THE GENERATION OF STEADY FLOW IN A RECTANGULAR DUCT

被引：6

作者：

AKYILDIZ, FT ^{[1
]}

JONES, RS ^{[1
]}

机构：

[1] UNIV WALES,DEPT MATH,ABERYSTWYTH,WALES

来源：

RHEOLOGICA ACTA | 1993年 / 32卷 / 05期

关键词：

TRANSIENT FLOW; RECTANGULAR CHANNEL; OLDROYD-B FLUID;

D O I：

10.1007/BF00396181

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The generation of the steady rectilinear flow of an Oldroyd B fluid in a rectangular duct is considered. The Laplace transform is used to separate out the time dependence from the governing equations and a Fourier series is used to solve the resulting Poisson problem in the space variables. It is seen that the presence of elasticity in the fluid gives rise to velocity 'overshoot'. The solution of Waters and King for the planar channel is recovered at large aspect ratios.

引用

页码：499 / 504

页数：6

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