The effect of wake induced structures on compressor boundary-layers
Wheeler, Andrew P.S., Miller, Robert J. and Hodson, Howard P. (2006) The effect of wake induced structures on compressor boundary-layers. In, ASME Turbo Expo 2006: Power for Land, Sea, and Air. Volume 6: Turbomachinery, Parts A and B. ASME Turbo Expo 2006: Power for Land, Sea and Air , American Society of Mechanical Engineers, 1875-1885. (Asme Conference Proceedings). (doi:10.1115/GT2006-90892).
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The interaction of a convected wake with a compressor blade boundary-layer was investigated. Measurements within a single-stage compressor were made using an endoscopic PIV system, a surface mounted pressure transducer, hotfilms and hotwire traverses, along with CFD simulations. The wake/leading-edge interaction was shown to lead to the formation of a thickened laminar boundary-layer, within which turbulent spots formed close to the leading-edge. The thickened boundary-layer became turbulent and propagated down the blade surface, giving rise to pressure perturbations of 7% of the inlet dynamic head in magnitude. The results indicate that wake/leading-edge interactions have a crucial role to play in the performance of compressor blades in the presence of wakes.
|Item Type:||Book Section|
|Subjects:||T Technology > T Technology (General)|
|Divisions:||Faculty of Engineering and the Environment > Aeronautics, Astronautics and Computational Engineering > Aerodynamics Flight Mechanical Research Group
|Date Deposited:||13 Mar 2012 17:07|
|Last Modified:||26 Apr 2013 05:26|
|Contributors:||Wheeler, Andrew P.S. (Author)
Miller, Robert J. (Author)
Hodson, Howard P. (Author)
|Date:||15 October 2006|
|Publisher:||American Society of Mechanical Engineers|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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