Volume 82, Number 2, April 2008
|Number of page(s)||6|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||15 April 2008|
Lattice Boltzmann spray-like fluids
Department of Mechanical and Industrial Engineering, University of “Roma Tre” - Via della Vasca Navale 79, Rome, Italy, EU
2 Istituto Applicazioni Calcolo “Mauro Picone”, CNR - V.le del Policlinico 137, Rome, Italy, EU
3 Department of Mechanical Engineering, University of “Tor Vergata” - Viale Politecnico, Rome, Italy, EU
4 EXA Corporation - 450 Bedford Street, Lexington, MA 02173, USA
Corresponding author: email@example.com
Accepted: 4 March 2008
The effect of the competition between short-range attraction and mid-range repulsion in lattice Boltzmann models of single-component non-ideal fluids is investigated. It is shown that the presence of repulsive interactions gives rise to long-lived metastable states in the form of multi-droplet spray-like density configurations, whose size can be adjusted by fine-tuning the strength of the repulsive vs. attractive coupling. This opens up the possibility of using single-component lattice kinetic models to study a new class of complex flow applications, involving atomization, spray formation, micro-emulsions and possibly, glassy-like phenomena as well.
PACS: 47.11.-j – Computational methods in fluid dynamics / 47.55.Ca – Gas/liquid flows / 47.55.dk – Surfactant effects
© EPLA, 2008
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