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Knowledge and Experience Sharing Workshops

Severe Accident Analysis for Nuclear Power Plants

Dubrovnic, October 2010

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The materials below were produced from workshop on the following subjects:


  • Introduction to Severe Accidents
  • Overview In-vessel Integral and Separate Effects Experiments
  • Overview Phenomenology of Severe Accidents: In-vessel
  • Influence of water addition
  • Boil off and Quench Transients and Quench-11 Boil off and Quench Experiment and Analysis
  • PWR Station Blackout - Transient Using RELAP/SCDAPSIM
  • Ex-Vessel Phenomena
  • In-Vessel Phenomena: CANDU Specific Phenomena
  • Overview of modelling approach using RELAP/SCDAPSIM for TMI-2
  • Modelling and Analysis of Severe Accidents: CANDU specific Phenomena
  • Overview of Severe Accident Analysis Codes: SAMPSON-RELAP/SCDAPSIM
  • Overview of Uncertainties
  • Influence of user training and experience on uncertainties
  • Modeling and Analysis of Severe Accidents
  • Aerosol and Iodine Behavior
  • Accident Progression and Source-Term Analysis
  • Current Status of Safety Guide and Future Activities of SAMP for NPP’s
  • Application of Severe Accident Analysis

    Country presentations

  • Nuclear Power in Poland
  • Romanian Regulatory Requirements on Severe Accident Analysis & Severe Accident Management Guidelines
  • Severe Accident Activities in Argentina


  • Severe Accident Phenomena
  • Containment Failure Probability
  • RCS Creep Failure Probability

Workshop available on DVD upon request.

Target group: Staff of utilities, nuclear power plants, regulatory authorities, and technical support organizations
Media: 10 DVDs with Video-Synchronized Power Point Presentations


The information contained in these video lectures cannot be changed or modified in any way and should serve only the purpose of promoting exchange of experience, knowledge dissemination and training in nuclear safety. The information presented does not necessarily reflect the views of the IAEA or the governments of IAEA Member States and as such is not an official record. The IAEA makes no warranties, either express or implied, concerning the accuracy, completeness, reliability, or suitability of the information. Neither does it warrant that use of the information is free of any claims of copyright infringement. The use of particular designations of countries or territories does not imply any judgment by the IAEA as to the legal status of such countries or territories, of their authorities and institutions or of the delimitation of their boundaries. The mention of names of specific companies or products (whether or not indicated as registered) does not imply any intention to infringe proprietary rights, nor should it be construed as an endorsement or recommendation on the part of the IAEA

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| Last update: Thursday, 25 August, 2016.