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Thermal hydraulics and safety - International school in nuclear engineering


Réacteurs nucléaires


Note moyenne de satisfaction des participants

En bref

The ISNE international training course aims at promoting knowledge in the field of nuclear sciences. It breaks down into two distinct parts: the "Thermal hydraulics of light water reactors (LWR)",
and "Modelling and multi-phase phenomenology of severe accidents in LWRs ".


For ENEN2+ admissible candidates, a 10% discount on the registration fees can be considered. For more information, please check:

  • https://database.enen.eu/index.php/2023/10/16/international-school-in-nuclear-engineering-instn-cea/
  • https://mobility.enen.eu/


A qui s’adresse cette formation ?

The doctoral course is designed for young researchers, PhD students, post-doctorates and engineers from nuclear industry companies, research centres, Universities, Technical Safety Organizations (TSO), regulatory bodies.

Compétences visées

  • Describe the various scales of two-phase flow modelling and their significance
  • Present the different formulations of the 1D two-phase flow modelling (number and nature of balance equations, set of dependent variables, closure laws)
  • Give practical and relevant examples of thermal hydraulics models in the nuclear field
  • Identify and discuss the major physical phenomena involved during design basis accident and severe accidents
  • Describe the different scenarios of core degradation and corium interactions during severe accidents
  • Present the hydrogen risk in LWRs
  • Technical visit organized (if possible, depending on the availability of the experimental facilities)
  • On-field experience, case study and tutorials
  • Lectures taught by international experts, including Dominique BESTION, Etienne STUDER and Florian FICHOT.
  • Basic phenomena in single- and two-phase flow
  • Thermal hydraulics phenomena in LWRs
  • Multi-scale approach of LWR thermal hydraulics
  • System code modelling of reactor thermal hydraulics including advanced modelling.
  • Simulation of LWR design basis accidents
  • Application of two-phase CFD to some reactor thermal hydraulics issues
  • Multiphase phenomena and modelling of severe accidents in LWRs
  • Hydrogen risk

Minimum background:
Master of Science (or equivalent diploma) in Thermal hydraulics, Thermal Engineering or Fluid Mechanics.
Master of Science in Nuclear Engineering with knowledge in thermal hydraulics.


Self-assessment at the end of the training course.

Méthodes et outils pédagogiques



Responsable pédagogique :

+33 1 69083291

Sessions de formation

Aucune session inter-entreprise n'est programmée pour le moment, si cette formation vous intéresse, merci de nous contacter.

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