Pouring viscous fluid out of a tipped container in minimal time

Takagi, Daisuke and Huppert, H. E. (2011) Pouring viscous fluid out of a tipped container in minimal time. Physical Review E, 84 (3). 035303. DOI 10.1103/PhysRevE.84.035303

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Abstract

Emptying a container partially filled with viscous fluid can be a frustratingly slow process. It takes time for the fluid to even begin discharging after tipping the container to develop a draining film on the interior surface. To study the effects of the shape and the tipping angle of the container, we predict the time required for the fluid to begin discharging in two simple geometries. In addition, the volume of the fluid yet to be discharged at subsequent times is predicted to decrease as t−1/2 or t−1 for flow driven along a plane or corner, respectively. We compare these theoretical predictions with laboratory experiments and discuss how viscous fluids could be poured out most effectively.

Item Type: Article
Uncontrolled Keywords: 2011AREP; IA63;
Subjects: 99 - Other
Divisions: 99 - Other
Journal or Publication Title: Physical Review E
Volume: 84
Page Range: 035303
Identification Number: 10.1103/PhysRevE.84.035303
Depositing User: Sarah Humbert
Date Deposited: 06 Feb 2012 18:18
Last Modified: 23 Jul 2013 10:03
URI: http://eprints.esc.cam.ac.uk/id/eprint/2364

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