FRAPTRAN:  Integral Assessment (NUREG/CR-6739, Volume 2)

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Publication Information

Manuscript Completed: September 2001
Date Published: September 2001

Prepared by:
M.E. Cunningham, C.E. Beyer, F.E. Panisko, P.G. Medvedev, PNNL
G.A. Bema, GABC
H.H. Scott, NRC

Pacific Northwest National Laboratory
Richland, WA 99352

Subcontractor:
G.A. Berna Consulting
2060 Sequoia Drive
Idaho Falls, ID 83404

H. Scott, NRC Project Manager

Prepared for:
Division of Systems Analysis and Regulatory Effectiveness
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

NRC Job Code W6200

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Abstract

An integral assessment has been performed of the FRAPTRAN transient fuel behavior code designed to analyze fuel rod thermal and mechanical behavior during a range of transients with fuel burnup to 65 GWd/MTU. This assessment was performed for the U.S. Nuclear Regulatory Commission by Pacific Northwest National Laboratory to quantify the predictive capabilities of FRAPTRAN. The FRAPTRAN predictions are shown to compare satisfactorily to a selected set of experimental data from reactivityinitiated accident (RIA), loss-of-coolant-accident (LOCA), and other transient operating conditions.