ӷ�����̬�ķֲ������Ļ�����,������µķֲ����ƺ���.�ý��Ʒֲ������ܺܺõ����ַ�ƽ��״̬��˫ԭ�ӷ�����̬�ֲ�����Ҫ����,������ⷴӦ���ʵ����ۼ����е�Ӧ��Ҳ֤���dzɹ���.ͬʱ������֤����Park��˫��ģ�;��������ۻ���.
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Abstract�� An attempt is made in the present paper to develop an analytical model to modify the ��Hammerling-s�� hypothesis in dealing with the vibration modes for diatomic molecules under nonequilibrium states. The characteristics of distribution functions for vibration modes of diatomic molecules undergoing a nonequilibrium relaxation process are studied and a new approximate form of distribution functions is proposed. The calculations of test cases show that the majority of the characteristics of the vibration modes can be represented by the deduced approximate function. The utilization of the formulation on computations of the rate of the N2 dissociation undergoing a nonequilibrium relaxation process has demonstrated to be successful, and the study also partly verify the theory behind Park-s two-temperature model.
Keywords�� distribution functions   unequilibrium(thermodynamics)   chemical reactions   dissociation     
Received 1999-12-24;
About author: �ž���(1972-),��,����������,��ʿ��,100083,����.
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�ž���, ���.��ƽ��״̬��˫ԭ�ӷ�����̬�ķֲ�[J]  �������պ����ѧѧ��, 2001,V27(3): 317-320
ZHANG Jin-bai, LI Chun-xuan.Vibrational Nonequilibrium Distribution of Diatomic Molecules[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2001,V27(3): 317-320
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2001/V27/I3/317
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