Feasibility of measuring flow velocity profiles with array-based clamp-on ultrasonic flow meters
D van Willigen (TU Delft - Old - EWI Ch. Electronic Positioning and Navigation Systems)
P. L.M.J. van Neer (TU Delft - ImPhys/Medical Imaging)
N de Jong (TU Delft - ImPhys/Medical Imaging)
M.A.P. Pertijs (TU Delft - Electronic Instrumentation)
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Abstract
In this work, we investigate the feasibility of extracting velocity profile information with clamp-on transit-time ultrasonic flow meters. By using time delay inversion on multiple acoustic paths generated with clamp-on array transducers we extract the velocity profile inside the pipe. Monte-Carlo simulations with 1ns random jitter on the transit-times show good agreement with input velocity profiles. Measurements to test the algorithm on experimental data are ongoing.
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