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Experiments of flow and heat transfer performances for air-cooling laminated turbine vane

WU Xiang-yu TAO Zhi DU Zhi-neng ZHANG Shu-lin YOU Hong-de

WU Xiang-yu, TAO Zhi, DU Zhi-neng, ZHANG Shu-lin, YOU Hong-de. Experiments of flow and heat transfer performances for air-cooling laminated turbine vane[J]. 航空动力学报, 2014, (5): 1008-1013.
引用本文: WU Xiang-yu, TAO Zhi, DU Zhi-neng, ZHANG Shu-lin, YOU Hong-de. Experiments of flow and heat transfer performances for air-cooling laminated turbine vane[J]. 航空动力学报, 2014, (5): 1008-1013.
WU Xiang-yu, TAO Zhi, DU Zhi-neng, ZHANG Shu-lin, YOU Hong-de. Experiments of flow and heat transfer performances for air-cooling laminated turbine vane[J]. Journal of Aerospace Power, 2014, (5): 1008-1013.
Citation: WU Xiang-yu, TAO Zhi, DU Zhi-neng, ZHANG Shu-lin, YOU Hong-de. Experiments of flow and heat transfer performances for air-cooling laminated turbine vane[J]. Journal of Aerospace Power, 2014, (5): 1008-1013.

Experiments of flow and heat transfer performances for air-cooling laminated turbine vane

详细信息
    作者简介:

    WU Xiang-yu,E-mail:wxy6998@sina.com

  • 中图分类号: V235

Experiments of flow and heat transfer performances for air-cooling laminated turbine vane

  • 摘要: Flow resistance and heat transfer coefficients of typical double wall laminated film cooling configuration within a turbine vane were experimentally studied. The specimen was in large scale, and made of transparent organic glass. Laminated configuration consisted of double wall laminates, pin-fins, staggered arrays of impingement and film holes. The number ratio of impingement holes, pin-fins and film holes was 2:1:1. Five experiment vanes were installed in static cascade, and experiments were carried out under constant heat flux. Re of internal cooling air in the experiment was from 104 to 2×105, and Re of external fluid was from 105 to 3×105. The experiment results show that flow resistances of front channel and back channel of the vane are in the same level, and both of them decrease as Re of cooling air increases. Nu of front channel is slightly higher than that of back channel. Both of them increase as Re of cooling air increases. And experiment results were obtained from experiment vanes were compared with that obtained from laminated flat plates, and the tendency of the results agrees well.

     

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出版历程
  • 收稿日期:  2013-12-24
  • 刊出日期:  2014-05-28

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