IRSN, Institut de radioprotection et de sûreté nucléaire

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Enhancing Nuclear Safety


Research at the IRSN

The mission of the IRSN in terms of research is not simply the acquisition of new scientific knowledge, but also the development of technical risk management tools and a contribution to the development of the expertise available within the Institute.

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News and Agenda


Thesis viva

​​​Nicolas Garland will defend his thesis "​​Introspective meta-modeling for analyzing simulated physical phenomena. Formalization within the context of co-Kriging and algorithmic integration in optimization and inversion​​" on Thursday 22th October 2020 at Saint-Etienne (France).



IRSN and the University of Tokyo join forces to study aerosol dispersion

​In November 2019, IRSN and the University of Tokyo signed a Memorandum of Understanding seeking to further our knowledge of the interactions that take place between droplets and solid aerosols. This has already involved around ten tests carried out at IRSN's TOSQAN facility, the most recent of which was completed on February 14, 2020.



Research on co-activity: initial findings and four-year extension

​The IRSN has just published its initial findings following research carried out under the COSEA program, focusing on co-activity during the complex project to extend line 14 of the Paris metro. A promising first stage has led the IRSN and its partners to extend the project to 2023.



European Radiation Dosimetry Group (EURADOS) network convened for its annual meeting in Florence, Italy

The EURADOS network comprises over 70 European institutions and 630 members who work together to help harmonize practices and support technical and scientific research in the field of ionizing radiation dosimetry at both European and global level.



European IVMR research program on corium retention delivers its final results

Partners involved in the IVMR (In-Vessel Melt Retention) program, led by the IRSN, present their findings at a seminar held at the Juan les Pins conference center from January 21 to 23, 2020. ​



54 thesis proposals for 2020!

​This year, IRSN is proposing 54 topics in all scientific disciplines, for PhD theses that will start in October 2020. A full description of each thesis project is available online, in the "Theses" section of the IRSN website, enabling applications to be filed directly with the thesis supervisor.


Our publishing

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Focus on...

  • CABRI CIP Program

    CABRI-programme_vignette_EN.jpgCreated in 2000, the objective of the Cabri International Program (CIP) is to study the behavior of nuclear fuel rods and cladding during a reactivity-injection accident (RIA) in a pressurized water reactor (PWR).