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Ultrasonic particle velocimetry in multiphase flows
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0002-6216-6132
Laboratoire Ondes et Acoustique, Paris.
2002 (English)In: Proceedings: 2002 IEEE Ultrasonics Symposium : October 8 - 11, 2002, Forum Hotel, Munich, Germany ; an international symposium / [ed] Donald E. Yuhas, Piscataway, NJ: IEEE Communications Society, 2002, 761-764 p.Conference paper, Published paper (Refereed)
Abstract [en]

Two-dimensional ultrasonic speckle correlation velocimetry (USV) is a new technique that allows to image moving scattering media, at a high frame-rate. In this paper we apply the. technique to determine two-dimensional particle velocity profiles of multiphase flows. Experiments are realized with suspensions of Sonazoid (medical contrast agent) and Magnetite (Fe/sub 3/O/sub 4/) in water. All measurements are performed in a vertical pipe with the flow moving downwards. The two-dimensional particle velocity profiles are then compared with a reference liquid volume flow velocity. As expected from theory, the heavier Magnetite particles have slightly higher velocity than the liquid whereas the contrast agent simply follows the liquid motion. The proposed technique can be used in combination with other techniques to measure the mass flow of the solid phase, in solid/liquid multiphase flow. This is generally more interesting than-measuring the bulk mass or volume flow.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2002. 761-764 p.
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-40480DOI: 10.1109/ULTSYM.2002.1193510Local ID: fa1b27a0-bb6b-11db-b560-000ea68e967bISBN: 0-7803-7582-3 (print)OAI: oai:DiVA.org:ltu-40480DiVA: diva2:1014002
Conference
IEEE Ultrasonics Symposium : 08/10/2002 - 11/10/2002
Note
Godkänd; 2002; 20061024 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-10-19Bibliographically approved

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