Xue Bindang, Xing Yanqi. Fresnel transform based invariant moments extraction and object recognition method[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(8): 1001-1004,1063. (in Chinese)
Citation: Wang Xiaowei, Jin Ping, Cai Guobiaoet al. Method for investigation of combustion flowfield characteristics in single element gas/gas injector chamber[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(9): 1095-1099. (in Chinese)

Method for investigation of combustion flowfield characteristics in single element gas/gas injector chamber

  • Received Date: 10 Aug 2008
  • Publish Date: 30 Sep 2009
  • 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.

     

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