The transition from inertial to viscous flow in capillary rise
نویسندگان
چکیده
منابع مشابه
The transition from inertial to viscous flow in capillary rise.
We investigate the initial moments of capillary rise of liquids in a tube. In this period both inertia and viscous flow losses balance the pressure generated by the meniscus curvature (capillary pressure). It is known that the very first stage is purely dominated by inertial forces, where subsequently the influence of viscosity increases (visco-inertial flow). Finally the effect of inertia vani...
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15 صفحه اولViscous Potential Flow Analysis of Capillary Instability
Capillary instability of a viscous fluid cylinder of diameter D surrounded by another fluid is determined by a Reynolds number J = V D `= `, a viscosity ratio m = a= ` and a density ratio ` = a= `. Here V = = ` is the capillary collapse velocity based on the more viscous liquid which may be inside or outside the fluid cylinder. Results of linearized analysis based on potential flow of a viscous...
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ژورنال
عنوان ژورنال: Journal of Colloid and Interface Science
سال: 2008
ISSN: 0021-9797
DOI: 10.1016/j.jcis.2008.08.018