Results 1 to 10 of about 3,883 (153)
Energies, 2023 Due to the uneven temperature field and temperature gradient introduced by an efficient cooling structure, the analysis of the stress field is necessary. In this study, the cooling characteristics and stress characteristics such as the thermal stress and
Haiwang Li +4 more
doaj +6 more sources
Influence of inhomogeneous porosity on effusion cooling [PDF]
International Journal of Heat and Mass Transfer, 2019 Abstract Effusion cooling is an effective cooling technology which is considered as the next logical step of the cooling technology for gas turbine blades. Additive manufacturing technology makes it possible to fabricate effusion cooling structures in gas turbine blades with the optimal parameters and a low cost.
Gan Huang
exaly +3 more sources
Effect of Holes Arrangement on Effusion Cooling Performance [PDF]
Engineering and Technology Journal, 2014 The present work concentrates on the experimental investigation of effusion cooling performance for different whole pitch ratios. The film cooling effectiveness and local heat transfer coefficient for difference jet holes arrangement have been ...
Muwafag Sh. Alwan, Reyadh Ch. Al-Zachary
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
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
doaj +1 more source
A Low Order Flow Network Model for Double-Wall Effusion Cooling Systems
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 +1 more source
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
Effects of Manufacturing Tolerances on Double-Wall Effusion Cooling
Journal of Turbomachinery, 2023 Abstract As aeroengine designers seek to raise turbine entry temperatures for greater thermal efficiencies, novel cooling schemes are required to ensure that components can survive in increasingly hotter environments. By utilizing a combination of impingement cooling, pin-fin cooling, and effusion cooling, double-wall effusion cooling is
van de Noort, M +2 more
openaire +2 more sources