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�������պ����ѧѧ�� 2005, Vol. 31 Issue (11) :1250-1253    DOI:
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Numerical simulation of infrared characteristics of liquid rocket plume
Zhang Xiaoying, Zhu Dingqiang, Xiang Hongjun, Cai Guobiao*
School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ �ô��䷽�̻��ַ�����Һ���������ڹ���2~5?μm�ĺ�������,�������˾�����ƽ��һ�����ȵ�ˮƽ·�̺������Һ������������˥������.�����������״ΪԲ����,�¶Ⱥ���ֵ�Ħ������������;���仯.�����п����������H2O,CO2,CO�������뷢��,������ȼ���Ĺ���͸������SLGģ�ͼ���,�����Ĺ���͸������LOWTRAN7.0����.����һ̨����Ϊ1.125×106N��Һ������������������Լ�������ƽ��0.88?kmˮƽ·�̴���˥����Ĺ��׷���ǿ��,���Ƚ���ο����׸����Ľ������һ��.
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Abstract�� The infrared characteristics of liquid rocket plume, in spectrum 2~5?μm, was calculated using integral method of radiation transfer equation. The absorption of air at sea level was considered. The temperature and mole fraction of components in the cylindrical plume vary in axial and radial directions. The absorption and emission of gaseous components: H2O, CO2, CO were considered in computation. The spectral transmission of gas were calculated by the SLG model and air by LOWTRAN7.0. The spectral radiation intensity outgoing plume surface, and that after being absorbed by the air path of 0.88?km was calculated. By comparing, the results was basically accord with that in reference.
Keywords�� rockets engines   exhaust gases   infrared radiation   numerical analysis     
Received 2004-10-14;
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����"ʮ��"����(113020402)

About author: ��СӢ(1973-),Ů,������̶��,��ʿ��, zhang xy1119@sina.com.
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��СӢ, �춨ǿ, ����, �̹��.Һ��������������Ե���ֵ����[J]  �������պ����ѧѧ��, 2005,V31(11): 1250-1253
Zhang Xiaoying, Zhu Dingqiang, Xiang Hongjun, Cai Guobiao.Numerical simulation of infrared characteristics of liquid rocket plume[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2005,V31(11): 1250-1253
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