Volume 29 Issue 4
Apr.  2014
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TIAN Jin-hu, QIAO Wei-yang, PENG Sheng-hong. Experiment on aero-engine altitude simulated pressure distortion[J]. Journal of Aerospace Power, 2014, 29(4): 817-823. doi: 10.13224/j.cnki.jasp.2014.04.011
Citation: TIAN Jin-hu, QIAO Wei-yang, PENG Sheng-hong. Experiment on aero-engine altitude simulated pressure distortion[J]. Journal of Aerospace Power, 2014, 29(4): 817-823. doi: 10.13224/j.cnki.jasp.2014.04.011

Experiment on aero-engine altitude simulated pressure distortion

doi: 10.13224/j.cnki.jasp.2014.04.011
  • Received Date: 2013-01-30
  • Publish Date: 2014-04-28
  • Because of the importance of experiment on aero-engine altitude simulated pressure distortion, the experimental project was discussed in detail. The experiment on aero-engine altitude simulated pressure distortion was launched by moving flashboard. The aerodynamic stability characteristic of aero-engine based on turbulent condition of moving flashboard was obtained, and the magnitude relations of key destabilizing factors such as pressure distortion, altitude low Reynolds number, air bleeding and power extraction to engine stability were obtained preliminarily. The effects of pressure distortion, altitude low Reynolds number, air bleeding and power extraction on critical complex total-pressure distortion descriptor are a fall of 11.11% of complex total-pressure distortion descriptor from altitude 1km to 18km and a fall of 14.69% from altitude 1km to 20km. It provides a testified platform and experimental database for aero-engine altitude aerodynamic stability.

     

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