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SELF-ORGANIZATION OF FIBERS IN A SUSPENSION BETWEEN TWO COUNTER-ROTATING DISCS
KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.
KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.
KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0003-3737-0091
2009 (English)In: PROCEEDINGS OF THE ASME FLUIDS ENGINEERING DIVISION SUMMER CONFERENCE, VOL 1, PTS A-C, NEW YORK: AMER SOC MECHANICAL ENGINEERS , 2009, 585-592 p.Conference paper, Published paper (Refereed)
Abstract [en]

The behavior of fibers suspended in a flow between two flat counter-rotating discs has been studied experimentally. Captured images of the fibers in the flow were analyzed by steerable filters, to extract positions and orientations of the fibers. Experiments were performed for gaps between the discs of less than one fiber length, and for equal absolute values of the angular velocities for the discs. The length-to-diameter ratio of the fibers was approximately 14. During certain conditions, the fibers organized themselves in a distinct manner, which we will denote as fiber trains, in which three or more fibers are aligned next to each other, at the same radial position, with a short fiber-to-fiber distance. The direction of the individual fibers is radial and the direction of the whole train is tangential. Trains containing more than 60 fibers have been observed and are quite impressing.

Place, publisher, year, edition, pages
NEW YORK: AMER SOC MECHANICAL ENGINEERS , 2009. 585-592 p.
Keyword [en]
STEERABLE FILTERS, PARTICLES, DESIGN, DISKS, FLOW
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-29640ISI: 000280424200062Scopus ID: 2-s2.0-77952811171ISBN: 978-0-7918-4372-7 (print)OAI: oai:DiVA.org:kth-29640DiVA: diva2:401205
Conference
ASME Fluids Engineering Division Summer Meeting Vail, CO, AUG 02-06, 2009
Note
QC 20110301Available from: 2011-03-01 Created: 2011-02-11 Last updated: 2011-03-01Bibliographically approved

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Soderberg, L. Daniel

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