United States Nuclear Regulatory Commission - Protecting People and the Environment

FRAPCON-3.4: Integral Assessment (NUREG/CR-7022, Volume 2, PNNL-19418, Volume 2)

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Publication Information

Manuscript Completed: August 2010
Date Published: March 2011

Prepared by:
K.J. Geelhood, W.G. Luscher, C.E. Beyer

Pacific Northwest National Laboratory
P.O. Box 999
Richland, WA 99352

M.E. Flanagan, NRC Project Manager

NRC Job Code N6609

Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington DC 20555-0001

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Abstract

An integral assessment has been performed for the U.S. Nuclear Regulatory Commission by Pacific Northwest National Laboratory to quantify the predictive capabilities of FRAPCON-3, a steady-state fuel behavior code designed to analyze fuel behavior from beginning-of-life to rod-average burnup levels of 62 gigawatt-days per metric ton of uranium. FRAPCON-3 code calculations are shown to compare satisfactorily to a preselected set of experimental data with steady-state operating conditions.

This document describes the assessment of FRAPCON-3.4a, which is the latest version of FRAPCON-3, released April 13, 2010.

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