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CSARP / MCAP meeting and MELCOR users workshop

After a severe accident in the Fukushima nuclear power plant, nuclear safety standards have been tightened. Thus, severe accident analyzes are becoming an integral part of the safety reports. To independently verify the analysis of severe accidents, the MELCOR computer program is mostly used. It can be obtained through participation in the U.S. NRC international cooperative research program CSARP (Cooperative Severe Accident Research Program). Slovenia has been a member of the CSARP program since the end of 2015, and has participated in it already before, in years between 1998 and 2005. As a part of the CSARP research program, the CSARP/MCAP meeting (MELCOR Code Assessment Program) is being held every year in the USA. Because of the wide use of the program, for many years also regional summer meetings for European (EMUG - European MELCOR User Group) and Asian (AMUG - Asian MELCOR User Group) MELCOR users have been held.

This year's CSARP/MCAP meeting was held in Bethesda, Maryland, USA between 12. and 15. September, 2017. Before the meeting, on September 11, was a workshop for the MELCOR users. About 50 participants from 22 countries participated at the workshop and at the meeting. The workshop was in the form of lectures by MELCOR developers and exercises for the participants on their computers. The workshop focused on a new models and capabilities of the MELCOR program. At the CSARP / MCAP meeting, the U.S. NRC, which runs the CSARP, MELCOR developers from Sandia National Laboratories, Albuquerque, New Mexico, USA, and CSARP partners presented their activities. The meeting was divided into the following sections:

  • Severe accidents research - activities, computer programs and experiments,
  • Reactor and spent fuel pool analysis,
  • Fukushima and severe accident management,
  • Fission product scrubbing research,
  • MELCOR applications and assessment.

The meeting was attended by Dr. Matjaž Leskovar from the Reactor Engineering Division, Jožef Stefan Institute, who is the Slovenian coordinator for cooperation within the CSARP research program.

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