This paper will present a hybrid solution algorithm for the two-phase flow equations coupled to wall heat conduction. The partial differential equations in the physical model are the same as in RELAP5. The hybrid solution algorithm couples two solution methods, the solution method currently employed by RELAP5 and an implicitly balanced solution method. The resulting hybrid solution method is both fast and accurate. Results will be presented that show when accuracy and CPU time are considered simultaneously that there are ranges when the hybrid solution algorithm is preferred over the RELAP5 solution method.
A Fully Implicit Hybrid Solution Method for a Two-Phase Thermal-Hydraulic Model
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received April 27, 2004; revision received December 23, 2004. Review conducted by: R. P. Roy.
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Mousseau, V. A. (May 25, 2005). "A Fully Implicit Hybrid Solution Method for a Two-Phase Thermal-Hydraulic Model ." ASME. J. Heat Transfer. May 2005; 127(5): 531–539. https://doi.org/10.1115/1.1865223
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