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Experimental analysis of the flow-field in a state-of-the-art linear cascade with boundary-layer suction

Johan Hjärne (Institutionen för tillämpad mekanik) ; Valery Chernoray (Institutionen för tillämpad mekanik) ; J. Larsson ; Lennart Löfdahl (Institutionen för tillämpad mekanik)
Proc. of ASME TURBO EXPO 2005, Reno, Nevada, USA (2005)
[Konferensbidrag, refereegranskat]

This paper presents a detailed experimental evaluation of the flow field in a state of the art linear cascade with boundary-layer suction. The linear cascade was designed using a new design-process as described by Hjärne et al. [1]. From the measurements presented in this paper it can be concluded that all of the features of the test-rig work as expected. Hence the measurements validate the design process presented by Hjärne et al. in [1].The intention with the test facility is to provide high quality benchmark cases for the flow field around aggressive designs of Low Pressure Turbine/Outlet Guide Vanes (LPT/OGV's) to be used for validation of numerical codes. The flow quality is assessed by measuring inlet uniformity, boundary-layer heights, periodicity of the static pressure distribution around the OGV's and uniformity of the outlet flow.

Denna post skapades 2006-10-11. Senast ändrad 2017-09-14.
CPL Pubid: 22764


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Institutionen för tillämpad mekanik (1900-2017)



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