Modeling viscous drag in binary fluid mixtures

We define a lattice Boltzmann algorithm for two-fluid hydrodynamics which includes viscous coupling between the two fluid components. Hence we show that, when an oscillatory shear is applied to one of the components, a pattern of vortices is set up which establishes concentration modulations even wi...

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Bibliographic Details
Published in:Computer physics communications 2000-05, Vol.127 (1), p.105-112
Main Authors: Malevanets, A., Yeomans, J.M.
Format: Article
Language:English
Subjects:
Computational methods in fluid dynamics
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Hydrodynamic stability
Instability of shear flows
Physics
Viscous instability
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Summary:We define a lattice Boltzmann algorithm for two-fluid hydrodynamics which includes viscous coupling between the two fluid components. Hence we show that, when an oscillatory shear is applied to one of the components, a pattern of vortices is set up which establishes concentration modulations even within the mixed phase.
ISSN:0010-4655
1879-2944
DOI:10.1016/S0010-4655(00)00030-8