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RESEARCH PAPERS

Quadrant Edge Orifice Performance-Effect of Upstream Velocity Distribution

[+] Author and Article Information
Marvin Bogema

Applied Hydraulic Laboratory, Cornell University, Ithaca, N. Y.

Bradford Spring

Clarkson College of Technology, Potsdam, N. Y.

M. V. Ramamoorthy

Ihiagarajar College of Engineering, Madurai, Madras, India

J. Basic Eng 84(4), 415-418 (Dec 01, 1962) (4 pages) doi:10.1115/1.3658656 History: Received June 12, 1961; Online November 04, 2011

Abstract

Quadrant edge orifices offer constant discharge coefficients to much lower Reynolds numbers than do sharp edge orifices, nozzles, or venturi meters. Published results show different values for the lower limit of constancy. This paper presents experimental results which indicate that at flows below pipe Reynolds number of 4000 the discharge coefficient variation is related to the degree of velocity profile development in the upstream meter run.

Copyright © 1962 by ASME
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