Heat-Resistant Composite Coating with A Fluidized Bed of the Under-Reactor Melt Trap of A Light-Water Nuclear Reactor
Bekmuldin M.K. Skakov K. Baklanov V.V. Gradoboyev A.V. Akaev A.S.
2021E.A. Buketov Karaganda University Publish house
Eurasian Physical Technical Journal
2021#18Issue 365 - 70 pp.
The paper is devoted to the analysis of existing options of under-reactor melt traps, designs and disadvantages of these traps. A variation of its own under-reactor melt trap with a heat-resistant composite coating with a fluidized bed is proposed. The description of facility for experimental studies of the heat-resistant composite coating with the fluidized bed is presented. The results of a thermal calculation of the variation of the under-reactor trap with fluidized bed melt are presented. Thermal calculations showed that an increase in the average temperature of the melt is less intense in the model of an under-reactor trap with a fluidized bed, due to heat removal from the corium to the metal to complete the phase transition.
Corium , Heat-resistant composite coating , Lava-b facility , Severe accident , Under-reactor melt trap
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Institute of Atomic Energy, Kurchatov, Kazakhstan
National Research Tomsk Polytechnic University, Tomsk, Russian Federation
Shakarim State University, Semey, Kazakhstan
Institute of Atomic Energy
National Research Tomsk Polytechnic University
Shakarim State University
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