Flow of wormlike micelles in an expansion-contraction geometry

M.R. Stukan, E.S. Boek, J.T. Padding, W.J. Briels, J.P. Crawshaw

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    37 Citations (Scopus)
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    Recently there has been a great deal of attention, from researchers both in academia and in industry, focused on the rheological properties of solutions of viscoelastic wormlike micelles formed by surfactants. It is particularly vital to understand the properties of these solutions with regard to their flow in porous media, given their application to the recovery of hydrocarbons from subterranean formations. In this study a realistic mesoscopic Brownian dynamics model has been utilized to investigate the flow of viscoelastic surfactant (VES) fluid through individual pores with sizes of around one micron. In particular the influence of micelle size, pore geometry and flow rate on the ability of worms to pass through the pores was studied. The ways in which these parameters influence the conformational properties of the worms and the spatial distribution of micelles inside the simulation cell was also investigated. Despite the observation that the density and length distributions became non-uniform at higher scission energy, the distribution of breaking and fusion events remained spatially uniform. This journal is © The Royal Society of Chemistry.
    Original languageEnglish
    Pages (from-to)870-879
    Number of pages10
    JournalSoft Matter
    Issue number4
    Publication statusPublished - 2008


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