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Evidence of Shear-dependent Boundary Slip in Newtonian Liquids

Neto, C; Craig, Vincent; Williams, David

Description

The flow of Newtonian fluids was studied by directly measuring the hydro-dynamic drainage force acting on a sphere approaching a flat surface. Our force measurements provide clear evidence of boundary slip and show that the degree of boundary slip is a function of the liquid viscosity and the shear rate. A shear-dependent boundary slippage was also observed in experiments with a, polymer (PDMS). The liquids wetted the bounding surfaces either partially or completely. Our results have important...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/86687
Source: European Physical Journal E
DOI: 10.1140/epjed/e2003-01-015-3

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