Cover-up of massive explosion at Fukushima Reactor 3 fueled with plutonium? US government’s “worst case” scenario likely a reality… Entire nuclear core ejected into environment — Experts: It seems blast wasn’t from hydrogen — “Ejection of fuel parts… Exploding vortices suggest a steam explosion” (PHOTO)
ENENews.com
May 11th, 2016
Annals of Nuclear Energy (Leskovar et al.), Apr 2016: Analysis of oxidation influence on steam explosion energetics — The importance of severe accident research has been again seen after the March 2011 Fukushima nuclear reactor accident in Japan. As the accident analysis showed, it seems that in the Daichi Unit 3 a steam explosion occurred… A steam explosion, in the frame of nuclear reactor safety, is an energetic fuel coolant interaction (FCI) process, which may occur during a severe accident when the hot reactor core melt (corium) comes into contact with the coolant water… [T]he steam explosion… induces dynamic loading of surrounding structures. Steam explosions are an important nuclear safety issue because they can potentially jeopardize the primary system and the containment integrity of the nuclear power plant…
Korea Electric Power Corporation, Sep 2013: Steam explosion is a phenomenon that… results in explosive dynamic pressure… In the accidents, reactor fuel and materials melts due to the lack of adequate cooling capability as observed in Fukushima accident… In the actions of mitigating… severe accident progression, cold water supplies to cool the corium by any means. In this process, molten corium contacts water, resulting steam explosions that may provide mechanical and functional damages to the surrounding structures.
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