15th EMUG meeting, Rome, Italy (Hybrid), 2024

The 15th EMUG was organized as a hybrid meeting from 15-18 April 2024. It was hosted by the Sapienza University - Rome, Department of Astronautics, Electrical and Energy Engineering (DIAEE) - Nuclear Engineering group, Italy, in support of the Cooperative Severe Accident Research Programme (CSARP).

Presentations:

TitleSpeaker
Day1 
Institutional greetings from Sapienza Deputy Rector for ResearchMaria Sabrina Sarto, Sapienza Univ. Of Rome
The Sapienza University Nuclear Engineering Research Group and current perspectives of nuclear energy in Italy
 
Prof. Gianfranco Caruso, Sapienza Univ. Of Rome
US-NRC Codes in Italy: National Overview
 
Nadia Cipriani, ISIN
  
Session 1 Overview of activities 
ENEA Activities in the Field of Severe Accidents by Using MELCOR CodeFulvio Mascari, ENEA
EDF MAAP activitiesJeremy Bittan, EDF
Latest Experiences with MELCOR 2.2: An Overview of Applications, Issues and ChallengesMonica Garcia, CIEMAT
  
Session 2: MELCOR-fusion applications 
Overview of MELCOR activities in the frame of the EUROfusion consortium
 
Matteo D’Onorio, Sapienza
Deterministic analyses in support of nuclear fusion system/facilities designDanilo Nicola Dongiovanni, ENEA
Development of a model for analyzing LOCA scenarios involving lithium spills in fusion applicationsManuel Perez, CIEMAT
MELCOR application for accidental analysis in Fusion (online)Samad Khani Moghanaki, UKAEA
  
Session 3: MELCOR Users’ Workshop 1/4 
USNRC/SNL Introductions and MELCOR OverviewShawn Campbell, U.S.NRC
Recent SNAP developmentMELCOR Development Team
  
Day2 
Session 4: MELCOR Users’ Workshop 2/4 
Advanced Control Function TopicsMELCOR Development Team
MELCOR Materials MELCOR Development Team
Radionuclide Release ModelingMELCOR Development Team
  

Session 5: MELCOR Users’ Workshop 3/4

 
Radiant Heat Transfer Modeling (1/2)MELCOR Development Team
Containment ModelingMELCOR Development Team

CAV/LHC Modernization

MELCOR Development Team
  
Day3 
Session 6: MELCOR Users’ Workshop 4/4 
HTGR Development and Benchmarking/ValidationMELCOR Development Team
MELCOR/ORIGEN IntegrationMELCOR Development Team
MELCOR Distribution and Bug ReportingMELCOR Development Team
  
Session 7: iPWR and integral analysis 
Analysis of the MELCOR capability to Simulate Passive Systems in Integral PWRFabio Giannetti, Sapienza Univ. of Rome
Core Modelling, Collapse, and Slumping in an EPR ReactorMatthias Braun, Framatome GmbH
Analyses of Severe Accident sequences in an integral PWR with passive systemsMarcello Principato, Sapienza Univ. of Rome
Comparison of a DBA sequence in a generic iPWR between MELCOR and ASTEC codesGianmarco Grippo, ENEA
Validation of MELCOR natural circulation and condensation based on PANDA experiments – preliminary resultsMalicki Mateusz, PSI
Experience with the recent release of MELCOR at UJV Rez for VVER-1000 analyses with focus on iodine forms in the containmentMiroslav Kotouc, UJV Rez
Analysis of the DVI-LOCA in the AP1000-like reactor with MELCOR2.1 code (online)Piotr Darnowski, WUT - Institute of Heat Engineering
  

Day4

 
Session 8: AI and UQ analysis 
A Machine Learning approach for Core Damage Frequency estimation with MELCOR and RAVENTommaso Glingler, Sapienza Univ. of Rome
Uncertainty Analysis of Severe Accident in Krško NPPLeskovar Matjaž, JSI
Ljubljana
MELCOR code use for uncertainty and sensitivity analysis of severe accident with operator actions (online)Vorobyov Yuriy, SSTC NRS
  

Session 9: MACCS Workshop

 
MACCS OverviewNosek AJ, US-NRC
Nearfield Model UpdatesClayton Daniel, SNL
MACCS-HYSPLIT Coupling and BenchmarkClayton Daniel, SNL