Volume 28 Issue 3
Mar.  2013
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MAO Xiao-fang, TANG Zhen-yu, CAI Guo-biao. Simulation on working process of 10N attitude-control thruster combustion chamber at lower-pressure condition[J]. Journal of Aerospace Power, 2013, 28(3): 550-555.
Citation: MAO Xiao-fang, TANG Zhen-yu, CAI Guo-biao. Simulation on working process of 10N attitude-control thruster combustion chamber at lower-pressure condition[J]. Journal of Aerospace Power, 2013, 28(3): 550-555.

Simulation on working process of 10N attitude-control thruster combustion chamber at lower-pressure condition

  • Received Date: 2011-11-28
  • Publish Date: 2013-03-28
  • A simulation model for the working process of rocket engine combustion chamber was described. Simulation was implemented by using this model for a 10N thruster working at different lower supply pressures. Comparisons were made to find some characteristics of chamber pressure and thrust of the thruster when it worked in long-pulse and short-pulse modes at regular and lower supply pressures. According to the theoretical thrust obtained by simulation and the experimental thrust in long-pulse mode, it can be concluded that the thrust efficiencies are 94%, 91% and 90%, respectively, while supply pressures equal to 1.48, 1.0, 0.6MPa, separately. Meanwhile, simulation results of short-pulse mode cases show that, when the supply pressure decreases to 0.4MPa, the thruster cannot be ignited in short-pulse mode.

     

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