A Low Order Flow Network Model for Double-Wall Effusion Cooling Systems [PDF]
International Journal of Turbomachinery, Propulsion and Power, 2022 The high pressure turbine nozzle guide vane of a modern aeroengine experiences large heat loads and thus requires both highly effective internal and external cooling. This can be accomplished with double-wall effusion cooling, which combines impingement,
Michael van de Noort, Peter Ireland
doaj +2 more sources
Combined effect of upstream ramp and effusion cooling in combustion chamber liners of gas turbine
Journal of Thermal Engineering, 2023 Effusion cooling technique is a highly efficient cooling method used to reduce the thermal stresses of combustion chamber liners in a gas turbine engine. The present study focuses on enhancing the adiabatic effectiveness of effusion cooling.
Yellu KUMAR +3 more
doaj +1 more source
Permian Large Igneous Provinces and Their Paleoenvironmental Effects
Geophysical Monograph Series, Page 417-434., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jun Chen, Yi‐Gang Xu
wiley +4 more sources
Review of Advanced Effusive Cooling for Gas Turbine Blades
Energies, 2022 Turbine inlet temperature has continuously increased to improve gas turbine performance during the past few decades. Although internal convection cooling and traditional film cooling have contributed significantly to the current achievement, advanced ...
Wen Wang +3 more
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Heat Transfer and Flow Performance of Impingement and Impingement/Effusion Cooling Systems [PDF]
Engineering and Technology Journal, 2015 The current experimental study is made to investigate the heat transfer characteristics and pressure losses for both impingement and impingement/effusion cooling systems.The experiments are carried out on a metal test plate.The numerical work is made to ...
Assim H. Yousif +2 more
doaj +1 more source
Case Studies in Thermal Engineering, 2022 The cooling performance of the impingent/effusion structure on the pressure side of nozzle guide vanes tested in an engine operating for the various duration of 100 h, 300 h, and 500 h was evaluated in this study via infrared thermal imaging.
Wei Zhang +5 more
doaj +1 more source
Case Studies in Thermal Engineering, 2022 Micro cooling utilizing the micro-sized cooling hole or a porous structure on the surface is a promising technology in cooling applications of gas turbine blades.
Mingeon Kim +3 more
doaj +1 more source
Flow characterization of microscale effusion and transpiration air cooling on single blade
Case Studies in Thermal Engineering, 2022 Micro cooling has drawn attention as the next-generation cooling technique that is better than film cooling for a high-temperature turbine blade. Not to reduce the gas turbine efficiency while having high blade cooling effectiveness, it recommends that ...
Mingeon Kim +3 more
doaj +1 more source
Experimental Study of Impingement Effusion-Cooled Double-Wall Combustor Liners: Thermal Analysis
Energies, 2021 A new experimental study is presented for a combustor with a double-wall cooling design. The inner wall at the hot gas side features effusion cooling with 7-7-7 laidback fan-shaped holes, and the outer wall at the cold side features an impingement hole ...
Thomas Jackowski +2 more
doaj +1 more source
International Journal of Turbomachinery, Propulsion and Power, 2021 To meet the challenges of increased thermal loads and performance demands on aero-engine turbine blades, more advanced cooling techniques are required. This study used a modification of the well-known Goldstein equation to predict film effectiveness for ...
Matthew Courtis +4 more
doaj +1 more source