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Title: Pipe Flow Modeling For Ultrasonic Flow Measurement
Author: H. Jeanneau, m. Piguet
Source: Flomeko 2000
Year Published: 2000
Abstract: In many industrial applications, the precise measurement of volumetric flowrates is of crucial importance for economic or safety reasons. Flowmeters are generally installed in perturbed flow conditions. The measured value is then affected by a systematic error which can reach several %. EDF has developed a numerical tool to estimate the error introduced by the flow disturbances on the flow-rate measurement with ultrasonic flowmeters or differential pressure devices. The tool is based on a 3D CFD program which determines the flow profile. A module allows the simulation of ultrasonic flowmeters and differential pressure devices. This paper deals with ultrasonic flowmeters which are very sensitive to the flow profile through the parameter K (profile factor). Two configurations are presented in this paper:

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