A MODEL FOR PARTICLE DEPOSITION DURING IMPREGNATION OF FIBROUS POROUS MEDIA

被引：7

作者：

Steggall-Murphy, Claire ^{[1
,2
]}

Simacek, Pavel ^{[1
,2
]}

Advani, Suresh G. ^{[1
,2
]}

Barthelemy, Amandine ^{[1
,2
]}

Yarlagadda, Shridhar ^{[2
]}

Walsh, Shawn ^{[3
]}

机构：

[1] Univ Delaware, Dept Mech Engn, Newark, DE 19716 USA

[2] Univ Delaware, Ctr Composite Mat, Newark, DE 19716 USA

[3] USA, Res Lab, Aberdeen, MD 21005 USA

来源：

JOURNAL OF POROUS MEDIA | 2011年 / 14卷 / 05期

关键词：

composite materials; particle impregnation; glass fiber composites; dual scale porous media; suspension flow; CONCENTRATED SUSPENSIONS; FILTRATION PROCESSES; MEMBRANE FILTRATION; FIBER COMPOSITES; MIGRATION; PERFORMANCE; TRANSPORT; FILTERS; FLOW;

D O I：

10.1615/JPorMedia.v14.i5.20

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Filtration of particles in porous media is used for many applications, including desalination and water treatment, food manufacturing, paper making, and composites processing. In this paper, the deposition of thermoplastic particles is used to deliver matrix material within a composite textile. A constitutive model to describe the filtration behavior within the porous fabric with respect to time is proposed. The model requires characterization of a filtration coefficient that is a function of suspension concentration and shear rate. Experiments with different concentrations and shear rates are designed and conducted to measure the constants needed to characterize the filtration coefficient through regression analysis. The model is then compared with experimental data for a wide range of particle concentrations and fluid velocities. Although there is a difference between the model and the experimental results, the trends of the model are encouraging.

引用

页码：383 / 394

页数：12

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