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TECHNICAL BRIEFS

Euler Number Based Orifice Discharge Coefficient Relationship

[+] Author and Article Information
Gerald L. Morrison

Nelson-Jakson Professor of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123 e-mail: gmorrison@mengr.tamu.edu

J. Fluids Eng 125(1), 189-191 (Jan 22, 2003) (3 pages) doi:10.1115/1.1521955 History: Received January 29, 2002; Revised June 17, 2002; Online January 22, 2003
Copyright © 2003 by ASME
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References

Scott, J. L., Brennan, J. A., and Blakeslee, D. M., 1994, “GRI/NIST Orifice Meter Discharge Coefficient Database, Volume 1,” NIST Standard Reference Database 45, U.S. Department of Commerce, National Institute of Standards and Technology, Gaithersburg, MD.
AGA, ANSI, API, and GPA, 1992, “Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids,” ANSI/API 2530, Third Ed., American Gas Association, Arlington, VA.

Figures

Grahic Jump Location
Discharge coefficient from GRI/NIST database, 1 as a function of β ratio and Reynolds number
Grahic Jump Location
Discharge coefficient as a function of β ratio and Euler number. Data from GRI/NIST database, 1.
Grahic Jump Location
Ratio of discharge coefficient to Euler number as a function of Euler number and β ratio. Data from GRI/NIST database, 1.
Grahic Jump Location
Ratio of the product of flow coefficient and expansion factor to Euler number as a function of Euoer number and β ratio. Data from GRI/NIST database, 1.
Grahic Jump Location
Accuracy of ANSI/API 2530, 2, and Euler number method

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