Effect of the Inlet Velocity Profile in the Three-Dimensional Flow in a Rear Axial Compressor Stage

[+] Author and Article Information
V. Cyrus

The National Research Institute for Machine Design (SVÚSS), 250 97 Prague 9-Běchovice, Czechoslovakia

J. Turbomach 110(4), 434-440 (Oct 01, 1988) (7 pages) doi:10.1115/1.3262216 History: Received September 15, 1987; Online November 09, 2009


A detailed investigation of the three-dimensional flow was carried out in a low-speed rear axial compressor stage with an aspect ratio of 1. Experimental data were obtained for both an inlet velocity profile with thin endwall boundary layer thickness and a distorted inlet velocity profile with a high turbulence intensity level. The distortion was produced by a specially designed screen. The flow mechanism in the rotor and stator blade rows is analyzed for these two velocity profiles at the design flow coefficient.

Copyright © 1988 by ASME
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