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Title: The Impact Of Low-Frequency Pulsations On A Dualbeam Ultrasonic Flowmeter
Author: E. Van Bokhorst, M.C.A.M. Peters
Source: Flomeko 2000
Year Published: 2000
Abstract: The impact of flow and pressure pulsations on flowmeters of various measuring principles, like turbine, vortex or DP-based flowmeters is well known and published at several occasions. To the authors knowledge, there have been no publications on investigations regarding the impact of low frequency pulsations on commercially available ultrasonic flowmeters. The influence of high frequency acoustic noise, as caused by control valves, is part of several investigations and reported in recent publications 1,5. This paper describes the impact of low frequency, almost sinusoidal pulsations in the range from 25 to 100 Hz, which are imposed on a 4-inch, dual-beam, commercially available ultrasonic flowmeter

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