Description: An investigation of information within the CABRI program that relates to the possible roles of volatile fission products (as represented by cesium) will be described. This study was partially motivated by the observation of localized /sup 137/Cs concentration peaks in the axial gamma scans of pins pre-irradiated to about 5% burnup (B.U.) level. In order to evaluate potential effects of such concentrations, a re-examination of the existing test data for the 1% B.U. pins was performed. A comparison of CABRI hodoscope fuel motion results and the pre-CABRI /sup 137/Cs axial concentration profiles revealed an approximate spatial correlation between the initial points of fuels dispersal and cesium concentration enhancements (seven of eight cases). 9 figs.
Date: January 1, 1986
Creator: Lumpkin, A.H.
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