Slot width augmentation in a slotted-wall transonic linear cascade wind tunnel
Data(s) |
08/01/2004
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Resumo |
Transonic tests in linear cascade wind tunnels can suffer<br/>from significant test section boundary interference effects in pitch. A slotted tailboard has been designed and optimised with an in-house Euler numerical method to reduce such ef- fects. Wind tunnel measurements on an overspeed Mach 1.27 discharge from a Rolls-Royce T2 cascade, featuring strong end-wall shock-induced interference, showed a 77% reduction in the flow pitchwise periodicity error with the optimised tail- board, with respect to the baseline open-jet cascade flow. Two-dimensional Euler predictions were also cross-validated against a three-dimensional Reynolds averaged computation, to explore the three-dimensionality of the discharge |
Identificador | |
Idioma(s) |
eng |
Direitos |
info:eu-repo/semantics/restrictedAccess |
Fonte |
Geron , M , Paciorri , R , Rona , A & Ince , N Z 2004 , ' Slot width augmentation in a slotted-wall transonic linear cascade wind tunnel ' Paper presented at AIAA 42nd Aerospace Sciences Meeting & Exhibit , Reno , United States , 01/01/2004 - 01/01/2004 , . DOI: 10.2514/6.2004-608 |
Palavras-Chave | #CFD #Transonic wind tunnel #Turbine cascade |
Tipo |
conferenceObject |