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Transport under compression of bubbles in a non-Newtonian fluid
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-5294-1855
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0002-1033-0244
2011 (English)In: International Journal of Transport Phenomena, ISSN 1028-6578, E-ISSN 1540-0069, Vol. 12, no 3-4, p. 161-176Article in journal (Refereed) Published
Abstract [en]

Bubble transport is of importance in many applications for non-Newtonian fluids, such as in the manufacture of composite materials where residual bubbles may impair electrical properties, surface appearance and the mechanical properties of the finished products. In this study, a model experiment is performed where a non-Newtonian fluid (grease) containing bubbles is compressed between two plates, whereby the motion of the bubbles is tracked and evaluated using Particle Image Velocimetry. The bubble motion is furthermore analytically modelled and coupled to the experimental results.

Abstract [en]

Bubble transport is of importance in many applications for non-Newtonian fluids, such as in the manufacture of composite materials where residual bubbles may impair electrical properties, surface appearance and the mechanical properties of the finished products. In this study, a model experiment is performed where a non-Newtonian fluid (grease) containing bubbles is compressed between two plates, whereby the motion of the bubbles is tracked and evaluated using Particle Image Velocimetry. The bubble motion is furthermore analytically modelled and coupled to the experiment results.

Place, publisher, year, edition, pages
2011. Vol. 12, no 3-4, p. 161-176
National Category
Fluid Mechanics and Acoustics
Research subject
Fluid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-8160Local ID: 6a0ec568-1919-4ad4-89c4-46beedd16d67OAI: oai:DiVA.org:ltu-8160DiVA, id: diva2:981051
Note
Validerad; 2011; 20110129 (stlu)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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http://www.oldcitypublishing.com/IJTP/IJTPcontents/IJTPv12n3-4contents.html

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Westerberg, Lars-GöranOlsson, JimmyLundström, Staffan

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