Volume 26 Issue 1
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WANG Qiang, GUO Zhao-yuan, ZHOU Chi, FENG Guo-tai. Coupled heat transfer simulations of an air-cooled turbine with single cooling channel[J]. Journal of Aerospace Power, 2011, 26(1): 78-84.
Citation: WANG Qiang, GUO Zhao-yuan, ZHOU Chi, FENG Guo-tai. Coupled heat transfer simulations of an air-cooled turbine with single cooling channel[J]. Journal of Aerospace Power, 2011, 26(1): 78-84.
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Coupled heat transfer simulations of an air-cooled turbine with single cooling channel

  • 1.

    School of Mechatronics Engineering, North University of China,Taiyuan 030051,China

  • 2.

    The 705th Research Institute, China Shipbuilding Industry Corporation,Xian 710075,China

  • 3.

    School of Energy Science and Engineering, Harbin Institute of Technology,Harbin 150001,China

  • 4.

    School of Energy Science and Engineering, Harbin Institute of Technology,Harbin 150001,China

  • Received Date: 2009-12-02
  • Rev Recd Date: 2010-03-08
  • Publish Date: 2011-01-28
    Abstract
  • The developed coupled solver HIT-3D was applied to the coupled heat transfer simulations of an air-cooled turbine with single cooling channel.Different turbulence and transition models were utilized.The numerical results validated the ability of the developed solver in the engineering simulation.Then a method combining the coupled heat transfer and engineering design techniques was developed to reduce the computational loads of simulations of turbines with complex cooling systems.With the same test case mentioned above,such method was validated,and the influences of rough inner wall on the blade thermal load were investigated.The results show that the transition model predicts lower vane thermal load than the full turbulence models at the transition zones on the vane surface,and that the developed method can greatly reduce the computational load during the turbine design.

     

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