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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.
Sal B. Rodriguez, Randall O. Gauntt, Randy Cole, Katherine McFadden, Fred Gelbard, Len Malczynski, Billy Martin, Shripad T. Revankar, Karen Vierow, Dave Louie, Louis Archuleta
Fusion Science and Technology | Volume 52 | Number 3 | October 2007 | Pages 752-755
Technical Paper | The Technology of Fusion Energy - Nonelectric Applications | dx.doi.org/10.13182/FST07-A1580
Articles are hosted by Taylor and Francis Online.
A hypothetical Z-Inertial Fusion Energy (IFE) plant was coupled to a sulfur iodine (SI) thermochemical cycle using a new version of MELCOR called MELCOR-H2. MELCOR-H2 was designed to model nuclear reactors that are coupled to thermochemical plants for the production of electricity and hydrogen.The Z-IFE input model consisted of three major system components - a fusion heat source control volume with several types of boundary conditions, an SI loop, and a Brayton secondary system. The components were coupled in order to investigate system feedback and hydrogen production. The input model was modified so that various parametric studies could be conducted. Particular emphasis was placed on plant operating temperature and maximizing hydrogen production.This paper summarizes the results of the SI system model as it was driven by temperature changes in the primary circuit that simulated those that would occur in a Z-IFE driven reactor.