Volume 23 Issue 2
Feb.  2008
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XIE LÜ-rong, GUO Rong-wei. Investigation of the restart performance of a mixed-compression two-dimensional supersonic inlet with fixed-geometry[J]. Journal of Aerospace Power, 2008, 23(2): 389-395.
Citation: XIE LÜ-rong, GUO Rong-wei. Investigation of the restart performance of a mixed-compression two-dimensional supersonic inlet with fixed-geometry[J]. Journal of Aerospace Power, 2008, 23(2): 389-395.

Investigation of the restart performance of a mixed-compression two-dimensional supersonic inlet with fixed-geometry

  • Received Date: 2006-12-28
  • Rev Recd Date: 2007-04-16
  • Publish Date: 2008-02-28
  • An experimental study was conducted to investigate the restart performance of a fixed-geometry,mixed-compression,two-dimensional supersonic inlet under unstart condition due to raising backpressure,with a designed flight Mach number from 2.25 to 4.0.The test results and two-dimensional unsteady simulation results show that,the inlet performance is consistent in the inlet wall and exit section tests at Mach number of 2.51 and 3.01;the throat area is determined according to the start area shrinkage ratio at Mach=2.25,so that the inlet enables self-start at Ma=2.5 and above.The phenomenon of no hysteresis under stable subcritical condition is because of a high total pressure recovery and a flow pattern of inlet similar to external compression inlet.

     

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