HYDRODYNAMIC FORCE RESISTING THE APPROACH OF A SPHERE TO A PLANE PERMEABLE WALL

被引：75

作者：

GOREN, SL ^{[1
]}

机构：

[1] NATL SCI FDN,DIV ENGN,WASHINGTON,DC 20550

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1979年 / 69卷 / 01期

关键词：

D O I：

10.1016/0021-9797(79)90082-1

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The solution of the creeping equations of motion in bispherical coordinates is used to calculate the hydrodynamic force resisting the approach of a sphere toward a permeable wall. This force increases as the gap is reduced but the increase becomes significantly less pronounced as the permeability of the wall increases. For finite wall permeability, a finite hydrodynamic force on the sphere is expected even for the sphere touching" the wall. This is in contrast to the infinitely large drag force predicted for impermeable walls. © 1979."

引用

页码：78 / 85

页数：8