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Research Output 2009 2019

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2019

110th Anniversary: Effect of System Size on Boundary-Driven Contact Charging in Particulate Flows

Kolehmainen, J., Ceresiat, L., Ozel, A. & Sundaresan, S., 25 Sep 2019, In : Industrial and Engineering Chemistry Research. 58, 38, p. 17980-17990 11 p.

Research output: Contribution to journalArticle

particulates
charging
tubes
two fluid models
granular materials

Computationally generated constitutive models for particle phase rheology in gas-fluidized suspensions

Gu, Y., Ozel, A., Kolehmainen, J. & Sundaresan, S., 10 Feb 2019, In : Journal of Fluid Mechanics. 860, p. 318-349 32 p.

Research output: Contribution to journalArticle

Open Access
File
rheology
gases
granular materials
kinetic theory
simulation

Neural-network-based filtered drag model for gas-particle flows

Jiang, Y., Kolehmainen, J., Gu, Y., Kevrekidis, Y. G., Ozel, A. & Sundaresan, S., 15 Mar 2019, In : Powder Technology. 346, p. 403-413 11 p.

Research output: Contribution to journalArticle

Drag
Neural networks
Gases
Fluids
Pressure gradient
2018

Effects of Polarization on Particle-Laden Flows

Kolehmainen, J., Ozel, A., Gu, Y., Shinbrot, T. & Sundaresan, S., 21 Sep 2018, In : Physical Review Letters. 121, 12, 124503.

Research output: Contribution to journalArticle

Open Access
File

Eulerian modelling of gas–solid flows with triboelectric charging

Kolehmainen, J., Ozel, A. & Sundaresan, S., 10 Aug 2018, In : Journal of Fluid Mechanics. 848, p. 340-369

Research output: Contribution to journalArticle

Open Access
File

Experimental and numerical study of wall layer development in a tribocharged fluidized bed

Sippola, P., Kolehmainen, J., Ozel, A., Liu, X., Saarenrinne, P. & Sundaresan, S., 25 Aug 2018, In : Journal of Fluid Mechanics. 849, p. 860-884

Research output: Contribution to journalArticle

Open Access
File

Toward Constitutive Models for Momentum, Species, and Energy Transport in Gas–Particle Flows

Sundaresan, S., Ozel, A. & Kolehmainen, J., 7 Jun 2018, In : Annual Review of Chemical and Biomolecular Engineering. 9

Research output: Contribution to journalArticle

Technology Transfer
Energy Transfer
Learning
Dependency (Psychology)
2017

Analysis of the effect of small amounts of liquid on gas–solid fluidization using CFD-DEM simulations

Boyce, C. M., Ozel, A., Kolehmainen, J. & Sundaresan, S., 21 Jun 2017, In : AIChE Journal.

Research output: Contribution to journalArticle

fluidization
digital elevation model
liquid
simulation
surface tension

Effective particle diameters for simulating fluidization of non-spherical particles: CFD-DEM models vs. MRI measurements

Boyce, C. M., Ozel, A., Rice, N. P., Rubinstein, G. J., Holland, D. J. & Sundaresan, S., Jul 2017, In : AIChE Journal. 63, 7, p. 2555-2568 14 p.

Research output: Contribution to journalArticle

magnetic resonance
fluids
beds
simulation
drag

Effect of humidity on triboelectric charging in a vertically vibrated granular bed: Experiments and modeling

Kolehmainen, J., Sippola, P., Raitanen, O., Ozel, A., Boyce, C. M., Saarenrinne, P. & Sundaresan, S., 14 Dec 2017, In : Chemical Engineering Science. 173, p. 363-373 11 p.

Research output: Contribution to journalArticle

charging
humidity
beds
containers
glass

Growth and breakup of a wet agglomerate in a dry gas--solid fluidized bed

Boyce, C. M., Ozel, A., Kolehmainen, J., Sundaresan, S., McKnight, C. A. & Wormsbecker, M., Jul 2017, In : AIChE Journal. 63, 7, p. 2520–2527 8 p.

Research output: Contribution to journalArticle

Fluidized beds
Liquids
Gases
Surface tension
Computational fluid dynamics

Lattice Boltzmann simulations of low-Reynolds-number flows past fluidized spheres: effect of inhomogeneities on the drag force

Rubinstein, G. J., Ozel, A., Yin, X., Derksen, J. J. & Sundaresan, S., 25 Dec 2017, In : Journal of Fluid Mechanics. 833, p. 599-630 32 p.

Research output: Contribution to journalArticle

Open Access
File
low Reynolds number
drag
inhomogeneity
simulation
fluids

Particle resolved direct numerical simulation of a liquid-solid fluidized bed: Comparison with experimental data

Ozel, A., de Motta, J. C. B., Abbas, M., Fede, P., Masbernat, O., Vincent, S., Estivalezes, J-L. & Simonin, O., Mar 2017, In : International Journal of Multiphase Flow. 89, p. 228-240 13 p.

Research output: Contribution to journalArticle

direct numerical simulation
beds
liquids
simulation
kinetic energy

Towards filtered drag force model for non-cohesive and cohesive particle-gas flows

Ozel, A., Gu, Y., Milioli, C. C., Kolehmainen, J. & Sundaresan, S., 31 Oct 2017, In : Physics of Fluids. 29, 10, 103308.

Research output: Contribution to journalArticle

Open Access
File
drag
gas flow
grids
scalars
solids flow

Triboelectric charging of monodisperse particles in fluidized beds

Kolehmainen, J., Ozel, A., Boyce, C. M. & Sundaresan, S., Jun 2017, In : AIChE Journal. 63, 6, p. 1872-1891 20 p.

Research output: Contribution to journalArticle

charging
beds
particle charging
hydrodynamics
electric fields
2016

A hybrid approach to computing electrostatic forces in fluidized beds of charged particles

Kolehmainen, J., Ozel, A., Boyce, C. M. & Sundaresan, S., Jul 2016, In : AIChE Journal. 62, 7, p. 2282-2295 14 p.

Research output: Contribution to journalArticle

beds
charged particles
electrostatics
capture effect
electric charge

A modified cohesion model for CFD-DEM simulations of fluidization

Gu, Y., Ozel, A. & Sundaresan, S., Aug 2016, In : Powder Technology. 296, p. 17-28 12 p.

Research output: Contribution to journalArticle

cohesion
charge flow devices
simulation
stiffness
flow distribution

Fluid and particle coarsening of drag force for discrete-parcel approach

Ozel, A., Kolehmainen, J., Radl, S. & Sundaresan, S., 10 Aug 2016, In : Chemical Engineering Science. 155, p. 258-267 10 p.

Research output: Contribution to journalArticle

Intrusion of a Liquid Droplet into a Powder under Gravity

Boyce, C. M., Ozel, A. & Sundaresan, S., 30 Aug 2016, In : Langmuir. 32, 34, p. 8631-8640 10 p.

Research output: Contribution to journalArticle

intrusion
gravitation
liquids
beds
fluids

Magnetic resonance characterization of coupled gas and particle dynamics in a bubbling fluidized bed

Boyce, C. M., Rice, N. P., Ozel, A., Davidson, J. F., Sederman, A. J., Gladden, L. F., Sundaresan, S., Dennis, J. S. & Holland, D. J., Nov 2016, In : Physical Review Fluids. 1, 7, 074201.

Research output: Contribution to journalArticle

gas dynamics
magnetic resonance
beds
gases
interstices

Numerical studies of the effects of fines on fluidization

Gu, Y., Ozel, A. & Sundaresan, S., Jul 2016, In : AIChE Journal. 62, 7, p. 2271-2281 11 p.

Research output: Contribution to journalArticle

fines
bubbles
Van der Waals forces
beds
voids

Rheology of granular materials with size distributions across dense-flow regimes

Gu, Y., Ozel, A. & Sundaresan, S., Jul 2016, In : Powder Technology. 295, p. 322-329 8 p.

Research output: Contribution to journalArticle

granular materials
rheology
shear flow
stress ratio
skewness
2015

The Effect Liquid Loading on the Rheology of Granular Flows

Ozel, A., Gu, Y., Radl, S., Sundaresan, S. & Collaboration, C., 3 Mar 2015, In : Bulletin of the American Physical Society. 60, 1

Research output: Contribution to journalArticle

rheology
liquid bridges
liquids
cohesion
shear
2013
simulation
mesh size
size structure
momentum
convection