Rotor Wake Mixing Effects Downstream of a Compressor Rotor

[+] Author and Article Information
A. Ravindranath, B. Lakshminarayana

The Pennsylvania State University, University Park, Pa.

J. Eng. Power 104(1), 202-210 (Jan 01, 1982) (9 pages) doi:10.1115/1.3227251 History: Received December 11, 1980; Online September 28, 2009


An experimental study of rotor wake was conducted in the trailing-edge and near-wake regions of a moderately loaded compressor rotor blade using a rotating triaxial hot-wire probe in a rotating frame of reference. The flow-field was surveyed very close to the trailing-edge as well as inside the annulus and hub-wall boundary layers. The large amount of data acquired during this program has been analyzed to discern the decay effects as well as the spanwise variation of three components of velocity, three components of intensities and three components of shear stresses. The data set also include extensive information on the variation of the flow properties downstream. The other derived quantities include wake momentum thickness and deviation angles at various spanwise and downstream locations. These data are presented and interpreted, with emphasis on the downstream mixing as well as endwall-wake interaction effects.

Copyright © 1982 by ASME
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