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�������պ����ѧѧ�� 2009, Vol. 35 Issue (9) :1095-1099    DOI:
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Method for investigation of combustion flowfield characteristics in single element gas/gas injector chamber
Wang Xiaowei, Jin Ping, Cai Guobiao*
School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� To facilitate hot-fire tests of single element gas/gas injector chamber, a method used to reveal the combustion development and completion length of the chamber flowfield was designed, which combines wall temperature measurement and numerical simulation of gas/gas combustion flowfield. The impacts of using various turbulence and combustion models was investigated to obtain the models which best represented the experimental data. And influences of H2/O2 momentum ratio and chamber pressure on shear-coaxial injector combustion flowfield were investigated. The result shows that the better mixing and the shorter combustion length can be obtained with the larger H2/O2 momentum-ratio and the chamber pressure can hardly influences the combustion flowfield.
Keywords�� measurement method   combustion flowfield   gas/gas injector   combustor   numerical simulation     
Received 2008-08-10;
Fund:

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About author: ��С��(1983-),��,���հ�����,��ʿ��,wangxwbuaa@163.com.
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��С��, �� ƽ, �̹��.һ�ֵ�����������ȼ���������ķ���[J]  �������պ����ѧѧ��, 2009,V35(9): 1095-1099
Wang Xiaowei, Jin Ping, Cai Guobiao.Method for investigation of combustion flowfield characteristics in single element gas/gas injector chamber[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(9): 1095-1099
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