Lithuanian Energy Institute (LEI) - Laboratory of Nuclear Installation Safety

The Lithuanian Energy Institute (LEI) is an internationally recognised energy-related competence centre for research, development and innovation (R&D&I). LEI actively conducts research in the international and national space, performs scientific research for business, and develops new technologies and products.

LEI has more than 220 employees, of with over 130 researchers and 35 PhD students. A group of 15-20 researchers is active in fusion.

LEI performs safety assessments of nuclear fusion reactors, includes assessment of the readiness of computer codes to assess DEMO reactor safety, deterministic safety analysis of selected accident scenarios, FFMEA analysis of DEMO, development of methodologies for probabilistic assessment of the external events, accumulation and distribution of radioactive substances in DEMO reactor systems as well as assessment of decay heat of the components.

LEI performs data analysis for bolometers on JET data to help determine the plasma power distribution in the vacuum vessel. The institute also carries out radiation impact assessments for constituent components of nuclear fusion reactors. Activation calculations are performed employing combined computer codes for transport and activation analyses. The institute performs neutron and activation analysis of the Early Neutron Source linked with the IFMIF-DONES facility.

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