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Title: The New ANSI/API 2530/A-G-A. Report No, 3- Part 1: General Equations And Uncertainty Guidelines
Author: J. E. Gallagher
Source: American Gas Association 1990
Year Published: 1990
Abstract: Part 1 of the proposed revisions to API MPMS Chapter 14.3 (A.G.A. Report No. 3) contains the general equations and uncertainty guidelines for concentric, square-edged, flange-tapped orifice meters. This part is applicable for any fluid in the petroleum, chemical, and natural-gas industries that is considered to be clean, single-phase, homogeneous, and Newtonian. This Part is intended to provide the user with an understanding of the physical principles for orifice meters, the basis for the empirical coefficient of discharge and expansion factor, the need for predicting or determining) the fluids properties at flowing conditions, and how to estimate the uncertainty associated with the users orifice metering application.

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