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RESEARCH PAPERS

A Horseshoe Vortex in a Duct

[+] Author and Article Information
J. Moore, T. J. Forlini

Department of Mechanical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Va. 24061

J. Eng. Gas Turbines Power 106(3), 668-676 (Jul 01, 1984) (9 pages) doi:10.1115/1.3239622 History: Received January 18, 1984; Online October 15, 2009

Abstract

A Rankine half-body is used to model the three-dimensional flow caused by a blunt obstruction in a flow passage. The body is located in a duct bounded by two plane endwalls and two side walls shaped like potential-flow streamlines. A thick turbulent boundary layer on the endwall forms a horseshoe vortex flow as it encounters the leading edge of the body. Flow measurements are presented showing the inlet flow and the three-dimensional flow downstream of the leading edge. Sufficient data are presented for this to be a test case for the development of three-dimensional viscous flow codes.

Copyright © 1984 by ASME
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