Description: The Idaho National Laboratory’s PEBBED code and simple probability considerations are used to estimate the likelihood and consequences of the accumulation of highly reactive pebbles in the region of peak power in a pebble-bed reactor. The PEBBED code is briefly described, and the logic of the probability calculations is presented in detail. The results of the calculations appear to show that hot-spot formation produces only moderate increases in peak accident temperatures, and no increases at all in normal operating temperatures.
Date: September 1, 2005
Creator: Ougouag, Abderrafi M.; Gougar, Hans D.; Terry, William K.; Reitsma, Frederik & Joubert, Wessel
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Partner: UNT Libraries Government Documents Department