A high-pressure water electrolysis system has been investigated numerically and experimentally. The advanced CFD model of two-phase flow, which calculated the 3D distributions of pressure, gas and liquid velocities and gas and liquid volume fractions, has been developed to account for all the major components in the system, and appropriate constitutive equations for two-phase flow parameters were selected for various parts of the system, such as the cell stack, riser, separator and downcomer. Heat transfer between the two phases, and between the gas-liquid mixture and cooling coils located in the gas-liquid separator was also accounted for. The model was validated using comparisons of predicted liquid flow rate with the liquid flow rate measured in the downcomer, where a single-phase liquid flow existed. The effects of pressure, current density, number of cells, and bubble size were investigated with the numerical model. The numerical predictions matched the general trends obtained from the experimental results with regard to the effects of pressure and current density on the liquid flow rate. The validated CFD model is being used as a cell design tool at Hydrogenics Corporation.
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ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering
July 17–20, 2006
Miami, Florida, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-4750-0
PROCEEDINGS PAPER
CFD Modeling of Gas-Liquid Flow and Heat Transfer in a High Pressure Water Electrolysis System
V. Agranat,
V. Agranat
Hydrogenics Corporation, Mississauga, ON, Canada
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A. Maria,
A. Maria
University of Toronto, Toronto, ON, Canada
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J. Hinatsu,
J. Hinatsu
Hydrogenics Corporation, Mississauga, ON, Canada
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M. Stemp,
M. Stemp
Hydrogenics Corporation, Mississauga, ON, Canada
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M. Kawaji
M. Kawaji
University of Toronto, Toronto, ON, Canada
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V. Agranat
Hydrogenics Corporation, Mississauga, ON, Canada
S. Zhubrin
Flowsolve, Ltd., London, UK
A. Maria
University of Toronto, Toronto, ON, Canada
J. Hinatsu
Hydrogenics Corporation, Mississauga, ON, Canada
M. Stemp
Hydrogenics Corporation, Mississauga, ON, Canada
M. Kawaji
University of Toronto, Toronto, ON, Canada
Paper No:
FEDSM2006-98355, pp. 649-656; 8 pages
Published Online:
September 5, 2008
Citation
Agranat, V, Zhubrin, S, Maria, A, Hinatsu, J, Stemp, M, & Kawaji, M. "CFD Modeling of Gas-Liquid Flow and Heat Transfer in a High Pressure Water Electrolysis System." Proceedings of the ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. Volume 1: Symposia, Parts A and B. Miami, Florida, USA. July 17–20, 2006. pp. 649-656. ASME. https://doi.org/10.1115/FEDSM2006-98355
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