Experimental characterization of flow regimes in various porous media - III: limit of Darcy's or creeping flow regime for Newtonian and purely viscous non-Newtonian fluids

被引：92

作者：

Comiti, J ^{[1
]}

Sabiri, NE ^{[1
]}

Montillet, A ^{[1
]}

机构：

[1] CRTT, Lab Genie Proc, F-44606 St Nazaire, France

来源：

CHEMICAL ENGINEERING SCIENCE | 2000年 / 55卷 / 15期

关键词：

D O I：

10.1016/S0009-2509(99)00556-4

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The pore Reynolds number is shown to be a convenient criterion for determining the limit of validity of creeping flow regime for Newtonian and non-Newtonian purely viscous fluid flow through fixed beds of various structures. For a non-Newtonian purely viscous fluid flow, only the limit of Darcy's or creeping flow regime has been determined. A global scheme for Newtonian fluid flow regime transitions in packed beds of particles presenting an isotropy in the plane corresponding to the main direction of flow is proposed.

引用

页码：3057 / 3061

页数：5

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