United States Nuclear Regulatory Commission - Protecting People and the Environment

Analysis of Spent Fuel Heatup Following Loss of Water in a Spent Fuel Pool, Final Report (NUREG/CR-6441)

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Publication Information

Manuscript Completed: February 2001
Date Published: March 2002

Prepared by:
H.P. Nourbakhsh, G. Miao, and Z. Cheng

Energy and Environmental Science, Inc.
25 East Loop Road
Stony Brook, NY 11790

Under Contract to Brookhaven National Laboratory
Upton, NY 11973-5000

P.Norian, 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 L2590

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Abstract

A methodology for predicting the spent fuel heatup in the event of loss of water during storage has been formulated and implemented within a computer code called SHARP (Spent-fuel Heatup: Analytical Response Program). This report documents the overall structure of the computer code SHARP. The code modeling framework, including the mathematical models and solution methods, are described in the report.

The computed results of the spent fuel heatup characteristics using representative design parameters and fuel loading assumptions, are presented. The results of sensitivity calculations to study the effect of fuel burnup, building ventilation rate, baseplate hole size, partial filling of the racks, and the amount of available space to the edge of the pool, are also presented in this report.

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