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TEPCO release on nitrogen injection, with two attachments. One is in English so bad I couldn't make much sense of it (more below). The other is a diagram, showing the route for nitrogen, and the blocked path for nitrogen injection by design (so they indeed did have had this).

One thing transpiring from the first attachment that they do fear a breach of the core, but from the outside (the meltdown would be from the inside), and that's how new hydrogen gas can get into the dry well. Another is that pressure is a problem in a different way: it drops due to the cooling of the reactor at the containment wall which also makes the steam condense.

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

by DoDo on Wed Apr 6th, 2011 at 05:00:02 PM EST
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NHK WORLD English
Tokyo Electric Power Company says the injection is aimed at preventing hydrogen from exploding inside the containment vessel at the No. 1 reactor.

The fuel rods remain nearly half exposed as the coolant water inside the reactor has not yet risen high enough.


Any idiot can face a crisis - it's day to day living that wears you out.
by ceebs (ceebs (at) eurotrib (dot) com) on Wed Apr 6th, 2011 at 05:36:43 PM EST
[ Parent ]
NHK WORLD English
TEPCO says the injection will continue for 6 days. The company is also considering making similar injections in the No 2 and No3 reactors.


Any idiot can face a crisis - it's day to day living that wears you out.
by ceebs (ceebs (at) eurotrib (dot) com) on Wed Apr 6th, 2011 at 09:23:21 PM EST
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