Application of UVP within Porous Beds
Publication: Journal of Hydraulic Engineering
Volume 132, Issue 9
Abstract
Standard measurement devices do not normally provide detailed information about flows in porous media because either they are too intrusive (e.g., hot/film wire anemometers) or because the solid phase impedes their physical access to the flow as in the case of laser Doppler anemometers or particle image velocimetry (PIV). In this study, a Metflow ultrasonic velocity profiler (UVP) is used to measure instantaneous velocity fields within porous media composed of plastic balls packed in a cubic pattern. Simple considerations of the ultrasound beam properties and propagation, plus a comparison with measurements performed by a PIV system, demonstrate that UVP devices are suitable for such a purpose.
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Acknowledgments
This investigation was carried out as part of an experimental program funded by the United Kingdom Engineering and Physical Sciences Research Council (Grant No. GR/R51865/01). The writers thank METFLOW SA for many helpful comments and information about the UVP system and Dr. Simon Tait (University of Sheffield, U.K.) for providing the laser needed for PIV tests.
References
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 132 • Issue 9 • September 2006
Pages: 983 - 986
Copyright
© 2006 ASCE.
History
Received: Jun 29, 2004
Accepted: Aug 26, 2005
Published online: Sep 1, 2006
Published in print: Sep 2006
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