The Fukushima Event: The Outline and the Technological Background

<table>(a) Three-dimensional sketch of the Fukushima Units 1 to 4: Reactor Pressure Vessel (RPV), Containment (CO) with toroidal Pressure Suppression Pool (PSP), and Reactor Building (RB) with Spent Fuel Pool (SFP). (b) Sketch of the Fukushima Units 1 to 4. (c) Sketch of the main ECCS of Fukushima Units 1 to 4.</table>

Science and Technology of Nuclear Installations

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Figure 1

Figure 1: The Fukushima Event: The Outline and the Technological Background 