Leading Edge Film Cooling Enhancement for an Inlet Guide Vane with Fan- Shaped Holes

This paper describes the improvement of leading edge film cooling effectiveness for a turbine inlet guide vane by using fan-shaped film cooling holes. The modification details are presented in comparison with the base-line configuration of cylindrical holes. Numerical simulations were carried out fo...

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Published in:Journal of thermal science 2010-12, Vol.19 (6), p.514-518
Main Authors: Liu, Jian-Jun, An, Bai-Tao, Liu, Jie, Zhan, W.
Format: Article
Language:English
Subjects:
CFX软件
Classical and Continuum Physics
Engineering Fluid Dynamics
Engineering Thermodynamics
Heat and Mass Transfer
Physics
Physics and Astronomy
主导产品
冷却叶片
冷却效率
扇形孔
气膜冷却
边缘增强
进口导叶
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cited_by cdi_FETCH-LOGICAL-c315t-eea5b4e1d70dc6234d2aa3967e1b4937b3d897f89cc082fd876d5b07f7f5a1113
cites cdi_FETCH-LOGICAL-c315t-eea5b4e1d70dc6234d2aa3967e1b4937b3d897f89cc082fd876d5b07f7f5a1113
container_end_page 518
container_issue 6
container_start_page 514
container_title Journal of thermal science
container_volume 19
creator Liu, Jian-Jun
An, Bai-Tao
Liu, Jie
Zhan, W.
description This paper describes the improvement of leading edge film cooling effectiveness for a turbine inlet guide vane by using fan-shaped film cooling holes. The modification details are presented in comparison with the base-line configuration of cylindrical holes. Numerical simulations were carried out for the base-line and modified configurations by using CFX, in which the k-ε turbulence model and scalable wall function were chosen. Contours of adiabatic film cooling effectiveness on the blade surfaces and span-wise distributions of film cooling effectiveness downstream the rows of cooling holes interested for the different cooling configurations were compared and discussed. It is showed that with the use of fan-shaped cooling holes around the leading edge, the adiabatic film cooling effectiveness can be enhanced considerably. In comparison with the cylindrical film cooling holes, up to 40% coolant mass flow can be saved by using fan-shaped cooling holes to obtain the comparable film cooling effectiveness for the studied inlet guide vane.
doi_str_mv 10.1007/s11630-010-0417-6
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source Springer Nature
subjects CFX软件
Classical and Continuum Physics
Engineering Fluid Dynamics
Engineering Thermodynamics
Heat and Mass Transfer
Physics
Physics and Astronomy
主导产品
冷却叶片
冷却效率
扇形孔
气膜冷却
边缘增强
进口导叶
title Leading Edge Film Cooling Enhancement for an Inlet Guide Vane with Fan- Shaped Holes
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