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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. American Society of Mechanical Engineers., pp. 1875-1885. (doi:10.1115/GT2006-90892).

Record type: Conference or Workshop Item (Paper)


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.

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Published date: 15 October 2006
Venue - Dates: ASME Turbo Expo 2006: Power for Land, Sea and Air, Spain, 2006-05-08 - 2006-05-11
Organisations: Aerodynamics & Flight Mechanics Group


Local EPrints ID: 334488
ISBN: 079184241X
PURE UUID: aa5ecb1a-589a-40d1-b461-2350e46827f2

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Date deposited: 13 Mar 2012 17:07
Last modified: 18 Jul 2017 06:11

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Author: Andrew P.S. Wheeler
Author: Robert J. Miller
Author: Howard P. Hodson

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