The clustering instability in rapid granular and gas-solid flows

WD Fullmer, CM Hrenya - Annual Review of Fluid Mechanics, 2017 - annualreviews.org
Flows of solid particles are known to exhibit a clustering instability—dynamic microstructures
characterized by a dense region of highly concentrated particles surrounded by a dilute …

Clustering instabilities in sedimenting fluid–solid systems: critical assessment of kinetic-theory-based predictions using direct numerical simulation data

WD Fullmer, G Liu, X Yin, CM Hrenya - Journal of Fluid Mechanics, 2017 - cambridge.org
In this work the quantitative and qualitative ability of a kinetic-theory-based two-fluid model
(KT-TFM) is assessed in a state of fully periodic sedimentation (fluidization), with a focus on …

Effects of granular temperature on inter-phase drag in gas-solid flows

Z Huang, H Wang, Q Zhou, T Li - Powder technology, 2017 - Elsevier
Direct numerical simulations with a second-order immersed boundary-lattice Boltzmann
method are used to investigate the effect of particle fluctuation on flows in fixed random …

Time-dependent homogeneous states of binary granular suspensions

R Gómez González, V Garzó - Physics of Fluids, 2021 - pubs.aip.org
The time evolution of a homogeneous bidisperse granular suspension is studied in the
context of the Enskog kinetic equation. The influence of the surrounding viscous gas on the …

Effects of particle velocity fluctuations on inter-phase heat transfer in gas-solid flows

Z Huang, C Zhang, M Jiang, H Wang, Q Zhou - Chemical Engineering …, 2019 - Elsevier
Heat transfer in gas-solid flows has been numerically investigated via an immersed
boundary-thermal lattice Boltzmann method. Stationary random assemblies of spheres are …

Kinetic theory of granular particles immersed in a molecular gas

RG González, V Garzó - Journal of Fluid Mechanics, 2022 - cambridge.org
The transport coefficients of a dilute gas of inelastic hard spheres immersed in a gas of
elastic hard spheres (molecular gas) are determined. We assume that the number density of …

[КНИГА][B] Applications of mathematical heat transfer and fluid flow models in engineering and medicine

AS Dorfman - 2017 - books.google.com
Applications of mathematical heat transfer and fluid flow models in engineering and
medicine Abram S. Dorfman, University of Michigan, USA Engineering and medical …

Rheology of granular particles immersed in a molecular gas under uniform shear flow

R Gómez González, M García Chamorro, V Garzó - Physical Review E, 2024 - APS
Non-Newtonian transport properties of a dilute gas of inelastic hard spheres immersed in a
molecular gas are determined. We assume that the granular gas is sufficiently rarefied, and …

Transport coefficients for granular suspensions at moderate densities

RG González, V Garzó - Journal of Statistical Mechanics: Theory …, 2019 - iopscience.iop.org
The Enskog kinetic theory for moderately dense granular suspensions is considered as a
model to determine the Navier–Stokes transport coefficients. The influence of the interstitial …

Stability analysis of the homogeneous hydrodynamics of a model for a confined granular gas

JJ Brey, V Buzón, MI García de Soria, P Maynar - Physical Review E, 2016 - APS
The linear hydrodynamic stability of a model for confined quasi-two-dimensional granular
gases is analyzed. The system exhibits homogeneous hydrodynamics, ie, there are …