Preprint Short Note Version 1 Preserved in Portico This version is not peer-reviewed

Thermal Conductivity of ZrO2, ZrSiO4, (U,Zr)SiO4 and UO2: Numerical Approach

Version 1 : Received: 22 February 2023 / Approved: 23 February 2023 / Online: 23 February 2023 (09:40:22 CET)

How to cite: Kizka, V. Thermal Conductivity of ZrO2, ZrSiO4, (U,Zr)SiO4 and UO2: Numerical Approach. Preprints 2023, 2023020406. https://doi.org/10.20944/preprints202302.0406.v1 Kizka, V. Thermal Conductivity of ZrO2, ZrSiO4, (U,Zr)SiO4 and UO2: Numerical Approach. Preprints 2023, 2023020406. https://doi.org/10.20944/preprints202302.0406.v1

Abstract

The thermal conductivity of the products of the interaction of molten core with concrete was derived using number theory. A formula has been found that describes the thermal conductivity of ZrO2, ZrSiO4, (U,Zr)SiO4 and UO2 over a wide temperature range. Formula is expressed in terms of the atomic numbers of elements, their valencies, the crystal structure of substances, and the thermal conductivities of individual chemical elements of the corium.

Keywords

fuel debris; corium; thermal conductivity; molten core; ZrO2; ZrSiO4; (U,Zr)SiO4; UO2

Subject

Chemistry and Materials Science, Theoretical Chemistry

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