Experimental Study of Impingement Effusion Cooled Double-Wall Combustor Liners: Aerodynamic Analysis with Stereo-PIV [PDF]
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 +4 more
doaj +2 more sources
Study of Tangential Effusion Cooling of a Combustor Liner [PDF]
Processes, 2023 Tangential effusion cooling of a combustor liner has a large difference from traditional effusion cooling on a plate. In this paper, numerical simulation is carried out to study the flow field, heat transfer characteristics and the factors affecting the cooling effectiveness of tangential effusion cooling of a combustor liner.
Ziwan Li +3 more
openalex +2 more sources
Parametric and Correlation Study of Effusion Cooling Applied to Gas Turbine Blades [PDF]
Applied SciencesTo pursue higher thermal efficiency in aero gas turbines, the contradiction between extreme high-temperature conditions and material temperature resistance limits has made advanced thermal management technologies crucial.
Jian Liu +3 more
doaj +2 more sources
Numerical Investigation of the Effects of the Hole Inclination Angle and Blowing Ratio on the Characteristics of Cooling and Stress in an Impingement/Effusion Cooling System [PDF]
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 +2 more sources
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 +2 more sources
Genetic Algorithm-Based Optimisation of a Double-Wall Effusion Cooling System for a High-Pressure Turbine Nozzle Guide Vane [PDF]
International Journal of Turbomachinery, Propulsion and PowerDouble-Wall Effusion Cooling schemes present an opportunity for aeroengine designers to achieve high overall cooling effectiveness and convective cooling efficiency in High-Pressure Turbine blades with reduced coolant usage compared to conventional ...
Michael van de Noort, Peter T. Ireland
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The Influence of the Relative Number of Impingement and Effusion Cooling Holes on Gas Turbine Combustor Wall Heat Transfer [PDF]
, 2017 The optimization of cooling hole geometry for combined impingement and effusion cooling of gas turbine combustors was investigated. The most common design is for there to be equal number of impingement and effusion holes.
Andrews, GE +3 more
core +2 more sources
High Resolution Experimental and Computational Methods for Modelling Multiple Row Effusion Cooling Performance [PDF]
International Journal of Turbomachinery, Propulsion and Power, 2018 The continuing rise in turbine entry temperatures has necessitated the development of ever-more advanced cooling techniques. Effusion cooling is an example of such a system and is characterised by a high density of film cooling holes that operate at low ...
Alexander V. Murray +4 more
doaj +2 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
Applied SciencesThe combustor liner of the modern aero-engine operates under extreme thermal loads with limited coolant supply, necessarily making efficient cooling approaches important.
Rongxing Zhang +7 more
doaj +2 more sources