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Heat and Mass Transfer in Severe Nuclear Reactor Accidents. Proceedings of the International Symposium
May, 22-26, 1995 , Kusadasi, Turkey

DOI: 10.1615/ICHMT.1995.RadTransfProcHeatMassTransfSevNuclReactAcc


ISBN Print: 978-1-56700-059-7

THERMALHYDRAULIC BEHAVIOR OF A MOLTEN CORE WITHIN A STRUCTURE, SIMULATED BY THE TOLBIAC CODE

DOI: 10.1615/ICHMT.1995.RadTransfProcHeatMassTransfSevNuclReactAcc.180
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SINOPSIS

The TOLBIAC code is devoted to the simulation of the behavior of a molten core within a structure (pressure vessel or core catcher). The code is briefly described: 3D meshing, 3 phases (liquid metals, liquid oxides and gas), physical properties and constitutive laws, wall ablation and crust formation. Some results are presented in order to illustrate the code potentialities: the behavior of a molten core in a vessel lower head on one hand, and in an external core catcher on the other hand.

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