MARS-KS Assessment on B9802 SBLOCA test in RD-14M Test Facility
International Conference on the Future of Heavy Water Reactors - 2011 October 02-05


Presented at:
International Conference on the Future of Heavy Water Reactors
2011 October 02-05
Location:
Ottawa, Canada
Session Title:
Safety Analyses

Authors:
Joosung Kim (Korea Insitute of Nuclear Safety)
Kap Kim (Korea Insitute of Nuclear Safety)
Kwangwon Seul (Korea Insitute of Nuclear Safety)
  

Abstract

This paper presents the MARS-KS assessment results on B9802 SBLOCA test performed in RD-14M test facility. Through the simulation results, it is provided that MARS-KS well predicts the thermal hydraulic behavior in the system. However, the calculated FES temperature trend at middle region of channel, and steam condensation in steam generators show inconsistency in comparison with test data. This study suggest that a further study on the heat transfer model prediction considering bundle effect in the large diameter long horizontal pipe, and condensation model along the u tube is required to have more accurate code prediction.

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