Volume 22 Issue 3
Mar.  2007
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Article Navigation >  Journal of Aerospace Power  > 2007  >  22(3): 500-504
DU Zheng-gang, JIN Ping, YANG Li-jun, CAI Guo-biao, ZHANG Meng-zheng. Experimental investigation of flowrate characteristics of gas-gas injector[J]. Journal of Aerospace Power, 2007, 22(3): 500-504.
Citation: DU Zheng-gang, JIN Ping, YANG Li-jun, CAI Guo-biao, ZHANG Meng-zheng. Experimental investigation of flowrate characteristics of gas-gas injector[J]. Journal of Aerospace Power, 2007, 22(3): 500-504.
shu

Experimental investigation of flowrate characteristics of gas-gas injector

  • 1.

    School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • 2.

    The 11th Research Institute of CASC, Xi'an 710100, China

  • Received Date: 2006-03-16
  • Rev Recd Date: 2006-07-10
  • Publish Date: 2007-03-28
    Abstract
  • Seven types of gas-gas injectors involving two patterns were employed to conduct the flowrate characteristics tests at different back pressure conditions.An investigation on flowrate characteristics of one type of injectors was made at single propellant injection.The effects of inlet pressure of injector and back pressure as well as interaction between oxidizer injector and fuel injector on flowrate characteristics were investigated.Through the experimental measurements and fitting a mathematical expression,the formula of discharge coefficient was given.The results presented in this paper may provide valuable reference for the optimization design of the gas-gas injector for full flow staged combustion cycle engine.

     

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