Research Article
Dec 1975
Measuring Water Velocity by Ultrasonic Flowmeter
Publication: Journal of the Hydraulics Division
Volume 101, Issue 12
Abstract
A limited study of a sing-around ultrasonic flowmeter was made in a 2.5-ft (0.76-m) square laboratory channel. Traversing the flow vertically with the meter transducers produced a satisfactory velocity profile. Integration of the profile by manual methods showed an average deviation of −3.4% compared to the bulk flow velocity Q/A measured by a venturi meter in a symmetrical profile for flows ranging from 3 cfs-11.4 cfs (0.08 m³/s 0.32 m³/s). Deviations of +l4% to !6% were found in an unsymmetrical flow caused by a thin vertical plate having a width l0% of the channel width. General operation of the meter was satisfactory, and the sing-around principle appears satisfactory for discharge measurement.
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Published In
Journal of the Hydraulics Division
Volume 101 • Issue 12 • December 1975
Pages: 1503 - 1517
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Dec 1975
Published online: Feb 3, 2021
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Authors
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Jack C. Schuster
Hydr. Engr., Hydr. Branch, Div. of General Research, Engrg. and Research Center, Bureau of Reclamation, Denver, Colo.
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