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Lattice Boltzmann Methods for Multiphase Flow Simulations across Scales

Published online by Cambridge University Press:  20 August 2015

Giacomo Falcucci*
Affiliation:
Department of Technologies, University of Naples “Parthenope”, Centro Direzionale-Isola C4, 80143 Naples, Italy
Stefano Ubertini*
Affiliation:
Department of Technologies, University of Naples “Parthenope”, Centro Direzionale-Isola C4, 80143 Naples, Italy
Chiara Biscarini*
Affiliation:
H2CU, Honors Center of Italian Universities-University of Rome “La Sapienza”, Rome, Italy Water Resources Research and Documentation Centre, University for Foreigners, Villa La Colombella, Perugia, Italy
Silvia Di Francesco*
Affiliation:
H2CU, Honors Center of Italian Universities-University of Rome “La Sapienza”, Rome, Italy Department of Civil and Environmental Engineering, University of Perugia, Via G. Duranti 93, Perugia, Italy
Daniele Chiappini*
Affiliation:
Department of Mechanical Engineering, University of Rome “Tor Vergata”, Viale Politecnico, Rome, Italy
Silvia Palpacelli
Affiliation:
Nu.M.I.D.I.A. srl, Via Berna 31, 00184 Roma, Italy
Alessandro De Maio*
Affiliation:
Nu.M.I.D.I.A. srl, Via Berna 31, 00184 Roma, Italy
Sauro Succi*
Affiliation:
Istituto Applicazioni Calcolo, CNR, Via dei Taurini 9, 00185 Rome, Italy
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Abstract

The simulation of multiphase flows is an outstanding challenge, due to the inherent complexity of the underlying physical phenomena and to the fact that multiphase flows are very diverse in nature, and so are the laws governing their dynamics. In the last two decades, a new class of mesoscopic methods, based on minimal lattice formulation of Boltzmann kinetic equation, has gained significant interest as an efficient alternative to continuum methods based on the discretisation of the NS equations for non ideal fluids. In this paper, three different multiphase models based on the lattice Boltzmann method (LBM) are discussed, in order to assess the capability of the method to deal with multiphase flows on a wide spectrum of operating conditions and multiphase phenomena. In particular, the range of application of each method is highlighted and its effectiveness is qualitatively assessed through comparison with numerical and experimental literature data.

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Type
Research Article
Copyright
Copyright © Global Science Press Limited 2011

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