this post was submitted on 23 Jul 2024
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chapotraphouse
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I'm sure the Titanic was also unsinkable for a regular breach.
Now what happens if somebody drops a bomb on the plant
"What are you going to do, bomb me?" -- nuclear reactor engineer at meltdown-proof nuclear plant
I do kinda wonder what happens if they lose coolant.
Helium has such a low heat capacity, it has to be at a fairly high pressure (70 bar in this case) and flow really fast. It's mitigated to some extent by the low density and size of the reactor, as demonstrated by the passive flow being sufficient to cool it.
Also IIRC these fuel pebbles themselves become less reactive as they get hotter and they can get very hot before melting down
Well, they do tend to be designed to be resistant to that kind of thing - and some sorta fancy bunker buster would probably disperse the fissile material anyway. Certainly a big ol' not good, but criticality depends on having enough mass in close proximity, so it's similar to how you can blow up a nuclear missile with an interceptor safely-ish.
Setting an oil facility ablaze is going to be much easier and have worse health effects in the vicinity.