Wednesday, November 2, 2011

Important Story

Krypton-85 up over 14,000% in one day at Reactor No. 2 — Kr-85 used to detect “plutonium separations”

Read the story at Enenews

 Then read the comments about the corium in Ex-SKF's post here

In the comments one finds a terrifying anthropomorphism of the corium.

The commentators describe it as akin to an animal that has been freed from a very cruel, disciplined master and now that animal is a monster ready to devour...

Commentator 1 

"In natually occuring nuclear reactors, when the fission increases it is due to the uranium being cooled to make it more reactive, so this is likely the corium entering the water table and cooling to the point of re-criticality. The cooler the mass the more reactive it becomes until it peaks and then the mass is hot enough to impede such reaction, and the cycle repeats. 

oh btw- in naturally occuring nuclear reactors, the reactions like this can last for a million years, literally."

Commentator 2

"Re-Criticality is quite common, and under normal circumstances, it will not lead to an enduring chain-reaction automatically; because if you want to have an ongoing chain-reaction, you have to be in a kind of data frame that allows reaction but prevents over-reaction. Having too much fast or slow neutrons will result in stopping the chain-reaction that can only occur within a defined frame.

"But this is about a reactor, where every single fuel rod has a well defined position, based on age, use and composition of the fuel rod.

"Since we have a mess in- and outside the reactor core, those calculations can't be done anymore.
So you have to guess what's happening because you don't know about the real situation inside - and you'll not know for a long time..."

Commentator 1
"oh btw- in naturally occuring nuclear reactors, the reactions like this can last for a million years, literally."

"Seems safe to say a corium can re-shape itself, as energetic as the material is."

Commentator 3
"I think you are a bit off the mark. The temperature of the uranium is more or less irrelevant. Its the presence of water that acts as a neutron moderator that creates (one of) the conditions for a sustained chain reaction. There is plenty of water in the reactor buildings, so the corium doesn't need to drop into the water table to find a moderator."

Commentator 4
"The corium obviously can melt it's own cavity tube which would fill up with water from various fissure points overhead as it sunk, so it's formed a deep well of water, and from the reports of the hundreds of tons of water GUSHING into the bottoms of the stricken reactor facilities I'd say this exactly what's occurring..."

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