Application of the multicomponent lattice Boltzmann simulation method to oil/water dispersions

SEATON, M A, HALLIDAY, Ian and MASTERS, A J (2011). Application of the multicomponent lattice Boltzmann simulation method to oil/water dispersions. Journal of Physics A: Mathematical and Theoretical, 44 (10), p. 105502.

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Link to published version:: 10.1088/1751-8113/44/10/105502


We study the propagation of acoustic fields in bounded, two-dimensional, mono-disperse oil/water emulsions using a carefully modified and appropriately calibrated single relaxation time multicomponent lattice Boltzmann equation simulation. Our model is a variant of an algorithm applying both interface forces based on macroscopic surface tensions and a kinematic condition for phase separation, adapted to allow sonic speed variations between its oil and water components. Appropriate second-order accurate acoustic boundary conditions are obtained from a node-based lattice closure with local mass conservation and applicability for varying fluid viscosities. Data from an example simulation of a single oil drop in water interacting with a generated standing acoustic wave are presented and, where appropriate, compared with empirical theories and analogous calculations for a solid object.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Polymers Nanocomposites and Modelling Research Centre > Materials and Fluid Flow Modelling Group
Identification Number: 10.1088/1751-8113/44/10/105502
Depositing User: Helen Garner
Date Deposited: 26 Sep 2012 08:27
Last Modified: 26 Sep 2012 08:27

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