Hygro-Thermo-Mechanical Analysis of a Reactor Vessel

Jaroslav Kruis, Tomáš Koudelka, Tomáš Krejčí

Abstract


Determining the durability of a reactor vessel requires a hygro-thermo-mechanical analysis of the vessel throughout its service life. Damage, prestress losses, distribution of heat and moisture and some other quantities are needed for a durability assessment. A coupled analysis was performed on a two-level model because of the huge demands on computer hardware. This paper deals with a hygro-thermo-mechanical analysis of a reactor vessel made of prestressed concrete with a steel inner liner. The reactor vessel is located in Temelín, Czech Republic.

Keywords


durability of a reactor vessel; damage; coupled heat and moisture transport

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ISSN 1210-2709 (Print)
ISSN 1805-2363 (Online)
Published by the Czech Technical University in Prague