Thus, a leakage of the molten fuel to the primary containment vessel is possible [ 7 ]. Fuel damage will not begin читать больше when the water level drops below the top of the rack. The earthquake was felt at Fukushima and in much of eastern Honshu, including the Tokyo-Yokohama dpwnload. The sea water injection began at on 12 March Fukushima Daiichi accident study : status as of April
 
 

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The purpose of this work is to perform a critical analysis of the Fukushima nuclear accident, focusing at the common cause failures produced by tsunami, as well as an analysis of the main redundant systems. Eventually, the battery power was depleted and the plant was without any electrical power at all. Ono Ookuma. Thus, most reactors are not breeders [ 13 ]. A subsequent survey of the Unit 1 reactor building indicated that radiation levels were relatively low at the southwest corner of the third floor where the FPC pump and heat exchanger were located.