Volume 28 Issue 3
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TANG Shi-jian, TONG Wan-jun. Turbofan engine transient modeling based on inter-component volume method[J]. Journal of Aerospace Power, 2013, 28(3): 709-713.
Citation: TANG Shi-jian, TONG Wan-jun. Turbofan engine transient modeling based on inter-component volume method[J]. Journal of Aerospace Power, 2013, 28(3): 709-713.
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Turbofan engine transient modeling based on inter-component volume method

  • Gas Turbine Establishment of China, Aviation Industry Corporation of China, Chengdu 610500, China

  • Received Date: 2012-04-06
  • Publish Date: 2013-03-28
    Abstract
  • The effect of mass and energy storage in a volume was considered. A modeling approach for real time turbofan engine model was presented by employed inter-component volume (ICV) method. The pressure and temperature differential equations were established. The pressure and temperature were calculated through numerical integral without iterative. A turbofan engine transient model was coded by means of employing the solver equations and C++ programming language. By comparison, the calculation results have quite remarkable consistency with those results calculated by Gasturb 10 which is famous commercial software in aero-engine. The simulation results show that the maximum relative errors of high pressure compressor,turbine inlet temperature and the surge margin of compressor are within 1% and ICV method avoids iterative so the computer's running time is evidently reduced.

     

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