Just received a very informative ppt file, here it is.

One of my RCT officemates just sent me this:

Fukishima Event – FPL Response

I’ve just thumbed through it, and it will walk you through the reactor problems in a very accessible manner. I haven’t seen anything there yet that you’d need me to explain.

Now I’m about to read it through.

About wormme

I've accepted that all of you are socially superior to me. But no pretending that any of you are rational.
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4 Responses to Just received a very informative ppt file, here it is.

  1. Mountainbear says:

    Sweet, thank you.

  2. Tom says:

    Certainly appreciate your blog. Please excuse my ignorance, but I have a basic question:

    If the reactors were shut down automatically, control rods were inserted into the core and nuclear chain reaction was shut down, then why is there so much heat still remaining?

    • wormme says:

      Here, at least, there’s no need to apologize for wanting to learn something!

      The control rods shut down fission by eliminating the free neutrons. But the fission products already produced are extremely radioactive, mostly beta and gamma radiation. All radioactive materials heat themselves. You’re heating yourself by (wild guess) a millionth of a degree from the radioactive materials in your body.

      Well, nuclear fuel fresh out of the oven is so radioactive that unless actively cooled it will melt itself down.

      • Karl Hallowell says:

        Do you know of any public domain graphs of heat generation versus time out of the oven for used fuel rods (say pulled at the end of a normal cycle)? I’m curious as to how the heat dissipation problem improves over time.

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