Volume 29 Issue 1
Jan.  2014
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XIE Ye-ping, SHANG Shou-tang, LI Jian-rong, SHI Lei. Optimization of aero-engine nozzle control schedule under the maximum dry thrust condition based on installation performance[J]. Journal of Aerospace Power, 2014, 29(1): 175-180. doi: 10.13224/j.cnki.jasp.2014.01.023
Citation: XIE Ye-ping, SHANG Shou-tang, LI Jian-rong, SHI Lei. Optimization of aero-engine nozzle control schedule under the maximum dry thrust condition based on installation performance[J]. Journal of Aerospace Power, 2014, 29(1): 175-180. doi: 10.13224/j.cnki.jasp.2014.01.023

Optimization of aero-engine nozzle control schedule under the maximum dry thrust condition based on installation performance

doi: 10.13224/j.cnki.jasp.2014.01.023
  • Received Date: 2012-11-30
  • Publish Date: 2014-01-28
  • A zooming technology was implemented by combining aero-engine zero dimensional performance code and computational fluid dynamics (CFD) software for simulating two-dimensional nozzle inner/outer flow.The research was conducted based on Matlab with the incorporation of MS-DOS command and CFD operational log.To optimize the cruise performance of aircraft propulsion system and aircraft afterbody drag,the control schedule of aero-engine nozzle throat area and exit area was investigated.The results show that the installed thrust of aero-engine is improved over 1% in the flight condition of high Mach number only by optimizing the schedule of nozzle exit area,while maintaining the stability margin of aero-engine.

     

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