Publication Laka-library:
Spent fuel Heatup following Loss of water during Storage (1978)
| Author | US NRC |
| Date | May 1978 |
| Classification | 6.01.5.51/22 (WASTE - STORAGE ON LAND (f.i. SALT / CLAY) (INCL. SYNROC)) |
| Front | 
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From the publication:
ABSTRACT An analysis of spent fuel heatup following a hypothetical accident involving drainage of the storage pool is presented. Computations based upon a new computer code called SFUEL have been performed to assess the effect of decay time, fuel element design, storage rack design, packing density, room ventilation, drainage level, and other variables on the heatup characteristics of the spent fuel and to predict the conditions under which clad failure will occur. Possible storage pool design modifications and/or onsite emergency action have also been considered. It has been found that the likelihood of clad failure due to rupture or melting following a complete drainage is extremely dependent on the storage configuration and the spent fuel decay period, and that the minimum prerequisite decay time to preclude clad failure may vary from less than 10 days for some storage configurations to several years for others. The potential for reducing this critical decay time either by making reasonable design modifications or by providing effective emergency countermeasures has been found to be significant.
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