Experimental techniques for multiphase flows

RL Powell - Physics of fluids, 2008 - pubs.aip.org
… This paper reviews methods for studying flows of multiphase fluids. These systems are
typically a solid phase suspended in a liquid but could also include emulsions, suspensions of …

[PDF][PDF] Multiphase flow dynamics

K Hiltunen, A Jäsberg, S Kallio, H Karema… - Theory and Numerics …, 2009 - academia.edu
flows, liquid-liquid flows, and the flow through porous medium. In the first part of this publication
we give a comprehensive review of the theory of multiphase flows … the relaxation time of …

Three-dimensional multi-relaxation time lattice-Boltzmann model for the drop impact on a dry surface at large density ratio

D Zhang, K Papadikis, S Gu - International Journal of Multiphase Flow, 2014 - Elsevier
… the multiphase lattice Boltzmann model to realistic fluid flowsrelaxation time (MRT) lattice
Boltzmann model with an improved forcing scheme is reported for simulating multiphase flows

Multiple-relaxation-time lattice Boltzmann method for immiscible fluids at high Reynolds numbers

A Fakhari, T Lee - Physical Review E—Statistical, Nonlinear, and Soft …, 2013 - APS
… The lattice Boltzmann method for immiscible multiphase flows with large density ratio is
extended to high Reynolds number flows using a multiple-relaxation-time (MRT) collision …

Physical aspects of the relaxation model in two-phase flow

Z Bilicki, J Kestin - Proceedings of the Royal Society of …, 1990 - royalsocietypublishing.org
… We can adopt the physical interpretation that the relaxation time 6 is very long compared
with w_1. The second speed, the equilibrium speed of propagation, is defined as …

An investigation of water-gas transport processes in the gas-diffusion-layer of a PEM fuel cell by a multiphase multiple-relaxation-time lattice Boltzmann model

XD Niu, T Munekata, SA Hyodo, K Suga - Journal of Power Sources, 2007 - Elsevier
… In this paper, a MRTLB model for multiphase flows with large density ratios and various
viscosities is developed and applied to simulate water-gas transportations in the GDL of a PEM …

Multirelaxation-time interaction-potential-based lattice Boltzmann model for two-phase flow

Z Yu, LS Fan - Physical Review E—Statistical, Nonlinear, and Soft …, 2010 - APS
… compared to the single relaxation time LBM. In addition, the … numerical simulation of multiphase
flows. Unlike other traditional … In addition, for multiphase flows, the phase segregation in …

Kinetic-based multiphase flow simulation

W Li, D Liu, M Desbrun, J Huang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
relaxation time, both conspiring to create artificially large velocities near interfaces and
thus ruining both accuracy and stability. We introduce a fix for each issue, and show that the …

Entropic multiple-relaxation-time multirange pseudopotential lattice Boltzmann model for two-phase flow

F Qin, A Mazloomi Moqaddam, Q Kang, D Derome… - Physics of …, 2018 - pubs.aip.org
… Since most pseudopotential multiphase models are extensions derived from LBGK, they are
multiphase flows. One possible way of improvement is the use of multiple-relaxation-time (…

A unified lattice Boltzmann model and application to multiphase flows

KH Luo, L Fei, G Wang - Philosophical Transactions of …, 2021 - royalsocietypublishing.org
… (SRT) model, in which all the distribution functions relax to their … An improved model is the
multiple relaxation time (MRT) operator… Individual relaxation times could be used for different …