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Year 1995 |
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Volume 1 - Heat and Mass Transfer in Severe Nuclear Reactor Accidents
Proceedings of International Symposium - 22 -26 May, 1995, Kusadasi, Turkey
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ARTICLE:
V. A. Sidorenko
Ministry of Russian Federation for Atomic Energy, Moscow V. G. Asmolov
Nuclear Safety Institute of Russian Research Center "Kurchatov Institute", Moscow, Russia
ABSTRACT The objectives of the national program of work on severe accident research included the following components:
- test of Western knowledge base quality;
- determination of its application limits for the reactors of VVER type;
- updating of the existing database as applied to specific features of Russian reactors;
- obtaining of the experimental data for advancement of complex of calculation and analytic methods of severe accidents analysis;
- updating of the national standard base taking into account the obtained experimental data as well as calculations performed using the new tool.
The report gives contents and results of the following experimental studies:
- analysis of emergency processes prior to reactor core damage;
- study of physical and chemical processes of fission products releases and their behavior under heating and damage of the reactor core;
- study of the basic processes involved in destruction of fuel rods and fuel assemblies;
- study of molten core behavior when interacting with the reactor vessel;
- study of processes involved in the molten core-concrete interaction;
- study of hydrogen behavior when its concentrations are close to manifestation of detonation effects;
- study of filtered vented containment systems.
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