Search Results - "Dixon, Anthony G"

General correlation for pressure drop through randomly‐packed beds of spheres with negligible wall effects by Dixon, Anthony G.

“…Pressure drop in fixed beds has been studied for over a century and a large number of conflicting correlations exist in the literature. Contributing factors to…”
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CFD Method To Couple Three-Dimensional Transport and Reaction inside Catalyst Particles to the Fixed Bed Flow Field by Dixon, Anthony G, Taskin, M. Ertan, Nijemeisland, Michiel, Stitt, E. Hugh

“…A new method is presented to couple the fluid flow in a fixed bed to the transport and reaction inside a catalyst particle, using computational fluid dynamics…”
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Local transport and reaction rates in a fixed bed reactor tube: Endothermic steam methane reforming by Dixon, Anthony G.

“…•CFD resolved-particle fixed-bed simulations with diffusion and reaction inside pellet.•Velocity and main transport parameters obtained from non-reacting…”
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CFD study of fluid flow and wall heat transfer in a fixed bed of spheres by Nijemeisland, Michiel, Dixon, Anthony G.

“…A study is presented of the relationship between the local flow field and the local wall heat flux in a packed bed of spheres. Computational fluid dynamics is…”
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An integrated workflow for resolved-particle packed bed models with complex particle shapes by Partopour, Behnam, Dixon, Anthony G.

“…A promising workflow for computational generation and meshing of resolved-particle randomly packed beds of arbitrary-shaped particles is described. The…”
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Are there wall effects on pressure drop through randomly packed beds of spherical catalyst particles? by Dixon, Anthony G.

“…For packed beds of low tube‐to‐particle diameter ratio (N<10), pressure drop has been found to increase at low Re <100 and decrease at high Re >1000, compared…”
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Computational Fluid Dynamics for Fixed Bed Reactor Design by Dixon, Anthony G, Partopour, Behnam

“…Flow, heat, and mass transfer in fixed beds of catalyst particles are complex phenomena and, when combined with catalytic reactions, are multiscale in both…”
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Proximate Causes of Rensch’s Rule: Does Sexual Size Dimorphism in Arthropods Result from Sex Differences in Development Time? by Blanckenhorn, Wolf U., Dixon, Anthony F. G., Fairbairn, Daphne J., Foellmer, Matthias W., Gibert, Patricia, Linde, Kim van der, Meier, Rudolf, Nylin, Sören, Pitnick, Scott, Schoff, Christopher, Signorelli, Martino, Teder, Tiit, Wiklund, Christer

“…A prominent interspecific pattern of sexual size dimorphism (SSD) is Rensch’s rule, according to which male body size is more variable or evolutionarily…”
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Particle-resolved CFD simulation of fixed bed pressure drop at moderate to high Reynolds number by Dixon, Anthony G.

“…Particle-resolved computational fluid dynamics simulations of flow and pressure drop in fixed beds of spheres give poor accuracy at higher Reynolds number (Re)…”
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Local Structure Effects on Heat Transfer in Very Low Tube-to-Particle Diameter Ratio Fixed Beds of Spheres by Dixon, Anthony G

“…New fixed-bed radial heat transfer experimental data are reported for beds of perfect spheres for tube-to-particle diameter ratio (N) in the range of…”
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Computational Fluid Dynamics Simulations of Gas-Phase Radial Dispersion in Fixed Beds with Wall Effects by Dixon, Anthony G., Medeiros, Nicholas J.

“…The effective medium approach to radial fixed bed dispersion models, in which radial dispersion of mass is superimposed on axial plug flow, is based on a…”
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Integrated multiscale modeling of fixed bed reactors: Studying the reactor under dynamic reaction conditions by Partopour, Behnam, Dixon, Anthony G.

“…•Transient resolved-particle CFD used for simulations of ethylene oxidation.•Dynamic behavior of hot-spots under wrong-way response and reactor start-up.•A…”
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Multi-scale two-dimensional packed bed reactor model for industrial steam methane reforming by Kuncharam, Bhanu Vardhan Reddy, Dixon, Anthony G.

“…A non-isothermal heterogeneous steady-state model was developed for a packed bed reactor for steam methane reforming employing a multi-scale approach. The…”
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Resolved-Pore Simulation of CO Oxidation on Rh/Al2O3 in a Catalyst Layer by Partopour, Behnam, Dixon, Anthony

“…Computational fluid dynamics (CFD) is coupled with reaction and transport in a micro-scale pellet simulation to study CO oxidation over Rh/Al2O3 catalyst. The…”
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Effect of particle shape on methanol partial oxidation in a fixed bed using CFD reactor modeling by Partopour, Behnam, Dixon, Anthony G.

“…Particle shape is one of the most important parameters in the design and optimization of fixed‐bed processes. To address the impact of particle shape on…”
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110th Anniversary: Commentary: CFD as a Modeling Tool for Fixed Bed Reactors by Partopour, Behnam, Dixon, Anthony G

“…Computational fluid dynamics (CFD) is a valuable tool in the modeling of fixed bed reactors. In particular, resolved-particle CFD in which a bed of particles…”
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Integration of Methane Steam Reforming and Water Gas Shift Reaction in a Pd/Au/Pd-Based Catalytic Membrane Reactor for Process Intensification by Castro-Dominguez, Bernardo, Mardilovich, Ivan P, Ma, Liang-Chih, Ma, Rui, Dixon, Anthony G, Kazantzis, Nikolaos K, Ma, Yi Hua

“…Palladium-based catalytic membrane reactors (CMRs) effectively remove H₂ to induce higher conversions in methane steam reforming (MSR) and water-gas-shift…”
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Fixed bed catalytic reactor modelling-the radial heat transfer problem by Dixon, Anthony G.

“…An interpretation of the state‐of‐the‐art in modelling radial heat transfer in fixed bed catalytic reactors is presented. The persistence of the classical…”
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Computationally efficient incorporation of microkinetics into resolved-particle CFD simulations of fixed-bed reactors by Partopour, Behnam, Dixon, Anthony G.

“…•Efficient method for integrating microkinetics with CFD for fixed beds.•Table look-up using quadratic multivariate splines.•Microkinetics coupled to both…”
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Long‐term trends in the composition of aphidophagous coccinellid communities in Central Europe by Honek, Alois, Martinkova, Zdenka, Kindlmann, Pavel, Ameixa, Olga M. C. C, Dixon, Anthony F. G, Dytham, Calvin

“…Coccinellids (Coleoptera: Coccinellidae) provide important ecosystem services as biocontrol agents in contributing to the regulation of key agricultural pests…”
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