| Direct investigation of anisotropic suspension structure in pressure-driven flow. | |
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MedLine Citation:
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PMID: 20481723 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Evidence is presented to show the microstructural anisotropy responsible for normal stress in sheared suspensions. Particle velocimetry is combined with three-dimensional particle locations obtained via confocal microscopy at rest. A range of volume fractions phi and local shear rates gamma are investigated in a weakly Brownian pressure-driven suspension. At high gamma, the pairwise distribution shows a strong probability along the axis of compression similar to observations from Stokesian dynamics simulation at phi=0.32. At the channel center where gamma-->0, the concentrated suspension at phi=0.56 behaves as a confined isotropic fluid. |
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Authors:
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C Gao; S D Kulkarni; J F Morris; J F Gilchrist |
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Publication Detail:
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Type: Journal Article Date: 2010-04-15 |
Journal Detail:
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Title: Physical review. E, Statistical, nonlinear, and soft matter physics Volume: 81 ISSN: 1550-2376 ISO Abbreviation: Phys Rev E Stat Nonlin Soft Matter Phys Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-05-20 Completed Date: 2010-08-11 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101136452 Medline TA: Phys Rev E Stat Nonlin Soft Matter Phys Country: United States |
Other Details:
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Languages: eng Pagination: 041403 Citation Subset: - |
Affiliation:
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Department of Chemical Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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