Volume 28 Issue 5
May  2013
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Article Navigation >  Journal of Aerospace Power  > 2013  >  28(5): 1134-1141
ZHAI Xiao-lei, PENG Ri-liang, FAN Wei-jun, ZHANG Rong-chun, WANG Wei-jian. Numerical simulation on a certain trapped vortex combustor[J]. Journal of Aerospace Power, 2013, 28(5): 1134-1141.
Citation: ZHAI Xiao-lei, PENG Ri-liang, FAN Wei-jun, ZHANG Rong-chun, WANG Wei-jian. Numerical simulation on a certain trapped vortex combustor[J]. Journal of Aerospace Power, 2013, 28(5): 1134-1141.
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Numerical simulation on a certain trapped vortex combustor

  • 1.

    National Key Laboratory of Science and Technology on Aero-Engine Aero-thermodynamics, School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • 2.

    Datang International Yungang Thermal Power Limited Liability Company, Datang International Power Generation Corporation Limited, Datong Shanxi 037039, China

  • Received Date: 2012-05-16
  • Publish Date: 2013-05-28
    Abstract
  • A fuel injector was designed for a certain type of trapped vortex combustor.Then,experiments were conducted to check its atomizing performance under various conditions,including different gas to liquid ratios,gas pressures and liquid pressures.The cold and hot simulations of the combustor were conducted to study the performance,and the velocity field,the temperature field and mass fraction distribution of the combustor were obtained.The simulation results show that the combustor is reasonably designed with compact structure and high combustion efficiency.The wall temperature distribution of the cavity is ideal.The changing regularity of the pressure loss and the outlet temperature distribution were obtained by numerical simulation and experimental research.The total pressure loss of the combustor is a bit larger and the temperature distribution of outlet is uniform.The results can provide relevent reference for the engineering application of the trapped vortex combustor.

     

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