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Reactors physics and nuclear safety
Objective:
- To provide support for nuclear safety analysis of installations concerning their continuous safety upgrading.
Activity:
- Reactor physics analysis;
- Thermo-hydraulic analysis;
- Computational methods and computer code development for reactor physics;
- Safety nuclear analysis for nuclear power plant;
- Assessment of safe storage of radioactive waste;
- Reactor physics tests and measurements.
Experimental installations:
- Devices for references neutronic spectrum in thermal and energy intermediary area (licenses pending);
- Graphite cell with neutron sources for small flux measurement;
- High resolution gamma spectrometric chain.
Important achievements:
- Measurements and analyses related to the commissioning of TRIGA - SCN reactor and of the Cernavoda NPP – Unit 1 reactor;
- Neutron design of experimental irradiation in the TRIGA Reactor of the Cernavoda NPP nuclear fuel, manufactured in Romania;
- Reactor physics manual for Cernavoda NPP;
- Final size determination of adjusting rods for Cernavoda NPP – Unit 2;
- Physics and thermo-hydraulic studies related to advanced reactors and advanced fuel cycles;
- Adapting and development of reactor physics computer programs;
- Methods and absolute measurements of neutron spectra for various facilities: TRIGA - SCN Reactor, the neutron source graphite pile for small flux measurements;
- Methods for correcting flux disturbances induced by neutron detectors;
- Testing of the start-up instrumentation of the Cernavoda NPP reactor;
- Methods for acquisition and processing of reactor physics neutron data;
- Deterministic accident analyses: safety reports for the zero-power reactor at SCN Pitesti and for the Cernavoda NPP reactor;
- Probabilistic safety assessments;
- Safety assessments for the radwaste storage sites located near the surface of the soil;
- Safety assessments for storage of Cernavoda NPP spent fuel in salt and granite formations;
- Methodologies for the safety analysis of a new radwaste repository.
Contact: Dr. Csaba ROTH; e-mail:
csaba.roth@nuclear.ro
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