Lattice Boltzmann Simulations of Microemulsions and Binary Immiscible Fluids Under Shear

Jens Harting and Giovanni Giupponi
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Jens Harting: Institut für Computerphysik
Giovanni Giupponi: University College London, Centre for Computational Science, Chemistry Department

A chapter in High Performance Computing in Science and Engineering `07, 2008, pp 457-470 from Springer

Abstract: Abstract Large scale lattice Boltzmann simulations are utilized to investigate spinodal decomposition and structuring effects in binary immiscible and ternary amphiphilic fluid mixtures under shear. We use a highly scalable parallel Fortran 90 code for the implementation of the simulation method and demonstrate that adding surfactant to a system of immiscible fluid constituents can change the mixture’s properties profoundly: stable bicontinuous microemulsions form which undergo a transition from a sponge to a lamellar phase by applying a constant shear. Under oscillatory shear tubular structures can be observed.

Keywords: Surfactant Concentration; Domain Size; Lattice Boltzmann Method; Spinodal Decomposition; Oscillatory Shear (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-74739-0_31

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DOI: 10.1007/978-3-540-74739-0_31

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