Quote from: Thiel post_id=442349 time=1646372759 user_id=1688Quote from: "Dinky Dazza" post_id=442348 time=1646370914 user_id=1676Quote from: Thiel post_id=442346 time=1646370567 user_id=1688Quote from: "Dinky Dazza" post_id=442340 time=1646369343 user_id=1676
You mean spread out the risk.
No, I mean reduce it. At least that is what is being claimed about them, because they are not producing electricity anywhere in Canada yet.
The greater safety should come via the use of passive safety features that operate without human intervention. No need to rely on Homer J. Simpsons to prevent a meltdown.
I've seen some of these proposals. They may be slightly less dangerous to operate but there are still risks.
And spreading them out, they become targets for bad actors with a mind to cause localised carnage.
They'd become potential stationary tactical nukes in a contamination sense... no thanks.
In theory, SMR's seem like a sound idea. If emergency cooling is needed, specialized valves open automatically—allowing steam to discharge from the reactor vessel into the containment vessel. The steam then condenses and water flows back into the core through a second set of valves at the bottom of the reactor vessel. This helps cool the reactor down.
As the water boils, the steam that is created recirculates, setting up a passive safety cooling process that continues until the heat and pressure eventually stabilize.
With fewer parts needed to accomplish the same safety function, the company's simplified design allows the valves to open automatically without the need for additional pumps, power or operator action.
This leads to greater reliability of the safety system and lower capital costs when building the reactor.
So far, the only working SMR's are in the Russian Far East. But, Ontario and some American states will have them online before the end of this decade.
This short video explains their emergency cooling system.
Still reliant on valves though.... it's still a mechanical contraption.
Valves in series have failed the big nuke plants before.
Now they want to miniaturise the unit as a trade off for massive accidents so instead of major meltdowns, we'll have mini ones dotting our regional areas.
Will new cars or existing homes need radiation monitoring equipment integrated in?
It's ridiculous to me that we could water down catastrophe by spreading it more thinly everywhere.
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