Numerical study of 3D heat transfer for turbine blade with air cooling

被引：0
|
作者：
Zhang, Li-Fen [1 ]
Liu, Zhen-Xia [1 ]
Lian, Xiao-Chun [1 ]
机构：
[1] School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072, China
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2007年 / 22卷 / 08期
关键词：
Aerospace engineering - Elementary particle sources - Heat radiation - Heat transfer - Temperature distribution;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A coupled flow-thermal model was established for 3D heat transfer of turbine blade with air cooling. Radiation heat was added into the energy equation as a source of heat radiation. Using coupled flow-thermal model, 3-D conjugated heat transfer for turbine blade with air cooling was accomplished. And, heat radiation was solved with P-1 model. The different surface temperatures and temperature distributions of the blades with/without heat radiation was compared. The results show that, for high-temperature gas at 1600 K, heat radiation is a significant heat source. If radiation heat is considered, the surface temperature of the blade is improved greatly, leading to obvious difference of temperature distribution.
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页码：1268 / 1272
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