Effects of Cooling Air on Performance of Turbine Blade Based on CHT Simulation

Jing Li; Zhen Xia Liu; Zhong Ren

doi:10.4028/www.scientific.net/AMM.184-185.184

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 184-185Effects of Cooling Air on Performance of Turbine...

Effects of Cooling Air on Performance of Turbine Blade Based on CHT Simulation

Abstract:

A numerical model for conjugate heat transfer (CHT) simulation is established for a turbine blade with air cooling, and 3D heat transfer simulation is accomplished. Effects of different amount of cooling air on the surface temperature distribution, work, efficiency of turbine blade is studied. The results show that the surface temperature drops quickly with the increase of cooling air at beginning and then become mild, the blade work goes up, the efficiency goes down.

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Periodical:

Applied Mechanics and Materials (Volumes 184-185)

Pages:

184-187

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.184-185.184

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Online since:

June 2012

Authors:

Jing Li, Zhen Xia Liu, Zhong Ren

Keywords:

Blade Work, Conjugate Heat Transfer, Cooling Air, Efficiency, Surface Temperature, Turbine Blade

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