Published in

Elsevier, Journal of Non-Newtonian Fluid Mechanics, 1-3(161), p. 19-29

DOI: 10.1016/j.jnnfm.2009.04.001

Links

Tools

Export citation

Search in Google Scholar

“Asymmetry in Transitional Pipe Flow of Drag-Reducing Polymer Solutions,”

Journal article published in 2009 by M. P. Escudier, S. Rosa ORCID, R. J. Poole
This paper is available in a repository.
This paper is available in a repository.

Full text: Download

Green circle
Preprint: archiving allowed
Red circle
Postprint: archiving forbidden
Red circle
Published version: archiving forbidden
Data provided by SHERPA/RoMEO

Abstract

New experimental data are presented and discussed for fully developed pipe flow of shear-thinning, viscoelastic polymer solutions in the transitional regime between laminar and turbulent flow. The data confirm that such transitional flows exhibit significant departures from axisymmetry in contrast to the fully developed pipe flow of Newtonian fluids or both laminar and turbulent flows of such drag-reducing liquids. The azimuthal structure of the asymmetry is investigated together with its axial development and also the velocity fluctuation levels. These data do not lead to an explanation for the asymmetry but do suggest that the influence of the flow geometry both upstream and downstream can be ruled out.