PRESSURE-DROP IN NON-NEWTONIAN PURELY VISCOUS-FLUID FLOW-THROUGH POROUS-MEDIA

被引:71
|
作者
SABIRI, NE [1 ]
COMITI, J [1 ]
机构
[1] IUT ST NAZAIRE,GEN PROC LAB,BP 420,F-44606 ST NAZAIRE,FRANCE
关键词
D O I
10.1016/0009-2509(94)00495-D
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The flow of non-Newtonian purely viscous fluids through packed beds of different structures has been investigated and a model of calculation of the pressure drop is proposed. This model takes into account the structural parameters of the porous medium: the tortuosity tau, the dynamic specific surface area a(vd) and the porosity epsilon. This model has been verified experimentally for the flow of a power-law fluid through fixed beds of spherical particles, long cylinders and very flat plates. The present investigation covers a large range of Reynolds number including creeping and inertial flow regimes.
引用
收藏
页码:1193 / 1201
页数:9
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