The Measurement and Effects of Edge Sharpness on the Flow Coefficients of Standard Orifices

[+] Author and Article Information
K. A. Crockett

Daniel Industries, Inc., Houston, Texas

E. L. Upp

Fluid Mechanics, Daniel Industries, Inc., Houston, Texas

J. Fluids Eng 95(2), 271-274 (Jun 01, 1973) (4 pages) doi:10.1115/1.3447015 History: Received July 31, 1972; Online October 12, 2010


An investigation of the lead foil impression technique of determining orifice edge-sharpness and the resultant effects on orifice coefficient of the rounding of the square-edge as determined by water calibration are discussed. The data to date are encouraging and correlate well with similiar work done originally in Germany and more recently in England.

Copyright © 1973 by ASME
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