TRACE (V 5.0 Patch 2) Validation Based on the RELAP5-Calculation of FIX-III LOCA Experiments NO. 5052, 4011, 3051 (NUREG/IA-0415)
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Manuscript Completed: February 2013
Date Published: October 2014
S. ChunHong Sheng
Studsvik Nuclear AB
SE-61182 Nyköping Sweden
K. Tien, NRC Project Manager
Prepared as part of:
The Agreement on Research Participation and Technical Exchange
Under the Thermal-Hydraulic Code Applications and Maintenance Program (CAMP)
Division of Systems Analysis
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001
The purpose of this project is to (i) evaluate the functionality of the SNAP capability to convert RELAP5 input files to corresponding TRACE input, and (ii) to validate the TRACE code against selected FIX-II experiments where the blowdown phase of large and small break LOCA is the main focus.
More specifically, the TRACE Version 5.0 Patch 2 code is validated against the FIX-II experiments, where the input is obtained by converting a legacy RELAP5 FIX-II model by means of SNAP, possibly accompanied by additional manual adjustments. All FIX-II components in the RELAP5 model are retained after being converted to TRACE. Three transients (FIX 5052, 4011 and 3051) are analyzed. The TRACE analysis results are compared with experimental data and with previously obtained results from analyses made with the RELAP5/MOD3.3 Patch 03 model.
This work has been performed with financial support from the Swedish Radiation Safety Authority.
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