Numerical Simulation of Particle Deposition in Cross-Flow Microfiltration of Binary Particles

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Title:	Numerical Simulation of Particle Deposition in Cross-Flow Microfiltration of Binary Particles
Authors:	黃國楨;Hwang,Kuo-jen;Wang,Yun-sheng
Contributors:	淡江大學化學工程與材料工程學系
Keywords:	Cross-Flow Microfiltration;Submicron Particles;Particle Deposition;Brownian Dynamic Simulation;Particle Packing
Date:	2001-06-01
Issue Date:	2010-03-09 10:16:39 (UTC+8)
Publisher:	淡江大學
Abstract:	The migration and the deposition of binary submicron particles in cross-flow microfiltration are simulated in this study. The forces exerted on particles are analyzed, and the Newton’s second law of motion is integrated to simulate the velocities and displacements of particles near the membrane surface. The effects of operating conditions on the packing structure of particles and cake porosity are discussed. It can be found that the packing porosity of binary particles is smaller than those of mono-sized due to the cavern and the displacement effects. The simulated results show that looser packing for a given mixing fraction is constructed under a larger cross-flow velocity or a smaller filtration rate. The impact of the mixing fraction of binary particles is demonstrated by the experimental data of particle packing under gravity.
Relation:	淡江理工學刊=Tamkang journal of science and engineering 4(2), pp.119-125
DOI:	10.6180/jase.2001.4.2.06
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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