Vortex breakdown in confined swirling flow of a dilute flexible polymer solution

Stokes, J. R., Graham, L. J. W. and Boger, D. V. (1996). Vortex breakdown in confined swirling flow of a dilute flexible polymer solution. In: Proceedings of the XIIth International Congress on Rheology. XIIth International Congress on Rheology, Quebec City, Canada, (359-360). 18-23 August, 1996.


Author Stokes, J. R.
Graham, L. J. W.
Boger, D. V.
Title of paper Vortex breakdown in confined swirling flow of a dilute flexible polymer solution
Conference name XIIth International Congress on Rheology
Conference location Quebec City, Canada
Conference dates 18-23 August, 1996
Proceedings title Proceedings of the XIIth International Congress on Rheology
Journal name Xiith International Congress On Rheology, Proceedings
Publication Year 1996
Sub-type Fully published paper
ISBN 2-9805109-0-4
Start page 359
End page 360
Total pages 2
Language eng
Abstract/Summary A torsionally driven cavity flow has been used to show the dramatic influence of elasticity on the swirling flow of low viscosity dilute polyacrylamide solutions. The exercise domain of vortex breakdown occurred at significantly greater Reynolds numbers for 45ppm polyacrylamide than for the Newtonian glycerol-water solvent of similar shear viscosity. Vortex breakdown appeared to be totally suppressed for a 75ppm polyacrylamide solution at the maximum Reynolds number tested.
Subjects 09 Engineering
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Conference Paper
Collection: School of Chemical Engineering Publications
 
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Created: Wed, 01 Jul 2009, 16:05:08 EST