Volume 29 Issue 3
Mar.  2014
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XU Bin, LIU Bo, YANG Shi-chun, JI Fen-zhu. Optimization analysis of a aircraft piston engine intake and exhaust system[J]. Journal of Aerospace Power, 2014, 29(3): 624-630. doi: 10.13224/j.cnki.jasp.2014.03.020
Citation: XU Bin, LIU Bo, YANG Shi-chun, JI Fen-zhu. Optimization analysis of a aircraft piston engine intake and exhaust system[J]. Journal of Aerospace Power, 2014, 29(3): 624-630. doi: 10.13224/j.cnki.jasp.2014.03.020

Optimization analysis of a aircraft piston engine intake and exhaust system

doi: 10.13224/j.cnki.jasp.2014.03.020
  • Received Date: 2012-12-28
  • Publish Date: 2014-03-28
  • To meet the power requirement of small high altitude aircraft, the intake and exhaust system flow uniform of a aircraft piston engine was analyzed. Simulation model of the aircraft piston engine was established, and the effects of intake and exhaust pipe structural parameters on engine performance were analyzed. The intake mass flow unevenness and pressure fluctuations were chosen as evaluating indicators to optimize the structural parameters of the engine's intake and exhaust system. By changing the length of intake manifold and duct, the unevenness is reduced to less than 5%, and the biggest decrease amplitude is 38%; the engine power and torque are improved by 5%.

     

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