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Nuclear Science and Engineering
Fusion Science and Technology
Fukiushima Daiichi: 10 years on
The Fukushima Daiichi site before the accident. All images are provided courtesy of TEPCO unless noted otherwise.
It was a rather normal day back on March 11, 2011, at the Fukushima Daiichi nuclear plant before 2:45 p.m. That was the time when the Great Tohoku Earthquake struck, followed by a massive tsunami that caused three reactor meltdowns and forever changed the nuclear power industry in Japan and worldwide. Now, 10 years later, much has been learned and done to improve nuclear safety, and despite many challenges, significant progress is being made to decontaminate and defuel the extensively damaged Fukushima Daiichi reactor site. This is a summary of what happened, progress to date, current situation, and the outlook for the future there.
Susana Reyes, Leonid Topilski, Neill Taylor, Brad J. Merrill, Lise-Lotte Sponton
Fusion Science and Technology | Volume 56 | Number 2 | August 2009 | Pages 789-793
Safety and Environment | Eighteenth Topical Meeting on the Technology of Fusion Energy (Part 2) | dx.doi.org/10.13182/FST09-A9005
Articles are hosted by Taylor and Francis Online.
This paper gives an overview of the latest work on ITER accident analysis, describing the methodology and presenting some updated results. There are currently 25 ITER Reference Events, divided into two categories: incidents and accidents. Starting from the 2001 list of events, several new scenarios have been added, including fire events. Other former Reference Events have been updated and in some cases fully re-analyzed due to design modifications, such as changes in the confinement arrangements. The results demonstrate that the ITER General Safety Objectives are met and that the safety features of the ITER design are successful in minimizing the potential public and environmental consequences of off-normal events.