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http://dx.doi.org/10.7733/jkrws.2011.9.4.231

Safety Review of Severe Accident Senario for Wet Spent Fuel Storage Facility  

Shin, Tae-Myung (Chungju National University)
Publication Information
Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT) / v.9, no.4, 2011 , pp. 231-236 More about this Journal
Abstract
When the Fukushima nuclear power plant accident occurred in March of 2011, a hydrogen explosion in the reactor building at the 4th unit of Fukushima plants led to a big surprise because the full core of the unit 4 reactor had been moved and stored underwater at the spent nuclear fuel storage pool for periodic maintenance. It was because the possible criticality in the fuel storage pool by coolant loss may yield more severe situation than the similar accident happened inside the reactor vessel. Fortunately, it was assured to be evitable to an anxious situation by a look of water filled in the storage pool later. In the paper, the safety state of the spent fuel storage pool and rack structures of the domestic nuclear plants would be roughly reviewed and compared with the Fukushima plant case by engineering viewpoint of potential severe accidents.
Keywords
Severe Accident; Fuel Building; Spent Fuel Storage Rack; Seismic Safety;
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  • Reference
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2 T. M. Shin, "Seismic Analysis of Spent Fuel Storage Structures for PHWR Plant", Fall Conference of KSNVE. pp.338-344 (2003).
3 T. M. Shin and I. Y. Kim, "Review on the Seismic Analysis Method of Free Standing High Density Fuel Storage Racks of PWR Plants", Korea Nuclear Society, 27(1) (1997).
4 T.M. Shin and K.S. Kim, "Study on the Impactproof Internal Structure Design of a Spent Nuclear Fuel Transport Cask", Transactions of the KSNVE, 19(4) (2009).
5 T.M. Shin, "Analysis of Spent Fuel Storage Racks at Fuel Drop Accident", Fall Conference of KNS (1994).