Collective settling of fine particles in a narrow channel with arbitrary cross-section

Harada, Shusaku; Kondo, Megumi; Watanabe, Kensuke; Shiotani, Taiga; Sato, Kodai

doi:10.1016/j.ces.2013.01.054


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Collective settling of fine particles in a narrow channel with arbitrary cross-section

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/52561

Title:	Collective settling of fine particles in a narrow channel with arbitrary cross-section
Authors:	Harada, Shusaku Browse this author →KAKEN DB
	Kondo, Megumi Browse this author
	Watanabe, Kensuke Browse this author
	Shiotani, Taiga Browse this author
	Sato, Kodai Browse this author
Keywords:	Particle
	Suspension
	Sedimentation
	Multiphase flow
	Interface
	Fluid mechanics
Issue Date:	Apr-2013
Publisher:	Elsevier
Journal Title:	Chemical Engineering Science
Volume:	93
Start Page:	307
End Page:	312
Publisher DOI:	10.1016/j.ces.2013.01.054
Abstract:	Gravitationalsettlingoffineparticlesinaliquid-fillednarrowchannelhasbeenstudiedexperimentally and theoretically.Previousstudieshaveshownthattheparticulatesuspensionwithconcentration interfacetowardgravitationaldirectionbehavesasacontinuousfluidforhighconcentrationandsmall particle size,andthegravity-inducedinstabilityattheinterfaceenhancesthesettlingmotionof particles.Thepurposeofthisstudyistoinvestigatehowsuchaconcentrationinterfacebehavesand how particlessettlebygravityinvariousfinite-sizedchannels.Theexperimentalandtheoreticalresults indicatethattheaspectratioofthechannelcross-sectionisanimportantparameterfordescribingthe settlingbehaviorofparticulatesuspension.Moreover,wepredictthevelocityofthecollectivesettling of particlesinchannelswitharbitrarycross-section.
Type:	article (author version)
URI:	http://hdl.handle.net/2115/52561
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 原田周作

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