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�������պ����ѧѧ�� 2008, Vol. 34 Issue (8) :981-985    DOI:
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�߽�1, ���޺�1, ���1, ��ΰ2*
1. �������պ����ѧ ��Դ�붯������ѧԺ, ���� 100191;
2. �й�����ƹ����Ź�˾ ��Ժ����,����100854
Random vibration response analysis of hypersonic flight vehicle ramjet combustor chamber structure
Gao Jinhai1, Ma Yanhong1, Hong Jie1, Liu Wei2*
1. School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
2. The Second System Design Department of the Second Research Academy of CASIC, Beijing 100854, China

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Abstract�� The testing results of combustion chamber structure of hypersonic ramjet were used, which finished the analysis to structure random vibration response of combustion chamber shell. Meanwhile, both of them were compared ,which gave us a satisfied consequence. The analysis and technology method of random vibration response of vehicle complex structure were verified by this test. On the basis of that by taking advantage of pressure load data and analysising the random vibration response of combustor chamber in flight regime, the RMS(Root Mean Square) and PSD(Power Spectral Density) of acceleration response were presented, which was very important to the work of preliminary of dynamic environment of fight vehicle.
Keywords�� hypersonic   ramjet   combustor chamber   random vibration   response analysis     
Received 2007-07-09;
Fund:

�����������������˲�֧�ּƻ�������Ŀ(NCET-06-0171)

About author: �߽�(1980-),��,������ĵ������,��ʿ��,gaojinhai@sjp.buaa.edu.cn.
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�߽�,���޺�,���,��ΰ.�߳����ٷ�������ѹȼ�����������Ӧ����[J]  �������պ����ѧѧ��, 2008,V34(8): 981-985
Gao Jinhai, Ma Yanhong, Hong Jie, Liu Wei.Random vibration response analysis of hypersonic flight vehicle ramjet combustor chamber structure[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2008,V34(8): 981-985
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