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What I find really surprising (and very depressing) is that these reactors are anything but "fail safe". Not that anything can ever be 100% fail safe of course, but there seem to be too many weak links here.
Short of a mechanism to tip the whole intact core into the sea, I can't see a way that this amount of energy could ever be removed 'safely'.
Well its safer by orders of magnitude than coal. 12,000 coal workers die per year
I would not be in the least surprised to learn that some poor guy was screaming for the army to deliver an emergency supply of fuel,
Since the problem was that the diesel generators for cooling failed, if the reactor did not automatically shutdown and therefore maintained power production, keeping the coolant water flowing, would the plants have been ok?
At one point, I heard that the diesel generators simply ran out of fuel. For what reason I do not know. Hopefully it was not just because of a communication foul up, but I would not be in the least surprised to learn that some poor guy was screaming for the army to deliver an emergency supply of fuel, but his request had to be "processed" through the appropriate channels before the guys at the top even knew they had to make a decision. If this sounds like an observation on culture, it is.
Yeah why did the seawater thing fail?
Did their pumps break?
Or weren't fast enough or something?
Also, you'd think that they'd have a pipe that runs from inside the plant to well outside it in case of a situation like this, so that instead of trying to drop water from choppers and water cannons they can just pump it in. An on site reservoir of fresh water to buy them some time might help too, although i'm not sure if they did have one and they already used it or what.But on the matter of dropping and spraying water in, would this have been possible if the hydrogen explosion didn't blow the roof off?
And does anyone know what kind of flow rate of water they would typically need?
Some might say it's easy for us to come up with this kind of stuff in hindsight, but alot of people get paid alot of money to run simulations of disasters and think about all this kind of stuff. So surely this stuff has been thought of, but just not implemented?