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MELCOR Non-LWR Modeling and Simulation Capabilities - Dave Luxat @ ORNL MSRW 2021

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David L. Luxat works in Sandia National Laboratories Severe Accident Modeling/ Analysis Department. David Luxat reviews MELCOR Non-LWR Modeling and Simulation Capabilities.

Fission product thermochemistry modeling sample demonstration:

• Exercise machinery
• Focuses on Cs and CF release from salt pool
• Thermochimica Gibbs Energy Minimizer
• Utilizing vapor phase data for CsE 

Demonstration calculation for LOCA sequence:
• No core uncovery through 24 hours 

Model exhibits Cs and CF vaporization to gas space at elevated salt temperatures.