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If I'm understanding this correctly, there is a sustained nuclear reaction heading for the water table.

Is it? There aren't many useful details in what I read so far, I'm missing clarity on issues such as: what exactly (what kinds of physical evidence and/or simulation) is the basis of the new meltdown timeline estimate, what is the amount (even just the order of magnitude) of fuel that melted down and collected at the bottom of the pressure vessel, what is the amount of corium that escaped the pressure vessel after melting it through, what is the current estimated temperature of both pools? For your worse-of-the-worst scenario, material equivalent of that in multiple fuel rods would have had to collect in a single pool. If it is in smaller amounts, then just decay heat will have kept it hot until the flooding of the core, but there was no chain reaction.

Either way, if the bottoms of the cores got dry and there was lots of corium on it, they might have been lucky not to produce a major team explosion during the flooding.

*Lunatic*, n.
One whose delusions are out of fashion.

by DoDo on Sun Jun 12th, 2011 at 11:18:54 AM EST
[ Parent ]
The on-going back story to this is lying-by-omission of TEPCO and the Japanese and, perhaps, other governments.  

She believed in nothing; only her skepticism kept her from being an atheist. -- Jean-Paul Sartre
by ATinNM on Sun Jun 12th, 2011 at 11:39:19 AM EST
[ Parent ]
There is so much spin and speculation overdrive about Fukushima that I'm having trouble separating on-going back stories and on-going framings. What lie by omission are you suspecting here?

*Lunatic*, n.
One whose delusions are out of fashion.
by DoDo on Sun Jun 12th, 2011 at 02:01:48 PM EST
[ Parent ]
Thinking of what we learned this week: TEPCO was pissing around trying to save their nukes when the things were about to go ker-blooey and rain radioactive material all over northern Japan.


She believed in nothing; only her skepticism kept her from being an atheist. -- Jean-Paul Sartre
by ATinNM on Sun Jun 12th, 2011 at 03:18:14 PM EST
[ Parent ]
What have we learned this week?

*Lunatic*, n.
One whose delusions are out of fashion.
by DoDo on Sun Jun 12th, 2011 at 03:55:18 PM EST
[ Parent ]
What I wrote.

She believed in nothing; only her skepticism kept her from being an atheist. -- Jean-Paul Sartre
by ATinNM on Sun Jun 12th, 2011 at 04:58:02 PM EST
[ Parent ]
Could you be more specific? I don't see it in what you wrote in this thread, duh.

*Lunatic*, n.
One whose delusions are out of fashion.
by DoDo on Sun Jun 12th, 2011 at 05:04:44 PM EST
[ Parent ]
See this comment

She believed in nothing; only her skepticism kept her from being an atheist. -- Jean-Paul Sartre
by ATinNM on Sun Jun 12th, 2011 at 05:37:54 PM EST
[ Parent ]
Well I replied to that one there (though I confounded the issues of venting and flooding), and found more contrary detail in the report ceebs linked to downthread. I think putting the blame on TEPCO's financial approach is more in place in connection with the issues of earthquake & tsunami resistance and employment policy.

*Lunatic*, n.
One whose delusions are out of fashion.
by DoDo on Mon Jun 13th, 2011 at 04:44:13 AM EST
[ Parent ]

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