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Film cooling effectiveness in hypersonic turbulent flow
AIAA Journal, 1970Film cooling effectiveness in hypersonic turbulent flow from downstream surface equilibrium temperature ...
AUBREY M. CARY, JERRY N. HEFNER
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Heat Transfer, 2019
Film cooling technique has been widely applied to protect gas turbine blades from high temperature combustion gases. In this study, to improve the cooling effectiveness of fan-shaped film cooling holes, the effect of the main shape parameters on the ...
H. Seo, S. H. Park, J. Kwak, Y. Kang
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Film cooling technique has been widely applied to protect gas turbine blades from high temperature combustion gases. In this study, to improve the cooling effectiveness of fan-shaped film cooling holes, the effect of the main shape parameters on the ...
H. Seo, S. H. Park, J. Kwak, Y. Kang
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Journal of heat transfer, 2019
This study investigates the effects of blowing ratio, density ratio, and spanwise pitch on the flat plate film cooling from two rows of compound angled cylindrical holes.
Nian Wang +3 more
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This study investigates the effects of blowing ratio, density ratio, and spanwise pitch on the flat plate film cooling from two rows of compound angled cylindrical holes.
Nian Wang +3 more
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Numerical study on film cooling effectiveness from spiral-channel hole
International Communications in Heat and Mass Transfer, 2023Yuhao Jia +4 more
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Enhanced Film Cooling Effectiveness With Surface Trenches
Volume 3B: Heat Transfer, 2013In this study, cylindrical and fan shaped film cooling holes are evaluated on the blade surface numerically, using the Computational Fluid Dynamics (CFD) tool ANSYS-CFX, with the objective of improving cooling effectiveness by understanding the flow pattern at the cooling hole exit.
K. Vighneswara Rao +6 more
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Cooling Effectiveness on Film Cooled Turbine Blades
Heat Transfer: Volume 5 — Computational, Aerospace and Environmental Heat Transfer, 2001Abstract This paper presents experiments on the cooling effectiveness obtained for two different injection locations on the suction side of a turbine blade at transonic flow conditions. Previous results of a computational analysis and flow visualization indicated that a separation bubble is present on the suction side at a location x/L =
M. Derrar, J. Nagler, W. W. Koschel
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International Journal of Heat and Mass Transfer, 2022
A. Zamiri, J. Chung
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A. Zamiri, J. Chung
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Journal of turbomachinery, 2018
Leakage flow between the rotating turbine blade tip and the fixed casing causes high heat loads and thermal stress on the tip and near the tip region. For this study, new squealer tips called partial cavity tips, which combine the advantages of plane and
J. Jeong, Woobin Kim, J. Kwak, J. Park
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Leakage flow between the rotating turbine blade tip and the fixed casing causes high heat loads and thermal stress on the tip and near the tip region. For this study, new squealer tips called partial cavity tips, which combine the advantages of plane and
J. Jeong, Woobin Kim, J. Kwak, J. Park
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The Effect of High Free-Stream Turbulence on Film Cooling Effectiveness
Journal of Turbomachinery, 1994This study investigated the adiabatic wall cooling effectiveness of a single row of film cooling holes injecting into a turbulent flat plate boundary layer below a turbulent, zero pressure gradient free stream. Levels of free-stream turbulence (Tu) up to 17.4 percent were generated using a method that simulates conditions at a gas turbine combustor ...
Jeffrey P. Bons +2 more
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