2023
DOI: 10.3389/fmech.2022.973293
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Film-cooling hole optimization and experimental validation considering the lateral pressure gradient

Abstract: The flow in the turbine endwall region consists of the complicated secondary flow structures driven by the lateral pressure gradient, which heavily affects the performance of film cooling. In this work, the film-cooling hole design optimization is performed considering the existence of the lateral pressure gradient in the real flow environment. Results have shown that the optimal film-cooling hole design is heavily influenced by the lateral pressure gradient in the endwall region, especially the compound angle… Show more

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Cited by 4 publications
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“…Currently, turbine blades widely employ thermal barrier coatings (TBCs) and incorporate composite film cooling techniques, utilizing single-crystal hollow blades. These advancements significantly bolster the blades' capacity to withstand elevated temperatures [1,2], as illustrated in Figure 1.…”
Section: Introductionmentioning
confidence: 96%
“…Currently, turbine blades widely employ thermal barrier coatings (TBCs) and incorporate composite film cooling techniques, utilizing single-crystal hollow blades. These advancements significantly bolster the blades' capacity to withstand elevated temperatures [1,2], as illustrated in Figure 1.…”
Section: Introductionmentioning
confidence: 96%