NRGroup owns & operates and has access to experimental facilities, for investigations in the thermal-hydraulic and neutronic areas, also to develop and validate models and codes.
@ SIET Labs
SIET is a world-class experimental lab, mainly devoted to large or full-scale testing of components and systems for new generation nuclear reactors. NRGroup build and operates @ SIET its thermal-hydraulic facilities, to investigate passive safety systems and innovative components, typically in two-phase flow dynamics.
* (POLIMI is shareholder of SIET S.p.A., together with ENEA, ENEL, ANSALDO Nucleare, Tectubi Raccordi)
@ POLIMI-Bovisa Campus
Recently NRGroup has set up a new experimental facility to investigate molten salt fluid dynamic features, within the SAMOFAR Euratom Project.
DYNASTY (DYnamics of NAtural circulation for molten SalT internallY heated) simulates the primary system of a Molten Salt Reactor (salt: Hitec®) coupled with a passive safety system – natural circulation, air cooled closed loop (fluid: diatermic oil).
@ LENA: TRIGA Reactor
Experimental and modelling activities on neutronics, thermal-hydraulic coupling, simulation & control, are performed at LENA lab at University of Pavia, where a TRIGA research reactor (250 kW size) is in operation.
Some educational & training sessions, within the MSc course “Experimental Nuclear Reactor“, are carried out as well at LENA.
NRGroup access a POLIMI-Dept. of Energy parallel cluster (more than 100 processors), for numerical computation and simulation.
- RELAP – reactor safety analysis,
- TRANSURANUS, BISON – fuel performance,
- MCNP – neutronics,
- ABAQUS – FEM mechanical and structural analysis,
- FLUENT – CFD analysis,
- MODELICA – Object Oriented modelling,
- OpenFoam, COMSOL – Multiphysics modelling.
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