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Creating a plasma isn't hard, keeping it is: containment and breeding will be expensive. And absorbing electricity from it will be too. Charged plate conversio
by orwin 2y ago
Creating a plasma isn't hard, keeping it is: containment and breeding will be expensive. And absorbing electricity from it will be too.
Charged plate conversion system require the plate spacing be lower than the Debye radius of the plasma. So it's out for most tech (especially pulsed fusion)
And a lead-lithium blancket (the only mature tech to capture neutrons rn) is unwieldly, only capture neutrons (so already between 20 and 25% losses, let's say 20), and will loose more energy via reaction (creating deuterium-tritium, so not useless, but still, lost energy, 25% losses). Then between the heat exchangers and the steam engine, let's say 65% losses (and i think i'm generous). So you'll get at best 21% of the generated energy as electricity (and i'm being _Very_ generous. imho if you have more than 15% it's a success).
With that, you'll have to contain and breed the plasma. Good luck.