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Choi, Sungyeol
Nuclear Fuel Cycle Engineering Lab (NCEL)
Research Interests
  • Fuel Cycle Chemistry; Nuclear Plant Chemistry; Non-aqueous Electrochemistry; Nuclear Security

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Computational electrochemo-fluid dynamics modeling in a uranium electrowinning cell

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Title
Computational electrochemo-fluid dynamics modeling in a uranium electrowinning cell
Author
Kim, K. R.Choi, S. Y.Kim, S. H.Shim, J. B.Paek, S.Kim, I. T.
Keywords
Computational fluid dynamics (CFD); Electrochemo-fluid dynamics; Electrochemical system simulation; Uranium electrowinning
Issue Date
2014-01
Publisher
SPRINGER
Citation
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, v.299, no.1, pp.165 - 170
Abstract
A computational electrochemo-fluid dynamics model has been developed to describe the electrowinning behavior in an electrolyte stream through a planar electrode cell system. Electrode reaction of the uranium electrowinning process from a molten-salt electrolyte stream was modeled to illustrate the details of the flow-assisted mass transport of ions to the cathode. This modeling approach makes it possible to represent variations of the convective diffusion limited current density by taking into account the concentration profile at the electrode surface as a function of the flow characteristics and applied current density in a commercially available computational fluid dynamics platform. It was possible to predict the conventional current-voltage relation in addition to details of electrolyte fluid dynamics and electrochemical variables, such as the flow field, species concentrations, potential, and current distributions throughout the galvanostatic electrolysis cell
URI
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DOI
10.1007/s10967-013-2720-7
ISSN
0236-5731
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