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Title: Impact Of Regulator Noise On Ultrsonic Flow Meters In Natural Gas
Author: Idriz Krajcin, Martin Uhrig, Andrew Wrath, Toralf Dietz, Volker Herrmann
Source: 2008 North Sea Flow Measurement Workshop
Year Published: 2008
Abstract: The impact of pressure regulator noise on the performance of ultrasonic meters has been discussed for several years now. This is one of the problems still to be solved in ultrasonic flow metering technology. Engineers have so far attempted to solve the problem by installing complex spatial pipe arrangements at high costs to reduce interfering noise levels. The issue has been examined systematically both in field tests in the measuring station of a transportation pipeline and on the E.ON Ruhrgas high-pressure test facility in Lintorf to determine the limits of use and potential applications of an ultrasonic gas meter with chordal path layout in combination with a regulator. The tests made on a 16-inch meter in the measuring station confirmed that proper functioning of the meter with respect to pressure differential and flow rate can be guaranteed even under the most extreme conditions.

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