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SIMULATE-3K Peach Bottom 2 Turbine Trip 2 Benchmark Calculations

Lotfi A. Belblidia, Gerardo M. Grandi, Christian Jönsson

Nuclear Science and Engineering

Volume 148 / Number 2 / October 2004 / Pages 325-336


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This paper discusses the model and results for the Peach Bottom 2 Turbine Trip Test 2 using Studsvik Scandpower's transient code SIMULATE-3K. All data pertaining to core, vessel, and scenario were taken from the NEA/OECD BWR benchmark specifications. Nuclear data were generated with Studsvik Scandpower's lattice code CASMO-4 and core analysis code SIMULATE-3. Comparisons to measured data, sensitivity to model options and data, as well as results from more limiting scenarios are presented. SIMULATE-3K captures well the pressure wave propagation, void collapse during the pressurization phase, and resulting power excursion.

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