Scaling behaviours in settling process of fractal aggregates in water


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/28253

Title:	Scaling behaviours in settling process of fractal aggregates in water
Authors:	Tian, W. J. Browse this author
	Nakayama, T. Browse this author
	Huang, J. P. Browse this author
	Yu, K. W. Browse this author
Issue Date:	2007
Publisher:	EDP Sciences
Journal Title:	Europhysics Letters
Volume:	78
Issue:	4
Start Page:	46001
Publisher DOI:	10.1209/0295-5075/78/46001
Abstract:	We investigate the effect of permeant flow on the sedimentation of porous fractal-aggregates in water. Our theoretical analysis gives explicit calculations on the scaling behaviours of settling velocities, taking into account the fractality through a proper permeability for fractal aggregates. The calculated results for the scaling behaviours of settling velocities fit remarkably well with experimental data. The analytic expression for the settling velocity provides a criterion for determining fractal dimensions Df of aggregates from sedimentation experiments.
Type:	article
URI:	http://hdl.handle.net/2115/28253
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: 中山恒義

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