Transient analyses carried out by Relap5 code related to the Metzamor VVER 440/270 unit 2

The licensing is a legal process to transfer the nuclear safety technology (developed and supported by researches) into a legal-fixed environment. Competences in the legal nuclear safety framework (typically part of the Atomic Act in each Country) and of nuclear reactor safety are needed in such a context. After the fall of the Berlin wall, European Commission funded R &D projects in former Soviet Union states to upgrade the safety of existing reactors. In this connection, University of Pisa was invited by SOGIN (Italy) to contribute to the safety evaluation of the modified Metzamor Nuclear Power Plant, units Nos 1 and 2. The present document deals with the presentation of results of performed Best Estimate calculations