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RESEARCH PAPERS

Flow Control in Wide-Angled Conical Diffusers

[+] Author and Article Information
M. C. Welsh

Division of Mechanical Engineering, Commonwealth Scientific and Industrial Research Organization, Highett, Victoria, Australia

J. Fluids Eng 98(4), 728-735 (Dec 01, 1976) (8 pages) doi:10.1115/1.3448470 History: Received September 21, 1976; Online October 12, 2010

Abstract

Flow control techniques in wide-angled conical diffusers are discussed. Selected performance characteristics of a wide-angled conical diffuser and tailpipe with and without a star flow-control device are also presented. The diffuser performance is sensitive to the star location and geometry and to the diffuser inlet flow conditions. The correct combination of the first two factors for a given inlet condition leads to a significant increase in pressure recovery and flow stability in the diffuser and tailpipe, together with satisfactory mean velocity profiles for entry to downstream duct components.

Copyright © 1976 by ASME
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