2

The Fukushima nuclear power plant accident

the main sequence of events

M. Fuchigami1; N. Kasahara2    1 Komatsu Ltd, Tokyo, Japan2 The University of Tokyo, Tokyo, Japan

Abstract

This chapter starts by explaining the primary facilities for cooling boiling water reactors after shutdown. The main part of the chapter lists the sequence of events from the earthquake and tsunami, to station blackout, hydrogen explosion, and finally how personnel succeeded in keeping the multiple reactors cooled. The accident continued for about 1 week with four reactor units, Units 1 through 4, of Fukushima-1. Units 1 and 3 exploded in that order. Unit 2 did not have a hydrogen explosion; however, its core damage released the largest amount of radiation. Unit ...

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