PRESSURE DISTRIBUTION ON THE WALL OF THE INNER CYLINDER RECIPROCATING AXIALLY TO THE UNSTEADY FLOW OF VISCOELASTIC FLUID IN ECCENTRIC ANNULUS

In this article, the governing equations for the unsteady flow of viscoelastic fluid in the eccentric annulus with the inner cylinder reciprocating axially and the expression of the pressure distribution on the wall of the inner cylinder of the annulus are established and derived, respectively, unde...

Full description

Saved in:
Bibliographic Details
Published in:Journal of Hydrodynamics 2006-10, Vol.18 (5), p.606-612
Main Authors: Wang, Yan, Cui, Hai-qing, Yang, Yuan-jian, Guo, Jun-hui, Li, Nan
Format: Article
Language:English
Subjects:
内柱面
压力分布
流体动力学
黏弹性不稳定流
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In this article, the governing equations for the unsteady flow of viscoelastic fluid in the eccentric annulus with the inner cylinder reciprocating axially and the expression of the pressure distribution on the wall of the inner cylinder of the annulus are established and derived, respectively, under the bipolar coordinate system. The equations and the expression are solved and calculated numerically using the finite difference method, respectively. The curves of the pressure distribution on the wall of the inner cylinder of the aqueous solution of Hydrolyzed Polyacrylamide （HPAM） are plotted and the influences of annular eccentricity, stroke, and stroke frequency on the pressure distribution are analyzed.
ISSN:1001-6058
1878-0342
1000-4874
DOI:10.1016/S1001-6058(06)60142-X