A semi-implicit numerical scheme for transient two-phase flows on unstructured grids

A component-scale two-phase analysis code, CUPID, has been developed for a realistic simulation of transient two-phase flows in light water nuclear reactor components. In the CUPID code, a two-fluid three-field model is adopted and the governing equations are solved on an unstructured grid to make C...

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Published in:Nuclear engineering and design 2008-12, Vol.238 (12), p.3403-3412
Main Authors: Jeong, J.J., Yoon, H.Y., Park, I.K., Cho, H.K., Kim, J.
Format: Article
Language:English
Subjects:
Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Fuels
Installations for energy generation and conversion: thermal and electrical energy
Nuclear fuels
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cited_by cdi_FETCH-LOGICAL-c376t-534f92f1258de08e80649a035dd86b85b5c8148fe3dffe4304232687603bed5d3
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creator Jeong, J.J.
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description A component-scale two-phase analysis code, CUPID, has been developed for a realistic simulation of transient two-phase flows in light water nuclear reactor components. In the CUPID code, a two-fluid three-field model is adopted and the governing equations are solved on an unstructured grid to make CUPID very useful for flow analysis in complicated geometries. For the numerical solution scheme, the semi-implicit method of the RELAP5 code, which has been proved to be very stable and accurate for most practical applications, was used with some modifications for an application to an unstructured non-staggered grid. This paper presents the modified semi-implicit numerical method for an unstructured grid and the preliminary results of the calculations.
doi_str_mv 10.1016/j.nucengdes.2008.08.017
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subjects Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Fuels
Installations for energy generation and conversion: thermal and electrical energy
Nuclear fuels
title A semi-implicit numerical scheme for transient two-phase flows on unstructured grids
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