Review: Effects of Inlet Conditions on Conical-Diffuser Performance

[+] Author and Article Information
A. Klein

Motoren- und Turbinen-Union München GmbH, D 8000 München, Germany

J. Fluids Eng 103(2), 250-257 (Jun 01, 1981) (8 pages) doi:10.1115/1.3241727 History: Received May 19, 1978; Online October 26, 2009


The available experimental evidence of the effects of inlet conditions on the performance of conical diffusers with a free discharge is reviewed. The effects of inlet boundary layer thickness blockage, inlet shape parameter, turbulence, and Reynolds number are discussed. It is shown that many of the inconsistencies between different sources of data are the result of nonturbulent approach flows. Graphs are presented as guidelines for diffuser design.

Copyright © 1981 by ASME
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