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Simulation of velocity profiles in a laboratory electrolyser using computational fluid dynamics

Vázquez, L., Alvarez-Gallegos, A., Sierra, F.Z., Ponce de León, C. and Walsh, F.C (2009) Simulation of velocity profiles in a laboratory electrolyser using computational fluid dynamics Electrochimica Acta (doi:10.1016/j.electacta.2009.08.066).

Record type: Article


A commercial CFD code, Fluent, has been used to analyse the design of a filter-press reactor operating with characteristic linear flow velocities between 0.024 and 0.192ms?1. Electrolyte flow through the reactor channel was numerically calculated using a finite volume approach to solve the Navier–Stokes equations. The length of the channel was divided into 7 sections corresponding to distances of 0, 0.01, 0.04, 0.08, 0.12, 0.14 and 0.15m from the electrode edge nearest to the inlet. The depth of the channel was divided into three planes parallel to the channel bottom. For each channel section, a velocity profile was obtained at each depth together with the average velocity in each plane. The flow predictions show that the flow development, as the electrolyte passes through the cell, is strongly affected by the manifold causing strong vortex structures at the entrance and exit of the channel. Although the flow disturbances are a function of the flow rate, they gradually disappear downstream along the channel length. Simulated velocity profiles are considered for the typical current density range used in the FM01-LC reactor

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Published date: 2009
Keywords: computational flow dynamics, flow patterns, reactor turbulence models
Organisations: Engineering Mats & Surface Engineerg Gp


Local EPrints ID: 69887
ISSN: 0013-4686
PURE UUID: 416ec36e-4a7f-4d30-b5eb-6af76989696a

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Date deposited: 09 Dec 2009
Last modified: 19 Jul 2017 00:05

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Author: L. Vázquez
Author: A. Alvarez-Gallegos
Author: F.Z. Sierra
Author: F.C Walsh

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