Liquid bridge between two moving spheres: An experimental study of viscosity effects

JOURNAL OF COLLOID AND INTERFACE SCIENCE

卷:231

Article

Pitois, O ; Moucheront, P ; Chateau, X

关键词: liquid bridge;    viscous force;    capillary force;   

DOI  :  10.1006/jcis.2000.7096

来源: Elsevier

【 摘 要 】

The effects of viscosity on the mechanical response of a liquid bridge are investigated in the case of small amounts of liquid axially strained between two moving spheres. An experimental setup allows the measurement of capillary and viscous forces exerted on the spheres as a function of the spheres separation distance and the spheres velocity. The experimental results are found to be accurately described over a large range in spheres velocity and liquid viscosity by a simple closed-form expression. In addition, the bridge rupture distance is found to increase like the square root of the separation velocity. (C) 2000 Academic Press.

【 授权许可】

Free