Predetermination of the Relative Error on the Flow Coefficient of Orifice Meters in Nonstandard Approach Conditions

[+] Author and Article Information
A. L. Jaumotte

University of Brussels, Belgium

P. P. Nagel

Institute of Applied Mechanics, University of Brussels, Belgium

J. Fluids Eng 100(1), 60-64 (Mar 01, 1978) (5 pages) doi:10.1115/1.3448616 History: Received October 11, 1977; Online October 12, 2010


This note summarizes the practical conclusions of a study of the influence of non-standard approach sections (swept bends, orifice plates [[ellipsis]]) on the relative error on the flow coefficient of orifice meters. On the basis of experimental curves of “error versus upstream distance” for a few studied pipe fittings, it is shown that a correlation can be defined and used for the predetermination of the almost complete curve of many other pipe fittings for which the error is only given by the standards for a limited number of upstream distances.

Copyright © 1978 by ASME
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