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IRSN, Institut de radioprotection et de sûreté nucléaire

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Enhancing Nuclear Safety


Research

 

Experimental facilities and means


The IRSN has developed and used its experimental facilities and means. Below, there is a list describing some of these.

Nuclear safety
 
 
The CALIST facility is developed to characterise the drops sizes and velocities from one or more spray nozzles, initially those of pressurised water nuclear reactors (PWR), as well as to study gaseous entrainment by sprays.

  • CHIP facility

 

The CHIP facility is organised in two experimental lines (phenomenology line and analytical line) used by CHIP programme dedicated to studying iodine chemistry under thermal non equilibrium (impact of chemical kinetics) in the primary cooling system in the event of a core meltdown accident in a water reactor.


 

EPICUR is an apparatus used by the programme EPICUR (physicochemical studies on confined iodine under irradiation) which aims at providing experimental data to validate the chemical models for iodine in the reactor containment under accident conditions.

 

 

GALAXIE gathers several experimental facilities of various sizes located on site at Cadarache. They enable to conduct experimental research with the aim of improving fire safety in nuclear facilities.



The PEARL facility is dedicated to debris bed reflooding tests. It is used for carrying out the experimental campaigns scheduled in relation to the PROGRES program proposed for studying the mitigation of the progress of corium inside the vessel.

 

 

The TOSQAN facility is an enclosure where thermal-hydraulic conditions representative of a severe accident in nuclear reactors can be simulated.

 

 

SOFIA is a simulator of incidental and emergency operation provinding representative model of 900, 1300 and 1450 MWe reactors.

 

 

 

Radiation protection for human health and environnement 

 

 

The AMANDE facility (AMANDE = "Accelerator for metrology and neutron applications for external dosimetry"), commissioned in 2005, produces monoenergetic neutron reference fields, with two objectives: metrology related to neutron fluence and dose equivalents quantities and testing and calibrating neutron sensitive devices at multiple specific energies over a broad range (between 2 keV and 20 MeV).

 

 

The EPIC is a tool to study the transport of radionuclides in soil and aquifer.

 

 

OPERA network allows measurements of radioactivity levels in the environment.

 

 

The station is used for understanding and preventing risks related to the geological disposal of long-lived high-level (HL-LL) and intermediate-level (IL-LL) nuclear waste.


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