As one of the other sibling comments noted, a turbine can extract maybe 33% of t... | Hacker News

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		blake1 on March 10, 2020 \| parent \| context \| favorite \| on: Pentagon awards contracts to design mobile nuclear... As one of the other sibling comments noted, a turbine can extract maybe 33% of the thermal energy if it’s operating at the theoretical maximum Carnot efficiency. The other 66% must be dumped somewhere to avoid accidents.

chrisseaton on March 10, 2020 [–]

So what is being cooled is really the backend of the turbine, not the reactor.

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