Numerical Investigation on Leading Edge of Film Cooling Blade with Different Turbulence and Blowing Ratios

Shao Hua Li; Ge Wu; Ling Zhang

doi:10.4028/www.scientific.net/AMR.1070-1072.1731

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1070-1072Numerical Investigation on Leading Edge of Film...

Numerical Investigation on Leading Edge of Film Cooling Blade with Different Turbulence and Blowing Ratios

Abstract:

In order to investigate the influence of cooling efficiency of leading edge of film cooling blade with different turbulence intensity and blowing ratios,which use method of N-S equation,various blowing ratios of 1.0、1.5 and 2.0,various turbulence intensity of 5%、12%、20% and 30%,it simulated temperature field in leading edge of film cooling blade.The results show: cooling efficiency decreased when blowing ratios is increased.When turbulence intensity is 5%、12% and 20%,it obtains maximum cooling efficiency blowing ratios of 1.0.When turbulence intensity is 30%,it obtains maximum cooling efficiency blowing ratios of 1.5. In blowing ratios of 1.0,cooling efficiency decreased when turbulence increased.But in blowing ratios of 1.5 and 2.0,cooling efficiency increased when turbulence increased.

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Periodical:

Advanced Materials Research (Volumes 1070-1072)

Pages:

1731-1734

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1070-1072.1731

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Online since:

December 2014

Authors:

Shao Hua Li, Ge Wu, Ling Zhang

Keywords:

Cooling Efficiency, Film Cooling, Turbulence Intensity

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References

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