Noise of Acoustic Doppler Velocimeter Data in Bubbly Flows
Publication: Journal of Engineering Mechanics
Volume 133, Issue 1
Abstract
Acoustic Doppler velocimeter (ADV) measurements are useful and powerful for measurements of mean and turbulent components of fluids in both hydraulic experimental facilities and fields. However, it is difficult to use the ADV in bubbly flows because air bubbles generate spike noise in the ADV velocity data. This study describes the validity of the ADV measurements in bubbly flows. The true three-dimensional phase space method originally developed by Goring and Nikora in 2002 is significantly useful to eliminate spike noise of ADV recorded data in bubbly flow in comparison with the classical low correlation method.
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Acknowledgments
This research was partially supported by the Ministry of Education, Science, Sports and Culture of Japan, Grant-in-Aid for Young Scientists (B) Grant No. MESSC-JP17760409 and The Sumitomo Foundation Grant No. 053493.
References
Gordon, L. (2000). “Surf zone observations with a Nortek vector velocimeter and Sontek ADVO.” Technical Rep. No. 014, Nortek.
Goring, D. G., and Nikora, V. I. (2002). “Despiking acoustic doppler velocimeter data.” J. Hydraul. Eng., 128(1), 117–126.
Voulgaris, G., and Trowbridge, J. H. (1998). “Evaluation of the acoustic doppler velocimeter (ADV) for turbulence measurements.” J. Atmos. Ocean. Technol., 15(1), 272–289.
Wahl, T. L. (2003). “Discussion of ‘Despiking acoustic doppler velocimeter data’.” J. Hydraul. Eng., 129(6), 484–488.
Information & Authors
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Published In
Journal of Engineering Mechanics
Volume 133 • Issue 1 • January 2007
Pages: 122 - 125
Copyright
© 2007 ASCE.
History
Received: May 3, 2005
Accepted: Apr 19, 2006
Published online: Jan 1, 2007
Published in print: Jan 2007
Notes
Note. Associate Editor: Robert J. Martinuzzi
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