Results 1 to 10 of about 243,473 (208)
The Effect of Daylighting Strategies on Building Cooling Loads and Overall Energy
, 1986 Johnson, R. +3 more
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The Effects of Channel Supplies on Overall Film-Cooling Effectiveness
Volume 7A: Heat Transfer — Combustors; Film Cooling, 2023Abstract Cooling components in the hot section of a gas turbine is essential to component durability. Common methods of cooling include rib turbulators in internal passages and film cooling on external surfaces. The holes that produce the film cooling are fed from the internal channels often containing ribs.
Emma M. Veley +2 more
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Overall Cooling Effectiveness With Internal Serpentine Channels and Optimized Film Cooling Holes
Journal of Turbomachinery, 2023Abstract The overall cooling effectiveness for gas turbine airfoils is a function of the combined cooling due to internal cooling configurations and film cooling configurations. Typically, film cooling configurations are evaluated independent of the cooling effects of the internal feed channels, generally based on adiabatic effectiveness
Christopher Yoon +3 more
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International Journal of Heat and Mass Transfer, 2020
Abstract The effects of geometrical parameters on overall cooling effectiveness were experimentally investigated on the flat plate with impingement/effusion cooling. Geometrical parameters investigated included two relative positions of impingement and effusion holes (staggered arrangement and overlapped arrangement) and three impingement gap ...
Gang Xie +5 more
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Abstract The effects of geometrical parameters on overall cooling effectiveness were experimentally investigated on the flat plate with impingement/effusion cooling. Geometrical parameters investigated included two relative positions of impingement and effusion holes (staggered arrangement and overlapped arrangement) and three impingement gap ...
Gang Xie +5 more
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Journal of Thermal Science and Engineering Applications, 2021
Abstract Increasing interest in the use of ceramic matrix composites (CMCs) for gas turbine engine hot gas path components requires a thorough examination of the thermal behavior one may expect of such components. Their highly anisotropic thermal conductivity is a substantial departure from traditional metallic components and can ...
Carol E. Bryant, James L. Rutledge
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Abstract Increasing interest in the use of ceramic matrix composites (CMCs) for gas turbine engine hot gas path components requires a thorough examination of the thermal behavior one may expect of such components. Their highly anisotropic thermal conductivity is a substantial departure from traditional metallic components and can ...
Carol E. Bryant, James L. Rutledge
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Volume 7A: Heat Transfer, 2020
Abstract Emphasis on lean premixed combustion in modern low NOx combustion chambers limits the availability of air for cooling the combustion liner. Hence the development of optimized liner cooling designs is imperative for effective usage of available coolant.
Yin-Hsiang Ho +5 more
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Abstract Emphasis on lean premixed combustion in modern low NOx combustion chambers limits the availability of air for cooling the combustion liner. Hence the development of optimized liner cooling designs is imperative for effective usage of available coolant.
Yin-Hsiang Ho +5 more
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Adiabatic and Overall Effectiveness for a Film Cooled Blade
Volume 2: Turbo Expo 2004, 2004Laboratory studies of film cooling performance for turbine section airfoils typically quantify adiabatic effectiveness and occasionally the heat transfer coefficient for the film cooling configuration. In this study the normalized airfoil metal surface temperatures are obtained directly by using a test model that has a material conductivity scaled to ...
Jason E. Albert +2 more
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Overall Cooling Effectiveness on a Gas Turbine Vane With Swirl-Film Cooling
Volume 5A: Heat Transfer, 2019Abstract Numerical calculation of conjugate heat transfer is carried out to study the effect of combined film and swirl cooling at the leading edge of a gas turbine vane with a a cooling chamber inside, in which 3-D steady RANS approach with the k-ω SST turbulence model is used.
Haifen Du +4 more
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