IRSN, Institut de radioprotection et de sûreté nucléaire

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Enhancing Nuclear Safety


Research Units

Laboratory for the Study of Fire in a Contained Environment (ETIC)


The ETIC laboratory is a "virtual" laboratory established in January 2010 as a joint venture between the IRSN and the University Institute for Industrial Thermal Systems (Iusti - CNRS/University of Provence and University of the Mediterranean). 9 people are contributing to this collaboration. Olivier Vauquelin (IUSTI) et Hugues Prétrel (IRSN) lead this laboratory.


Context and research themes


The main objectives of the laboratory are the following:

  • To carry out a programme of research, based on a combination of experiment and numerical simulation, on the detailed modelling of the formation of soot in a confined oxygen-starved environment.
  • To integrate the detailed models obtained into the and SAFIR codes in order to provide a better description of the radiation from a flame in a confined oxygen-starved environment and ultimately to improve the predicted pyrolysis of the fuel.
  • To adapt and implement non-intrusive measurement methods for large and small-scale velocity and concentration fields in hostile soot-laden environments.
  • To develop a flux meter for eventual industrial manufacture, capable of making simultaneous non-intrusive measurements of the heat flux through a wall and any changes in the thermal and physical properties of the materials of which it is formed.


The models developed will be integrated into the ISIS open source software tool for distribution to the French and international fire research communities.

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Flamme d’une nappe d’hydrocarbure – Essai à grande échelle réalisé à l’IRSN-©IRSN

Associated laboratory

University Institute for Industrial Thermal Systems (IUSTI/ UMR 6595 of the CNRS)
Technopôle de Château-Gombert
5 rue Enrico Fermi
13453 Marseille Cedex 13


By phone: +33 (0)4 91 10 69 07

The softwares

 Safir computer code (developed by the IUSTI)

Isis computer code (developed by IRSN)


Hugues Prétrel, co-head of laboratory


Laboratory for the Study of Fire in a Contained Environment (ETIC)

BP 3
13115 Saint Paul Lez Durance cedex


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