A Comparison of Three Critical Flow Venturi Designs

[+] Author and Article Information
E. F. Brown

Virginia Polytechnic Institute and State University, Blacksburg, VA

G. L. Hamilton, D. W. Kwok

McDonnell Douglas Corporation, Douglas Aircraft Company, Long Beach, CA

J. Fluids Eng 107(3), 316-321 (Sep 01, 1985) (6 pages) doi:10.1115/1.3242485 History: Received July 10, 1985; Online October 26, 2009


Three critical flow venturi designs have been examined from the standpoint of their sensitivity to initial boundary-layer thickness, inlet flow nonuniformity, separation, and transition point location. These sensitivity studies were carried out with a finite-difference computer code which represents a coupled solution of the inviscid potential core and the viscous boundary layer. Since it makes good sense to select a design that is least sensitive to these effects, it is expected that this information will be of interest to potential users of these devices. Differences between the sensitivities of the various designs were found to be small; however, a slight advantage is seen in designs which employ a circular arc entrance section and a circular arc throat.

Copyright © 1985 by ASME
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