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Three Dimensional Flow Field in a Highly Loaded Compressor Cascade
Citation key 2014_beselt_25947-asme
Author Beselt, C. and Eck, M. and Peitsch, D.
Pages GT2014-25947
Year 2014
ISBN 978-0-7918-4563-9
DOI 10.1115/GT2014-25947
Location Düsseldorf, Germany
Journal ASME Turbo Expo 2014: Turbine Technical Conference and Exposition
Volume Volume 2D: Turbomachinery
Month 06
Note V02DT44A018,
Technische Universität Berlin:
C. Beselt, M. Eck, D. Peitsch
Editor ASME
Series Turbo Expo: Power for Land, Sea, and Air
Abstract Within the present paper a detailed experimental investigation is presented. The influence of blade loading on the development and interaction of secondary flow structures within an annular compressor stator cascade is examined. Experimental results at 3% chord hub clearance were obtained at four different blade loadings. Included are blade and endwall flow visualization, time resolved measurements of the static pressure on the endwall and radial-circumferential hot-wire traverse measurements within the passage as well as five-hole probe traverse measurements at the inlet and the outlet of the passage. The experimentally obtained results give detailed insight on the effect of the incidence on the development and interaction of the clearance vortex, horse-shoe vortex and the passage vortex. Furthermore it will be shown that a vortex breakdown of the clearance vortex occurs at higher loadings.
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