Effect of purge flow on endwall flow and heat transfer characteristics of a gas turbine blade
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- 作者：Liming Song ; Peiyuan Zhu ; Jun Li ; junli@mail.xjtu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Zhenping Feng
- 关键词：Purge flow ; Film cooling ; Endwall heat transfer ; Gas turbine blade ; Secondary vortexes ; Numerical simulation
- 刊名：Applied Thermal Engineering
- 出版年：2017
- 出版时间：5 January 2017
- 年：2017
- 卷：110
- 期：Complete
- 页码：504-520
- 全文大小：6457 K
文摘
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We numerically investigate the endwall with upstream slot for a gas turbine blade.
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The influences of mass flow ratio of purge flow and ejection angle of slot have been studied.
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The flow structure near the endwall with purge flow is further discussed and presented.
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The effects of the purge flow on the endwall film cooling, heat transfer characteristics and aerodynamic losses are studied.
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