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INCIPIENT FLOW OF ELASTICOVISCOUS FLUID IN A PIPE

INCIPIENT FLOW OF ELASTICOVISCOUS FLUID IN A PIPE The theoretical derivation of the startup laminar flow of incompressible viscous fluid in a long pipe as suggested by Szymanski, could not be verified experimentally. This leads to the checking of assumption of constant pressure gradient across the ends of the pipe, on the basis of which the theoretical development was made. Recently, the problem was again investigated for viscous fluid by Otis. In the present paper, the laminar startup flow of elasticoviscous fluid in a pipe, without assuming constant pressure gradient across its ends, has been investigated. The nonlinear governing equations are solved numerically and the effects of startup flow parameters and elasticoviscous parameter on the velocity distribution have been studied. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Engineering Computations Emerald Publishing

INCIPIENT FLOW OF ELASTICOVISCOUS FLUID IN A PIPE

Engineering Computations , Volume 9 (1): 11 – Jan 1, 1992

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0264-4401
DOI
10.1108/eb023850
Publisher site
See Article on Publisher Site

Abstract

The theoretical derivation of the startup laminar flow of incompressible viscous fluid in a long pipe as suggested by Szymanski, could not be verified experimentally. This leads to the checking of assumption of constant pressure gradient across the ends of the pipe, on the basis of which the theoretical development was made. Recently, the problem was again investigated for viscous fluid by Otis. In the present paper, the laminar startup flow of elasticoviscous fluid in a pipe, without assuming constant pressure gradient across its ends, has been investigated. The nonlinear governing equations are solved numerically and the effects of startup flow parameters and elasticoviscous parameter on the velocity distribution have been studied.

Journal

Engineering ComputationsEmerald Publishing

Published: Jan 1, 1992

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