What is a meltdown? - Pensacola Fishing Forum

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Old 03-17-2011, 10:34 AM   #1
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Default What is a meltdown?

I understand you may not like her, but here is a very good explanation of a "meltdown", and it is apolitical.

http://www.msnbc.msn.com/id/26315908...show/#42120956

My brother-in law went to Chernobyl in the 1990's with a US company contracted to help put a new concrete coffin over the plant. The stories he tells are incredible. At the time of the accident Russian engineers went back into the plant knowing full well they would not live more than a few days if they did. The city near Chernobyl is still deserted,... a new city, EVERYTHING there from museums to pencils on desks at grammer schools. NO PEOPLE!... He said it was just an eerie experience.

He now has early onset Alzheimer's Disease (first symptoms at age 53)... the doctors are not sure if it is related, he is now a data point.

Jim

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Old 03-17-2011, 10:56 AM   #2
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I normally can't stand her, but that is good info.........

So sorry to hear about your brother in law.........

Thanks for sharing that vid............. Maybe one day we will know what exactly is going on........
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Old 03-17-2011, 12:26 PM   #3
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Thanks Jim... I can't stand her either btw. Now if what she is saying is ture about the spent fuel pools and more than one of these babies goes into meltdown, then the release could be 3x or worse than Chernobyl if they all contain the same amount of spent fuel rods. I just heard on CNBC a couple of moments ago that they don't really know how much spent fuel has been stored on site. Unbelievable!!! Now here's a really simplified article on how the reactors work and what exactly happened.

http://www.physorg.com/news/2011-03-...own-video.html

The one thing it doesn't talk about is how the Hydrogen gas is produced, but it is my understanding that once the fuel rods become exposed and the temperature reaches over 2000 degrees, water will instantly seperate into hydrogen and oxygen on contact; hence the hydorgen explosions we've seen so far.
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Old 03-17-2011, 01:33 PM   #4
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OK , what becomes of the water they are using to cool the pools ?? Does it all evaporate??

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Old 03-17-2011, 02:39 PM   #5
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Quote:
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ok , what becomes of the water they are using to cool the pools ?? Does it all evaporate??

Scott
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Old 03-17-2011, 03:27 PM   #6
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Scott
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Old 03-17-2011, 03:42 PM   #7
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I think they are in concrete pools and the pools are cracked and leaking into the ground.

Jim
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Old 03-17-2011, 03:51 PM   #8
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Quote:
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OK , what becomes of the water they are using to cool the pools ?? Does it all evaporate??

Scott
The water boils off. Ironic but I am working at a Nuke in Nebraska right now. We just put in a modification that added aditional cooling for the spent fuel pool. We secured fuel pool cooling to tie in the new system and the heat up rate was just under 1 degree per hour. The plant in Japan had the reactor unloaded which puts alot more heat in the pool. These plants a the safest when runnig at 100 percent power. That is what thet were designed for. There is way more risk when shut down for refueling.

Steve
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Old 03-17-2011, 09:42 PM   #9
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Good info.
If she keeps "reporting" like that someday she may have an audience...
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Old 03-17-2011, 11:18 PM   #10
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I don't know much about her but I found the report to be very informative. I am assuming that the heat produced from these fuel rods is what powers turbines to produce power. Is that correct? If active fuel rods have a useful life of 6 years as reported, how long is a spent fuel rod still hot and dangerous?
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