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An investigation on the cooling characteristics of im**ement-reversed convection film cooling in a curved section

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Abstract

An experiment was designed at the curving section of a combustion chamber to study the effects of cooling effectiveness on im**ement-reversed convection film cooling with and without pin fins. Numerical simulations were also carried out. The effectiveness of compound cooling increased with the rise in blowing ratio. With regard to the effect of the pin fins, im**ement pin fin-reversed convectionfilm cooling was more effective than the method without pin fins, particularly for smaller blowing ratio conditions. The number and arrangement of fin pin rows had a small effect on cooling efficiency under the same blowing ratio value. Simulation results agreed well with experimental data and could be used to optimize basic design.

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Authors and Affiliations

  1. College of Energy and Power Engineering, Nan**g University of Aeronautics and Astronautics, Nan**g, 210016, China

    Weihua Yang

  2. Faculty of Infrastructure Engineering, Dalian University of Technology, 116024, China

    **angli Li

  3. Performance Test Center, Harbin Power System Engineering and Research Institute, Harbin, 150046, China

    Xue Liu

Authors
  1. Weihua Yang
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  2. **angli Li
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  3. Xue Liu
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Corresponding author

Correspondence to Weihua Yang.

Additional information

Recommended by Associate Editor Dongsik Kim

Weihua Yang is from the College of Energy and Power Engineering of Nan**g University of Aeronautics and Astronautics in China. He obtained his Ph.D. from Shanghai Jiaotong University in China. His research interests include experimental and numerical simulations of film cooling technology of turbo and enhanced heat transfer on aerospace and astronautic spacecraft. He has more than 10 papers published in international academic journals.

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Yang, W., Li, X. & Liu, X. An investigation on the cooling characteristics of im**ement-reversed convection film cooling in a curved section. J Mech Sci Technol 27, 1509–1517 (2013). https://doi.org/10.1007/s12206-013-0331-4

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  • DOI: https://doi.org/10.1007/s12206-013-0331-4

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