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Title: Investigation Of The Installation Effects On Ultrasonic Flowmeters And Evaluation Of Computational Fluid Dynamics Prediction Methods
Author: Craig J. Coull, Neil A. Barton
Source: 2002 North Sea Flow Measurement Workshop
Year Published: 2002
Abstract: This paper presents the results of a detailed investigation of installation effects on the performance of transit time ultrasonic flow meters. Extensive laboratory tests and Computational Fluid Dynamics (CFD) modelling have been performed. Laboratory tests have been carried out on a triple bend installation. Three meters have been tested two clamp-on meters (reflect diametric paths) and a dual-cross mid-radius meter. Each meters performance has been analysed and explanations offered as to why the observed effects occur. Path velocity data has also been recorded from the dual-cross midradius meter. This data has been used to reconstruct other mid-radius meter designs and allow their performance to be analysed. Also the diagnostic capabilities of individual path velocities in mid-radius design meters have been considered. The final section of the paper presents the results of the CFD modelling of the laboratory experiments. These results are analysed using the laboratory results including a pitot tube traverse of the test section.

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