START-UP OF AN ELASTOVISCOUS LIQUID DRAINING FROM A VERTICAL SURFACE

被引：15
|
作者：
WATERS, ND
KEELEY, AM
机构：
[1] Univ of Liverpool, Liverpool, Engl, Univ of Liverpool, Liverpool, Engl
来源：
JOURNAL OF NON-NEWTONIAN FLUID MECHANICS | 1987年 / 22卷 / 03期
关键词：
FLOW OF FLUIDS - Films - VISCOELASTICITY;
D O I：
10.1016/0377-0257(87)85023-1
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The free drainage of thin films of non-Newtonian liquids from vertical surfaces occurs in a variety of industrial processes. Consideration is given in this paper to the effect of liquid elasticity on the much neglected 'start-up' phase of the flow. The analysis utilizes the solution derived in 1970 by N. D. Waters and M. J. King for the generation of plane Poiseuille flow, to show that the presence of elasticity has a profound effect on the initial and the subsequent drainage profile.
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页码：325 / 334
页数：10
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