5th Meeting of the “European MELCOR User Group“ KTH, Stockholm, Sweden May 02-03, 2013 Title Speaker Agenda List of Participants Welcome and Introduction S. Bechta Spent Fuel Pool boil down calculations with MELCOR 1.8.6 B. S. Jaeckel SFP Model for VVER 1000 K. Mancheva Aspects of Modeling a Spent Fuel Pool M. Loeffler Decay heat pre-processing for MELCOR 1.8.6 P. Vokac Phebus FPT3 test Stand Alone Containment Thermal hydraulics, Aerosol and Iodine Benchmark with MELCOR 1.8.6 G. L. Horvath MELCOR 2.1 Verification on MARVIKEN Critical Flow Experiments N. Mosunova MELCOR SBO analyses for a 2-loop PWR : ISGTR with FP mitigation by SG secondary re-fill A. Rydl MELCOR application to AP1000 SBO Simulation Y. Chen Sensitivity Studies related to MELCOR 2.1 Nodalizations for VVER 1000 (V230) Plant Models E. Borisov Improved In-Vessel-Retention Model W. Rapp Generic containment simulation using MELCOR 2.1 J. Jancovic PSI air oxidation model in MELCOR: Part 1: Implementation and verification J. C. Birchley PSI air oxidation model in MELCOR: Part 2: Analysis of experiments and model assessment L. Fernandez‑Moguel Coupling MELCOR 1.8.6 and GASFLOW for Enhanced Simulation of Hydrogen Distribution During Accident Analysis T. Szabo MELCOR Code Performance Improvement I. Drobyshevskaya Current Activities at GRS Regarding the Application of the MELCOR Code T. Steinroetter Overview of MELCOR Activities in CIEMAT (2012) C. Lopez Overview of MELCOR Activities at KTH W. Ma SNAP Overview J. Phillips MELCOR Simulation of SBO Scenarios of Fukushima-I-2 BWR within first 96 hrs Y. Chen Final Discussion W. Ma