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Recent advances in film cooling enhancement:A review

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Film cooling is an indispensable scheme in the design of highly-efficient cooling configurations to satisfy the thermal protection requirement of turbine hot section components.During the last few decades,vast efforts have been paid on the discrete-hole film cooling enhancement.In this paper,some of the recent literatures related to the passive strategies (such as shaped film cooling holes,upstream ramps,shallow trenches,mesh-fed slots) and the active strategies (such as the use of pulsation modulating device or plasma actuator) for film cooling enhancement are surveyed,with the aim at presenting an updated overview about the state of the art in advanced film cooling.In addition,some challenging issues are also outlined to motivate further investigations in such a broad topic.

Active strategyCooling capacityDiscrete-hole film coolingFilm cooling enhancementJet-in-crossflowPassive strategy

Jingzhou ZHANG、Shengchang ZHANG、Chunhua WANG、Xiaoming TAN

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Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

authors gratefully acknowledge the financial support for this project from the National Natural Science Foundation of Chinaauthors gratefully acknowledge the financial support for this project from the National Natural Science Foundation of Chinaauthors gratefully acknowledge the financial support for this project from the National Natural Science Foundation of ChinaNational Science and Technology Major Project,China

Nos.U1508212517060972017-Ⅲ-0011-0037

2020

中国航空学报(英文版)
中国航空学会

中国航空学报(英文版)

CSTPCDCSCDSCIEI
影响因子：0.847
ISSN：1000-9361
年,卷(期)：2020.33(4)
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