Tepco Fukushima is reporting today China Syndrome“Over one year after the quake and MThs after the I.A.E.I. confirmed that the core had 10 meters of water over it they now today say less than two meters do you know what that means I DO, China syndrome”
Title: Fukushima: Probability theory is unsafe
Source: The Japan Times Online
Author: Kenichi Ohmae, Nuclear engineer
Date: Apr. 18, 2012
[…] As a nuclear core designer and someone who earned a Ph.D. from the Massachusetts Institute of Technology in nuclear engineering, I volunteered to look into the situation at Fukushima No. 1 in June of 2011. Mr. Goushi Hosono, minister of nuclear power and environment, personally gave me access to the information and personnel who were directly involved in the containment operations of the postdisaster nuclear plants. After three months of investigation, I analyzed and wrote a long report detailing minute by minute how the nuclear reactors were actually disabled (pr.bbt757.com/eng/)
Here are the highlights of my findings:
1. Three of the six reactors of Fukushima No. 1 had a complete core meltdown a few days after the tsunami hit. The molten fuel penetrated not only through the bottom of the thick pressure vessel, but also poked holes at the bottom of the containment vessel, thus releasing fission materials into the environment. The meltdown itself started at 11p.m. on the day of the tsunami, March 11, 2011.
2. As expected, the meltdown caused the fuel cladding material, zircaloy (zirconium alloy), to react with vapor and to create large quantities of hydrogen and zirconium oxide, which caused the catastrophic hydrogen explosion that blew out three reactor buildings. The hydrogen explosion took place on March 12, 14 and 15. The Japanese Government did not admit to the meltdown until three months later, nor did they admit to the damage to the containment vessels until a half year later. Our government tried to hide this important information for some reason, though judging from the amount of fission material released and from the size of the hydrogen explosion, the meltdown of the entire core was undeniable for anyone who has studied reactor engineering. […]
Many long-held myths have been broken as a result of the Fukushima No. 1 meltdown.
As the molten fuel made its way through the pressure vessel and the molten “lava” melted the bottom of the containment vessel, it released huge amounts of fission gasses and particles to the air and water.
The assumed role of the containment vessel proved to be faulty against this type of melt through. […]
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