What do we specialise in?

Neutronics and New Techologies Section

The main areas of activities are:

  • Neutron physics analysis of reactor cores with particular stress on research reactors:
    • Fuel conversion studies,
    • Feasibility and safety of test and irradiation rigs.
  • Calculation of reactor core operational history, operational transients and core composition for various types of reactors, including GEN IV.
  • Activities related to development Gas Cooled Reactor Technology.
  • Activities related to nuclear cogeneration.

Range of the reactor core neutronic analyses:

  • Operational safety analysis of reactor core:
    • Reactivity excess,
    • Fuel reloading,
    • Fuel burnup monitoring.
  • Power distribution monitoring.
  • Safety calculations of Spent Fuel Storage and Transport Containers.
  • Isotopic content and radiotoxicity of Spent Fuel as function of time.

Reactor Analyses Section

The main areas of activities are:

  • Safety analyses of nuclear facilities – Safety assessment;
  • Thermal-hydraulic analyses in operational states and design basis accidents;
    • Analysis of phenomena occurring in power reactors, research reactors, experimental installations and other facilities;
    • System scale analyses and calculations of particular components;
    • Development of models of phenomena, development and validation of computational tools;


  • Analyses of failures within extended design conditions and severe accidents;
    • Phenomena occurring in the core and the reactor vessel;
    • Phenomena occurring in the containment;
    • Assessment of potential releases of radioactive substances from power reactors or spent fuel storages – source term quantification;
  • Nuclear fuel cycle analyses
    • Spent fuel recycling, transmutation
    • Fuel properties studies

Centre for Hazard Analysis MANHAZ

The main areas of activities are:

  • Risk analyses related to nuclear and chemical installations, transportation of dangerous substances by road, rail, water or industrial pipelines;
  • Management of hazards for human health and environment, and computerized decision support systems in case of major industrial accidents;


  • Probabilistic safety analyses of nuclear reactors;
  • Advanced computer modelling of physical processes, in particular computational fluid dynamics and, transport and dispersion of dangerous substances in environment.



ul. Andrzeja Sołtana 7,
05-400 Otwock-Świerk,
email: UZ3@ncbj.gov.pl

Acting Division Head:

Professor. Mariusz Dąbrowski


tel. +48 22 273 14 30



tel. +48 22 273 14 18