1st Meeting of the “European MELCOR User Group“ PSI, Villigen, Switzerland December 15-16, 2008 Title Speaker Call for Papers List of Participants Introduction S. Guentay MELCOR Code Development Status, Code Assessment, and QA L. L. Humphries Input deck conversion (1.8.5 to 1.8.6 and 1.8.6 to 2.1) L. L. Humphries Experience of conversion of MELCOR 1.8.5 to 1.8.6 for VVER-440/213 reactors G. L. Horvath Major pitfalls in updating an accident sequence analysis with MELCOR: from 1.8.4. to 1.8.6-YT versions M. Garcia Preliminary assessment of MELCOR1.8.6 using integral data J. C. Birchley Assessment of Control Rod Release Models of MELCOR 1.8.6 B. S. Jaeckel Current Code development: new MELCOR 2.x Code Features N. Mosunova Benchmark on HE-FUS3: Lessons learned from MELCOR calculations L. Sallus MELCOR Best Practices - An Accident Sequence Walkthrough L. L. Humphries Overview of MELCOR Activities in NRI Rez J. Duspiva The Use of MELCOR for PSA L2, Limitations and Problems K. Mueller Lessons learned from 15 years of MELCOR application for PSA Level 2 studies M. Sonnenkalb MELCOR code application to VVER440/V213 analysis J. Jancovic LFW-SG Accident Sequence in a PWR900: Considerations Concerning Recent MELCOR 1.8.5 / 1.8.6 Calculations F. de Rosa MELCOR Application to Plant Accident Analyses at PSI Y. Liao UK’s MECLOR Activities and User Experiences Under Low Flow, Low Decay Heat Conditions M. Turner