Search Results - "Padding, J.T."

Viscoelastic effects on residual oil distribution in flows through pillared microchannels by De, S., Krishnan, P., van der Schaaf, J., Kuipers, J.A.M., Peters, E.A.J.F., Padding, J.T.

“…[Display omitted] Multiphase flow through porous media is important in a number of industrial, natural and biological processes. One application is enhanced…”
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Modification of kinetic theory of granular flow for frictional spheres, Part I: Two-fluid model derivation and numerical implementation by Yang, L. (Lei), Padding, J.T. (Johan), Kuipers, J.A.M. (Hans)

“…We derive a kinetic theory of granular flow (KTGF) for frictional spheres in dense systems, including rotation, sliding and sticking collisions. We use the…”
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A coupled Volume of Fluid and Immersed Boundary Method for simulating 3D multiphase flows with contact line dynamics in complex geometries by Patel, H.V., Das, S., Kuipers, J.A.M., Padding, J.T., Peters, E.A.J.F.

“…•We present a 3D coupled VOF and sharp interface-implicit IBM for multiphase flows.•Contact line dynamic is resolved by applying a contact angle boundary…”
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A granular Discrete Element Method for arbitrary convex particle shapes: Method and packing generation by Seelen, L.J.H., Padding, J.T., Kuipers, J.A.M.

“…[Display omitted] •A new DEM method is introduced to simulate any convex particle shape.•The method uses a new contact point detection scheme.•Mechanical…”
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Three-dimensional fluidized beds with rough spheres: Validation of a Two Fluid Model by Magnetic Particle Tracking and discrete particle simulations by Yang, Lei, Padding, J.T., Buist, K.A., Kuipers, J.A.M.

“…[Display omitted] •A two fluid model based on kinetic theory of granular flow for rough spheres is used.•For the first time the model is validated for full 3D…”
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Integrated DEM–CFD modeling of the contact charging of pneumatically conveyed powders by Korevaar, M.W., Padding, J.T., Van der Hoef, M.A., Kuipers, J.A.M.

“…A model is proposed that incorporates contact charging (also known as triboelectric charging) of pneumatically conveyed powders in a DEM–CFD framework, which…”
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Viscoelastic flow simulations in random porous media by De, S., Kuipers, J.A.M., Peters, E.A.J.F., Padding, J.T.

“…We investigate creeping flow of a viscoelastic fluid through a three dimensional random porous medium using computational fluid dynamics. The simulations are…”
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Modification of kinetic theory of granular flow for frictional spheres, part II: Model validation by Yang, L. (Lei), Padding, J.T. (Johan), Kuipers, J.A.M. (Hans)

“…The hydrodynamics of a dense solid–gas fluidized bed is studied, using a two fluid model (TFM) based on our newly developed kinetic theory of granular flow…”
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Experimental study on orientation and de-mixing phenomena of elongated particles in gas-fluidized beds by Boer, L., Buist, K.A., Deen, N.G., Padding, J.T., Kuipers, J.A.M.

“…In this experimental study the segregation behavior for fluidized mixtures of spherical and cylindrical particles is investigated. In industry, fluidization of…”
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Stochastic DSMC method for dense bubbly flows: Methodology by Kamath, S., Padding, J.T., Buist, K.A., Kuipers, J.A.M.

“…•Extension of the Direct Simulation Monte Carlo (DSMC) method for dense bubbly flows.•Verification and validation with DPM/DBM and experiments from…”
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Cross-validation of 3D particle tracking velocimetry for the study of granular flows down rotating chutes by Shirsath, S.S., Padding, J.T., Clercx, H.J.H., Kuipers, J.A.M.

“…Three-dimensional particle tracking velocimetry (3D-PTV) is a promising technique to study the behavior of granular flows. The aim of this paper is to…”
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On an efficient hybrid soft and hard sphere collision integration scheme for DEM by Buist, K.A., Seelen, L.J.H., Deen, N.G., Padding, J.T., Kuipers, J.A.M.

“…This paper introduces a novel hybrid collision integration scheme that combines the benefits of the hard-sphere and the soft-sphere methodology. It assumes…”
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Experimental study of monodisperse granular flow through an inclined rotating chute by Shirsath, S.S., Padding, J.T., Deen, N.G., Clercx, H.J.H., Kuipers, J.A.M.

“…In blast furnaces, particles like coke, sinter and pellets enter from a hopper and are distributed on the burden surface by a rotating chute. Such particulate…”
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Detailed numerical simulation of an intruder impacting on a granular bed using a hybrid discrete particle and immersed boundary (DP-IB) method by Xu, Y., Padding, J.T., van der Hoef, M.A., Kuipers, J.A.M.

“…We numerically study the impact of a large sphere dropping into a prefluidized granular bed using a state-of-the-art hybrid discrete particle and immersed…”
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Less is more: Optimisation of variable catalyst loading in CO 2 electroreduction by Blake, J.W., Haverkort, J.W., Padding, J.T.

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Analytical modelling of CO 2 reduction in gas-diffusion electrode catalyst layers by Blake, J.W., Padding, J.T., Haverkort, J.W.

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Constitutive equations for extensional flow of wormlike micelles: stability analysis of the Bautista–Manero model by Boek, E.S., Padding, J.T., Anderson, V.J., Tardy, P.M. J., Crawshaw, J.P., Pearson, J.R. A.

“…We carry out a stability analysis of the Bautista–Manero (B–M) constitutive equations for extensional flow of wormlike micelles. We show that all solutions for…”
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Less is more: Optimisation of variable catalyst loading in CO2 electroreduction by Blake, J.W., Haverkort, J.W., Padding, J.T.

“…The electrochemical conversion of CO2 is a promising method of carbon-neutral chemical production. However, commercial realisation in aqueous electrolytes is…”
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Analytical modelling of CO2 reduction in gas-diffusion electrode catalyst layers by Blake, J.W., Padding, J.T., Haverkort, J.W.

“…•Analytical approximation of cathodic catalyst layer local environment and reactions developed.•Model verified with both numerical and experimental…”
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Heat transfer from wall to dense packing structures of spheres, cylinders and Raschig rings by Moghaddam, E.M., Foumeny, E.A., Stankiewicz, A.I., Padding, J.T.

“…•RBD-CFD approach is validated for modeling heat transfer in tortuous structures.•In-situ behavior of velocity and thermal fields in packings of cylinders and…”
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