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Ternary free-energy entropic lattice Boltzmann model with high density ratio.

Wöhrwag, M. and Semprebon, C. and Mazloomi Moqaddam, A. and Karlin, I. and Kusumaatmaja, H. (2018) 'Ternary free-energy entropic lattice Boltzmann model with high density ratio.', Physical review letters., 120 (23). p. 234501.

Abstract

A thermodynamically consistent free energy model for fluid flows comprised of one gas and two liquid components is presented and implemented using the entropic lattice Boltzmann scheme. The model allows a high density ratio, up to the order of O ( 10 3 ) , between the liquid and gas phases, and a broad range of surface tension ratios, covering partial wetting states where Neumann triangles are formed, and full wetting states where complete encapsulation of one of the fluid components is observed. We further demonstrate that we can capture the bouncing, adhesive, and insertive regimes for the binary collisions between immiscible droplets suspended in air. Our approach opens up a vast range of multiphase flow applications involving one gas and several liquid components.

Item Type:Article
Full text:(AM) Accepted Manuscript
First Live Deposit - 31 May 2018
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1103/physrevlett.120.234501
Publisher statement:Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Record Created:31 May 2018 10:58
Last Modified:12 Jun 2018 09:41

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