Rapid multiphase flow dynamics mapped by single‐shot MRI velocimetry

A Amar, B Blümich, F Casanova - ChemPhysChem, 2010 - Wiley Online Library
… However, as the maximum signal acquisition time in this sequence is limited by the homogeneity
of the magnetic field, that is, by the effective transverse relaxation time T 2 *, EPI usually …

Multiphase flow

A Günther, MT Kreutzer - Micro Process Engineering: A …, 2009 - Wiley Online Library
… characterizing single-and multiphase flows inside parallel flow channels of monolith reactors.
The single excitation multiple image rapid acquisition with relaxation enhancement (SEMI-…

Multiple-relaxation-time lattice Boltzmann scheme for homogeneous mixture flows with external force

P Asinari - Physical Review E—Statistical, Nonlinear, and Soft …, 2008 - APS
… Hence the goal of this paper is twofold: 1 to design a multiple-relaxation-time MRT
formulation of the already proposed model 15 and to prove that the recovered equations at the …

Lattice Boltzmann model for axisymmetric multiphase flows

KN Premnath, J Abraham - Physical Review E—Statistical, Nonlinear, and Soft …, 2005 - APS
… metric multiphase flows, we propose an axisymmetric LB … The dynamic viscosity is related
to the relaxation time for … to the axisymmetric LBE multiphase flow model is given by Eqs. 27 …

Topology optimization of multi-component flows using a multi-relaxation time lattice Boltzmann method

D Makhija, G Pingen, R Yang, K Maute - Computers & fluids, 2012 - Elsevier
… and shape of flow channels in micro-mixers for miscible fluids under steady-state conditions.
The multi component flow is predicted by a multi-relaxation time lattice Boltzmann method (…

Multiple-relaxation time color-gradient lattice Boltzmann model for simulating contact angle in two-phase flows with high density ratio

SM Sheikholeslam Noori, M Taeibi Rahni… - The European Physical …, 2019 - Springer
multiphase model (SCMP) and multi-component multiphase model (MCMP), in which the
component refers to a chemical constituent. Among LBM multiphase … interfacial multiphase and …

Multiple-relaxation-time lattice Boltzmann simulation of flow and heat transfer in porous volumetric solar receivers

W Zhao, Y Zhang, B Xu, P Li… - Journal of Energy …, 2018 - asmedigitalcollection.asme.org
… where u is the velocity, L is the characteristic length, ν is the kinematic viscosity, α is the
thermal diffusivity, T is the temperature, τ is the flow dimensionless relaxation time (DRT), N is the …

Multiple-relaxation-time lattice Boltzmann model for the convection and anisotropic diffusion equation

H Yoshida, M Nagaoka - Journal of Computational Physics, 2010 - Elsevier
… Then, we let each component relax to the equilibrium with a different relaxation coefficient. …
the single relaxation coefficient, the MRT model allows us to tune the relaxation coefficient …

Arbitrary-rate relaxation techniques for the numerical modeling of compressible two-phase flows with heat and mass transfer

M Pelanti - International Journal of Multiphase Flow, 2022 - Elsevier
… in various flow problems. In the present work we introduce new numerical relaxation techniques
… heat and mass transfer processes of arbitrary relaxation time, and the applicability to a …

Modelling merging and fragmentation in multiphase flows with SURFER

B Lafaurie, C Nardone, R Scardovelli, S Zaleski… - Journal of computational …, 1994 - Elsevier
… We are currently considering the extension of the method to compressible flow, but in this
paper we consider only divergence-free flows. Our numerical method will represent physical …