Volume 20 Issue 4
Aug.  2005
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Article Navigation >  Journal of Aerospace Power  > 2005  >  20(4): 540-544
JIANG Xue-hui, ZHAO Xiao-lu. The Effect of Unsteady Wake on Leading Edge Film Cooling[J]. Journal of Aerospace Power, 2005, 20(4): 540-544.
Citation: JIANG Xue-hui, ZHAO Xiao-lu. The Effect of Unsteady Wake on Leading Edge Film Cooling[J]. Journal of Aerospace Power, 2005, 20(4): 540-544.
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The Effect of Unsteady Wake on Leading Edge Film Cooling

  • 1.

    Institute of Engineering Thermophysics,Beijing100080,China

  • 2.

    Graduate School,Chinese Academy of Science,Beijing100080,China

  • Received Date: 2004-09-03
  • Rev Recd Date: 2004-12-20
  • Publish Date: 2005-08-28
    Abstract
  • Numerical simulations were performed to study the affect of unsteady wake on leading edge film cooling.The calculated film cooling effectiveness was compared with the experimental results.The unsteady numerical simulation shows that the stagnation point moving to the cooling flow slit causes the cooling flow to diverge when the unsteady wake swept through the film-cooling slit.The divergence of the cooling flow results in sharply decreasing of the film cooling effectiveness downstream the film-cooling slit.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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