Search Results - "Geurts, B.J"

Highly scalable DNS solver for turbulent bubble-laden channel flow by Cifani, P., Kuerten, J.G.M., Geurts, B.J.

“…•Development of scalable numerical algorithms for turbulent bubbly flows.•Accuracy investigation of curvature computation for colliding bubbles and wall…”
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Automated analysis of the uroflometry curve by De Kort, L., Rosier, P.F.W.M., Wyndaele, M.I.A., Geurts, B.J.

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Delay of biomass pyrolysis by gas–particle interaction by Russo, E., Kuerten, J.G.M., Geurts, B.J.

“…•Simulate interaction between gas and particles and predict both pyrolysis and particle dispersion.•For volume fractions >10−5 the two-way coupling effects…”
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A computational error-assessment of central finite-volume discretizations in large-eddy simulation using a Smagorinsky model by Meyers, J., Geurts, B.J., Sagaut, P.

“…We present a framework for the computational assessment and comparison of large-eddy simulation methods. We apply this to large-eddy simulation of homogeneous…”
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Computing the apparent permeability of an array of staggered square rods using volume-penalization by Lopez Penha, D.J., Geurts, B.J., Stolz, S., Nordlund, M.

“…► We propose a computational model for the apparent permeability of porous media. ► Pore-scale simulation of incompressible flow is performed using…”
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DNS of turbulent channel flow subject to oscillatory heat flux by Bukhvostova, Anastasia, Kuerten, J.G.M., Geurts, B.J.

“…In this paper we study the heat transfer in a turbulent channel flow, which is periodically heated through its walls. We consider the flow of air and water…”
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Approximate deconvolution discretisation by Boguslawski, A., Tyliszczak, A., Geurts, B.J.

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Reducing Kapitza resistance of graphene–paraffin interfaces by alkyl functionalisation by Boomstra, M.W., Geurts, B.J., Lyulin, A.V.

“…Paraffin waxes are a promising material for heat storage. Improvement of the thermal conductivity can be obtained by adding graphene nanofillers, but…”
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Flow and bubble statistics of turbulent bubble-laden downflow channel by Cifani, P., Kuerten, J.G.M., Geurts, B.J.

“…•Fully resolved turbulent channel flow (Re  =  6300) for number of bubbles up to O(1000).•Liquid statistics increase homogeneity of the bulk flow with the gas…”
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A quantification method for numerical dissipation in quasi-DNS and under-resolved DNS, and effects of numerical dissipation in quasi-DNS and under-resolved DNS of turbulent channel flows by Komen, E.M.J., Camilo, L.H., Shams, A., Geurts, B.J., Koren, B.

“…LES for industrial applications with complex geometries is mostly characterised by: a) a finite volume CFD method using a non-staggered arrangement of the flow…”
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Dynamics of transitional jets emanating from a non-circular nozzle by Pawlowska, A., Boguslawski, A., Tyliszczak, A., Geurts, B.J.

“…The paper presents the results of an experimental study comparing free jets issuing from either a non-circular nozzle (square, hexagonal or triangular) or a…”
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28 - Automated analysis of the uroflometry curve by De Kort, L., Rosier, P.F.W.M., Wyndaele, M.I.A., Geurts, B.J.

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Effects of branching and polydispersity on thermal conductivity of paraffin waxes by Boomstra, M.W., van Asseldonk, M.W.J., Geurts, B.J., Nazarychev, V.M., Lyulin, A.V.

“…•Increased branching of paraffin molecules leads to decreased thermal conductivity.•Polydispersity has a minor effect on thermal conductivity at 250 K, but…”
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Simulation techniques for spatially evolving instabilities in compressible flow over a flat plate by Wasistho, B., Geurts, B.J., Kuerten, J.G.M.

“…In this paper we present numerical techniques suitable for a direct numerical simulation in the spatial setting. We demonstrate the application to the…”
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A comparison between the surface compression method and an interface reconstruction method for the VOF approach by Cifani, P., Michalek, W.R., Priems, G.J.M., Kuerten, J.G.M., van der Geld, C.W.M., Geurts, B.J.

“…•Compared a geometrical method and a high-resolution scheme for the VOF approach.•Established second order convergence of the geometrical method for advection…”
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Simulation of size-dependent aerosol deposition in a realistic model of the upper human airways by Frederix, E.M.A., Kuczaj, A.K., Nordlund, M., Bělka, M., Lizal, F., Jedelský, J., Elcner, J., Jícha, M., Geurts, B.J.

“…An Eulerian internally mixed aerosol model is used for predictions of deposition inside a realistic cast of the human upper airways. The model, formulated in…”
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Direct numerical simulation of Nusselt number scaling in rotating Rayleigh–Bénard convection by Kooij, G.L., Botchev, M.A., Geurts, B.J.

“…•We performed direct numerical simulations of rotating Rayleigh–Bénard convection.•We analyzed the scaling of the Nusselt number with the Rayleigh number.•The…”
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A block Krylov subspace implementation of the time-parallel Paraexp method and its extension for nonlinear partial differential equations by Kooij, G.L., Botchev, M.A., Geurts, B.J.

“…A parallel time integration method for nonlinear partial differential equations is proposed. It is based on a new implementation of the Paraexp method for…”
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Reynolds-averaged modeling of turbulence damping near a large-scale interface in two-phase flow by Frederix, E.M.A., Mathur, A., Dovizio, D., Geurts, B.J., Komen, E.M.J.

“…•A two-fluid RANS model is applied to large scale interface turbulence.•Turbulence damping is achieved with the Egorov model in k-omega.•The Egorov model is…”
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Zeitlin Truncation of a Shallow Water Quasi‐Geostrophic Model for Planetary Flow by Franken, A. D., Caliaro, M., Cifani, P., Geurts, B. J.

“…In this work, we consider a Shallow‐Water Quasi Geostrophic equation on the sphere, as a model for global large‐scale atmospheric dynamics. This equation,…”
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