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 Hja¨rne et al. . 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 Hja¨rne et al. in . 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.
Experimental Evaluation of the Flow-Field in a State of the Art Linear Cascade With Boundary-Layer Suction
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Hja¨rne, J, Chernoray, V, Larsson, J, & Lo¨fdahl, L. "Experimental Evaluation of the Flow-Field in a State of the Art Linear Cascade With Boundary-Layer Suction." Proceedings of the ASME Turbo Expo 2005: Power for Land, Sea, and Air. Volume 6: Turbo Expo 2005, Parts A and B. Reno, Nevada, USA. June 6–9, 2005. pp. 553-560. ASME. https://doi.org/10.1115/GT2005-68399
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