Matches in SemOpenAlex for { <https://semopenalex.org/work/W4237051661> ?p ?o ?g. }
- W4237051661 abstract "In a gas turbine, the casing endwall moves relative to the blades. In this paper, numerical methods are first validated using experimental results for a stationary endwall. They are then used to study the effects of endwall motion on the aero-thermal performance of both winglet tips with and without tip film cooling at a tip gap of 1.9% C. The endwall motion imposes a tangential force on the flow. A scraping vortex is formed and the flow pattern within the tip gap changes significantly. The tip leakage mass flow rate that exits the tip gap from the suction side edge reduces by about 42% with endwall motion. Overall, the endwall motion reduces the tip leakage loss by 15%. The flow field downstream of the cascade also changes with endwall motion. With endwall motion, the changed flow pattern within the tip gap significantly changes the distribution of the Nusselt number on the winglet tip. For the winglet tip without tip film cooling, the Nusselt number and the heat load decrease with endwall motion. This is mainly due to the reduction in the tip leakage mass flow ratio, which reduces the leakage velocity over the tip. On the winglet tip with tip film cooling, the cooling effectiveness increases by 9% with endwall motion. Combined with the reduced Nusselt number, the heat flux on the winglet tip with tip film cooling reduces by 31% with endwall motion. The cooling effectiveness on the near tip region of the pressure side remains almost unchanged, however, the heat flux rate in this area reduces. This is because the reduced tip leakage mass flow ratio reduces the Nusselt number. With the moving endwall, the thermal performance of the suction side surface of the blade is affected by the scraping vortex. The effects of endwall motion should be considered during the design of the blade tip." @default.
- W4237051661 created "2022-05-12" @default.
- W4237051661 creator A5011561991 @default.
- W4237051661 creator A5015496680 @default.
- W4237051661 creator A5029130912 @default.
- W4237051661 creator A5083998986 @default.
- W4237051661 date "2012-09-17" @default.
- W4237051661 modified "2023-10-02" @default.
- W4237051661 title "Effects of Endwall Motion on the Aero-Thermal Performance of a Winglet Tip in a HP Turbine" @default.
- W4237051661 cites W1963520074 @default.
- W4237051661 cites W1969408311 @default.
- W4237051661 cites W1971479071 @default.
- W4237051661 cites W1984339478 @default.
- W4237051661 cites W2011718931 @default.
- W4237051661 cites W2024014857 @default.
- W4237051661 cites W2036572612 @default.
- W4237051661 cites W2051059400 @default.
- W4237051661 cites W2055151244 @default.
- W4237051661 cites W2067136526 @default.
- W4237051661 cites W2069174981 @default.
- W4237051661 cites W2072679826 @default.
- W4237051661 cites W2080806228 @default.
- W4237051661 cites W2093374973 @default.
- W4237051661 cites W2122992009 @default.
- W4237051661 cites W2147191499 @default.
- W4237051661 cites W2163579565 @default.
- W4237051661 cites W2315137173 @default.
- W4237051661 cites W2381993691 @default.
- W4237051661 cites W4205123347 @default.
- W4237051661 cites W4238903538 @default.
- W4237051661 cites W4239174780 @default.
- W4237051661 cites W4239416524 @default.
- W4237051661 cites W4241692334 @default.
- W4237051661 cites W4247240977 @default.
- W4237051661 cites W4247309154 @default.
- W4237051661 cites W4253191373 @default.
- W4237051661 cites W4254305722 @default.
- W4237051661 doi "https://doi.org/10.1115/1.4006302" @default.
- W4237051661 hasPublicationYear "2012" @default.
- W4237051661 type Work @default.
- W4237051661 citedByCount "26" @default.
- W4237051661 countsByYear W42370516612014 @default.
- W4237051661 countsByYear W42370516612015 @default.
- W4237051661 countsByYear W42370516612016 @default.
- W4237051661 countsByYear W42370516612017 @default.
- W4237051661 countsByYear W42370516612018 @default.
- W4237051661 countsByYear W42370516612019 @default.
- W4237051661 countsByYear W42370516612021 @default.
- W4237051661 countsByYear W42370516612022 @default.
- W4237051661 countsByYear W42370516612023 @default.
- W4237051661 crossrefType "journal-article" @default.
- W4237051661 hasAuthorship W4237051661A5011561991 @default.
- W4237051661 hasAuthorship W4237051661A5015496680 @default.
- W4237051661 hasAuthorship W4237051661A5029130912 @default.
- W4237051661 hasAuthorship W4237051661A5083998986 @default.
- W4237051661 hasConcept C121332964 @default.
- W4237051661 hasConcept C127413603 @default.
- W4237051661 hasConcept C130230704 @default.
- W4237051661 hasConcept C13393347 @default.
- W4237051661 hasConcept C139719470 @default.
- W4237051661 hasConcept C140820882 @default.
- W4237051661 hasConcept C162324750 @default.
- W4237051661 hasConcept C182748727 @default.
- W4237051661 hasConcept C192562407 @default.
- W4237051661 hasConcept C196558001 @default.
- W4237051661 hasConcept C2777042071 @default.
- W4237051661 hasConcept C2777096023 @default.
- W4237051661 hasConcept C4164206 @default.
- W4237051661 hasConcept C57879066 @default.
- W4237051661 hasConcept C66938386 @default.
- W4237051661 hasConceptScore W4237051661C121332964 @default.
- W4237051661 hasConceptScore W4237051661C127413603 @default.
- W4237051661 hasConceptScore W4237051661C130230704 @default.
- W4237051661 hasConceptScore W4237051661C13393347 @default.
- W4237051661 hasConceptScore W4237051661C139719470 @default.
- W4237051661 hasConceptScore W4237051661C140820882 @default.
- W4237051661 hasConceptScore W4237051661C162324750 @default.
- W4237051661 hasConceptScore W4237051661C182748727 @default.
- W4237051661 hasConceptScore W4237051661C192562407 @default.
- W4237051661 hasConceptScore W4237051661C196558001 @default.
- W4237051661 hasConceptScore W4237051661C2777042071 @default.
- W4237051661 hasConceptScore W4237051661C2777096023 @default.
- W4237051661 hasConceptScore W4237051661C4164206 @default.
- W4237051661 hasConceptScore W4237051661C57879066 @default.
- W4237051661 hasConceptScore W4237051661C66938386 @default.
- W4237051661 hasIssue "6" @default.
- W4237051661 hasLocation W42370516611 @default.
- W4237051661 hasOpenAccess W4237051661 @default.
- W4237051661 hasPrimaryLocation W42370516611 @default.
- W4237051661 hasRelatedWork W1808650838 @default.
- W4237051661 hasRelatedWork W1985820807 @default.
- W4237051661 hasRelatedWork W2083717670 @default.
- W4237051661 hasRelatedWork W2346457893 @default.
- W4237051661 hasRelatedWork W2371030923 @default.
- W4237051661 hasRelatedWork W2473212914 @default.
- W4237051661 hasRelatedWork W2586816013 @default.
- W4237051661 hasRelatedWork W2808099673 @default.
- W4237051661 hasRelatedWork W3020406370 @default.
- W4237051661 hasRelatedWork W4365803756 @default.
- W4237051661 hasVolume "134" @default.