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Volume 36 Issue 4
Apr.  2010
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Journal of Beijing University of Aeronautics and Astronautics  > 2010  >  36(4): 469-473.
Li Mao, Du Zhenggang, Jin Ping, et al. Numerical simulation of combustion for GH2/GO2 gas-fired shear coaxial injector[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(4): 469-473. (in Chinese)
Citation: Li Mao, Du Zhenggang, Jin Ping, et al. Numerical simulation of combustion for GH2/GO2 gas-fired shear coaxial injector[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(4): 469-473. (in Chinese)
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Numerical simulation of combustion for GH2/GO2 gas-fired shear coaxial injector

  • School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 25 Mar 2009
  • Publish Date: 30 Apr 2010
    Abstract
  • To research the performance of the gas-fired injector in full flow staged combustion(FFSC) cycle engine, a gas-fired shear coaxial injector was simulated to obtain the performance of combustion. The gaseous hydrogen and gaseous oxygen (GH2/GO2) preburners were utilized to provide the hydrogen-rich gas at the temperature of 758 K and the oxygen-rich gas at the temperature of 676 K. It was performed to analyze the influence of the oxygen-rich gas pressure drop, the ratio of hydrogen-rich gas velocity to oxygen-rich gas velocity, the thickness of oxygen-rich gas injector and the recess of oxygen-rich gas injector on combustion performance. All the operating condition have the same structure of chamber, mass flux, gas-fired temperature. Influence of the four parameters were obtained. The results provide reliable criterion for the design of gas-gas shear coaxial injector.

     

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  • [1] Calhoon D F,Ito J I J,Kors D L.Investigation of gaseous propellant combustion and associated injector/chamber design guidelines .NASA CR-121234,1973 [2] Shyy W,Tucker P K,Vaidyanathan R.Response surface and neural network techniques for rocket engine injector optimization[J].Journal of Propulsion and Power ,2001,7(2):391-401 [3] Vaidyanathan R,Tucker P K,Papila N,et al.Computational-fluid-dynamics-based design optimization for single-element rocket injector[J].Journal of Propulsion and Power ,2004,20(4):705-717 [4] Marshall W M,Pal S,Woodward R D,et al.Benchmark wall heat flux data for a G02/GH2 single element combustor .AIAA 2005-3572,2005 [5] Sozer E,Vaidyanathan A,Segal C,et al.Computational assessment of gaseous reacting flows in single element ijector .AIAA 2009-449,2009 [6] Shang M,Chen Y,Paul L.Investigation of chemical kinetics integration algorithms for reacting flows .AIAA 95-0806,1995
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