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Title: Testing Of Generic Differential Pressure Cone Meters To API 22.2 Test Protocol Part 1.0 Water().
Author: Philip A Lawrence, Dr. N.W Sung
Source: 2009 International Symposium on Fluid Flow Measurement
Year Published: 2009
Abstract: During 2003 a standard was developed by the American Petroleum Institute (API) Manual of Petroleum Measurement Standards (MPMS) Chapter 5.7 Working Group, entitled Differential Pressure Flow Measurement Devices. It was subsequently moved and changed to Chapter 22, Section 2, and is now called API chapter 22.2 the differential test protocol. This paper details the work done on various sizes of differential pressure cone meters at the FCC Ltd Independent water test laboratory near to Seoul in South Korea. The paper will detail the results for baseline and perturbation testing performed at the laboratory using their gravimetric system traceable to Korean National Standards through KOLAS and KRIS. The demonstration of the laboratories alignment to the RG (Reader-Harris-Gallagher) equation will be shown and also results from a recently available technique called PIV particle image velocimetry which is a laser optical method used to obtain instantaneous velocity measurements and related properties in fluids. This technique was used to determine that the velocity profile in the pipe was fully developed thus enabling the RG equation to be validated effectively in the calibration system. Figure-1a The line velocity profile effects where shown by using a computer generated nomogram - Figure 1b The system was also used during the test to view the fluid flow dynamics through a cone meter that was installed in a clear view flexi-glass pipe.

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