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[en] Basic probabilistic multiphase equations are used to model of the most important phase during core meltdown frequencies: spreading of molten fuel in coolant. This phenomenon may occur during severe accident conditions following the core meltdown and can attain either in-vessel mode. In this paper the general probabilistic multiphase equations which are the form of ensemble averaged multiphase flow equations are presented and first 0.40 second after the molten fuel has penetrated the liquid coolant are void fraction field are presented and the convergence analysis is performed. (author)
Source
Stritar, A.; Jencic, I. (Nuclear Society of Slovenia (Slovenia)) (eds.); European Nuclear Society (Switzerland); Ministry of Science and Technology of Slovenia, Ljubljana (Slovenia); Jozef Stefan Institute, Ljubljana (Slovenia); Nuclear Safety Administration of Slovenia, Ljubljana (Slovenia); 615 p; ISBN 961-90004-9-8; 
; 1995; p. 431-439; 2. Regional Meeting on Nuclear Energy in Central Europe; Portoroz (Slovenia); 11-14 Sep 1995; 7 refs., 21 figs.
; 1995; p. 431-439; 2. Regional Meeting on Nuclear Energy in Central Europe; Portoroz (Slovenia); 11-14 Sep 1995; 7 refs., 21 figs.