Squeeze flow of a power-law fluid between non-parallel plates

被引:16
|
作者
Sherwood, J. D. [1 ]
机构
[1] Univ Cambridge, Dept Appl Math & Theoret Phys, Cambridge CB3 0WA, England
关键词
Squeeze flow; Viscometry; SPHERICAL SURFACES; SOFT SOLIDS; FILM;
D O I
10.1016/j.jnnfm.2010.12.007
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
Squeeze flow in the gap between non-parallel circular plates of radius R is discussed. The test material is assumed to be a power-law fluid, with a no-slip boundary condition at the plates. If the mean separation between the plates is h, and the angle of inclination between the plates is phi << h/R, the force on the plates is perturbed only at O(phi(2)) and is increased by less than 10% if phi < 0.35 h/R. A torque O(phi) tends to return the plates to a parallel configuration. (C) 2010 Elsevier B.V. All rights reserved.
引用
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页码:289 / 296
页数:8
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