Optimized inlet geometry of a laidback fan-shaped film cooling hole – Experimental study of film cooling performance
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2018.09.035
Abstract: Abstract The orientation of an internal coolant channel with respect to the external hot gas flow has a major impact on film cooling performance. Previous studies reported a considerable decrease of cooling performance with perpendicular… read more here.
Keywords: cooling hole; cooling performance; film cooling; geometry ... See more keywords
Deformation Prediction Theory of Thermal Barrier Coatings near Cooling Holes under Thermal Cycling
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.3c00307
Abstract: Thermal barrier coating (TBC) systems are widely adopted in gas turbine blades to improve the thermal efficiency of gas turbine engines. However, TBC failure will happen due to the thermal stress between the different layers… read more here.
Keywords: deformation; layer theoretical; model; thermal barrier ... See more keywords
Effect of Inlet Compound Angle of Backward Injection Film Cooling Hole
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DOI: 10.3390/en13040808
Abstract: Backward injection film cooling holes were studied to improve film cooling effectiveness using simple cylindrical holes, and this principle was applied to an actual gas turbine. Although film cooling effectiveness was improved using a backward… read more here.
Keywords: film cooling; backward injection; cooling hole; film ... See more keywords
Effect of Mainstream Velocity on the Optimization of a Fan-Shaped Film-Cooling Hole on a Flat Plate
Sign Up to like & getrecommendations! Published in 2021 at "Energies"
DOI: 10.3390/en14123573
Abstract: In this study, the effect of mainstream velocity on the optimization of a fan-shaped hole on a flat plate was experimentally investigated. The experiment was conducted by changing the forward expansion angle (βfwd), lateral expansion… read more here.
Keywords: effect; cooling hole; mainstream velocity; film cooling ... See more keywords