Results 11 to 20 of about 2,277,334 (290)

Factorised Steady States in Mass Transport Models [PDF]

open access: yes, 2004
We study a class of mass transport models where mass is transported in a preferred direction around a one-dimensional periodic lattice and is globally conserved. The model encompasses both discrete and continuous masses and parallel and random sequential
Angel A G   +14 more
core   +4 more sources

Explosive condensation in a mass transport model [PDF]

open access: yes, 2012
We study a far-from-equilibrium system of interacting particles, hopping between sites of a 1d lattice with a rate which increases with the number of particles at interacting sites.
Evans, Martin R., Waclaw, Bartlomiej
core   +2 more sources

Observation of Mass Transport through Solid 4He [PDF]

open access: yes, 2009
By use of a novel experimental design, one that provides for superfluid helium in contact with bulk hcp 4He off the melting curve, we have observed the DC transport of mass through a cell filled with solid 4He in the hcp region of the phase diagram. Flow,
A. Andreev   +6 more
core   +3 more sources

The Effect of Proton-Exchange Membrane Fuel Cell Configuration Changing from Straight to Cylindrical State on Performance and Mass Transport: Numerical Procedure [PDF]

open access: yesJournal of Renewable Energy and Environment, 2021
In the present work, a Proton-Exchange Membrane Fuel Cell (PEMFC) as a three-dimensional and single phase was studied. Computational fluid dynamics and finite volume technique were employed to discretize and solve a single set of flow fields and ...
Tuhid Pashaee Golmarz   +3 more
doaj   +1 more source

Low threshold InGaAsP terrace mass transport laser on semi-insulating substrate [PDF]

open access: yes, 1982
Very low threshold InGaAsP terrace lasers on semi-insulating (SI) InP substrate have been fabricated using the mass transport technique. The fabrication process involves a single-step liquid phase epitaxial (LPE) growth followed by a mass transport of ...
Chen, T. R.   +6 more
core   +1 more source

Study of the effect of ADL anodic diffusion layer on the performance of a direct methanol fuel cell (DMFC)

open access: yesRevue des Énergies Renouvelables, 2022
In this study we investigated the properties of the species diffusion layer (ADL) affect the optimal performance of the electrode [1]. Diffusion layers (DL) are porous media allowing reactive gases and liquids to move from distribution channels to ...
Mihoub Medkour   +2 more
doaj   +1 more source

Identifying Deficiencies of Standard Accretion Disk Theory: Lessons from a Mean-Field Approach [PDF]

open access: yes, 2008
Turbulent viscosity is frequently used in accretion disk theory to replace the microphysical viscosity in order to accomodate the observational need for in- stabilities in disks that lead to enhanced transport. However, simply replacing the microphysical
A. Hubbard   +14 more
core   +1 more source

Groundwater monitoring of an open-pit limestone quarry: Water-rock interaction and mixing estimation within the rock layers by geochemical and statistical analyses

open access: yesInternational Journal of Mining Science and Technology, 2018
Water-rock interaction and groundwater mixing are important phenomena in understanding hydrogeological systems and the stability of rock slopes especially those consisting largely of moderately water-soluble minerals like calcite.
Khy Eam Eang   +5 more
doaj   +1 more source

An industry-scale modeling for the turbulence agglomeration of fine particles

open access: yesAdvances in Mechanical Engineering, 2015
Turbulence-induced agglomeration of fine particles/droplets in aerosol is important in various industrial and natural processes. Despite abundant theoretical and numerical studies on turbulent collision kernels, convincing numerical methods for industry ...
Jiyun Xu, Hongwei Shen, Hao Wang
doaj   +1 more source

Coupled FEM and CFD Modeling of Structure Deformation and Performance of PEMFC Considering the Effects of Membrane Water Content

open access: yesEnergies, 2022
Based on a coupled finite element method (FEM) and computational fluid dynamics (CFD) model, the structural deformation and performance of a proton exchange membrane fuel cell (PEMFC) under different membrane water contents are studied.
Zizhe Dong, Yuwen Liu, Yanzhou Qin
doaj   +1 more source

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