Volume 26 Issue 8
Aug.  2011
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PAN Ke-wei, HE Guo-qiang, LIU Pei-jin, QIN Fei, YANG Bin. Numerical investigation of combustion about injection positions in rocket induced secondary combustion of RBCC engine[J]. Journal of Aerospace Power, 2011, 26(8): 1900-1906.
Citation: PAN Ke-wei, HE Guo-qiang, LIU Pei-jin, QIN Fei, YANG Bin. Numerical investigation of combustion about injection positions in rocket induced secondary combustion of RBCC engine[J]. Journal of Aerospace Power, 2011, 26(8): 1900-1906.
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Numerical investigation of combustion about injection positions in rocket induced secondary combustion of RBCC engine

  • Science and Technology on Combustion,Internal Flow and Thermal-structure Laboratory, School of Astronautics,Northwestern Polytechnical University,Xi'an 710072,China

  • Received Date: 2010-07-07
  • Rev Recd Date: 2010-10-11
  • Publish Date: 2011-08-28
    Abstract
  • In order to investigate the influence on combustion by changing the injection positions in the rocket induced secondary combustion,the numerical simulation was used to study the rule of the distribution of component in the flow,the area of high temperature heat release and the distribution of pressure in the flow.The results show that:the combustion flow is obviously affected by changing the injection positions.In the combustor,the combustion performance could be improved by putting the fuel injection position forwards,helping to strengthen the mixing capability of fuel.For the fuel mixed ahead the flame of primary rocket,it accelerates the fuel spray evaporation effect,improves the flame spread and increases the combustion efficiency.In order to improve the performance of combustion in the rocket induced secondary combustion,the fuel injection positions should be placed at front end in the combustor.

     

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