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Effect of salt on turbulent drag reduction of xanthan gum.

Identifieur interne : 000185 ( Main/Exploration ); précédent : 000184; suivant : 000186

Effect of salt on turbulent drag reduction of xanthan gum.

Auteurs : Cheng Hai Hong [Corée du Sud] ; Hyoung Jin Choi [Corée du Sud] ; Ke Zhang [République populaire de Chine] ; Frederic Renou [France] ; Michel Grisel [France]

Source :

RBID : pubmed:25659708

Abstract

The turbulent flow of an aqueous KCl solution driven by a rotating disc in a closed chamber showed significant drag reduction (DR) when a small amount of xanthan gum (XG) was added. The effects of the experimental parameters (XG and KCl concentrations, and time) on the drag reduction efficiency were examined. While the DR efficiency of XG decreased with increasing salt (KCl) concentration, the time-dependent DR efficiency was found to be fitted well using Brostow model equation.

DOI: 10.1016/j.carbpol.2014.12.015
PubMed: 25659708


Affiliations:


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