Paper Title:
Impact of Different Film-Cooling Modes at Trailing Edge on the Aerodynamic Performance of Heavy Duty Gas Turbine Cascade
  Abstract

In this paper, the trailing edge film cooling flow field of a heavy duty gas turbine cascade has been studied by central difference scheme and multi-block grid technique. The research is based on the three-dimensional N-S equation solver. By way of analysis of the temperature field, the distribution of profile pressure, and the distribution of film-cooling adiabatic effectiveness in the region of trailing edge with different cool air injection mass and different angles, it is found that the impact on the film-cooling adiabatic effectiveness is slightly by changing the injection mass. The distribution of profile pressure dropped intensely at the pressure side near the injection holes line with the large mass cooling air. The cooling effect is good in the region of trailing edge while the injection air is along the direction of stream.

  Info
Periodical
Chapter
Energy Efficiency, Environment Ecology
Edited by
Aimin Yang, Jingguo Qu and Xilong Qu
Pages
259-263
DOI
10.4028/www.scientific.net/AMM.84-85.259
Citation
X. Liu, S. T. Wang, X. Zhou, G. T. Feng, "Impact of Different Film-Cooling Modes at Trailing Edge on the Aerodynamic Performance of Heavy Duty Gas Turbine Cascade", Applied Mechanics and Materials, Vols. 84-85, pp. 259-263, 2011
Online since
August 2011
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$32.00
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