lo53n t1_j1bb1ke wrote
Reply to comment by zekromNLR in How do fusion scientists expect to produce enough Tritium to sustain D-T fusion (see text)? by DanTheTerrible
Its so strange, after all those years we still convert kinetic energy to electricity via steam turbine. Is there even any feasible option to phase out steam energy or use more direct conversion?
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loggic t1_j1bsvk0 wrote
Thermoelectric devices are getting more efficient every day. This one achieved greater than 40% thermal efficiency. Of course, that was when the hot end was 2400 C, (very nearly the boiling temperature of aluminum) so there's still some work to be done to make them a bit more practical.
FinndBors t1_j1bq2hs wrote
You are looking for aneutronic fusion: https://en.wikipedia.org/wiki/Aneutronic_fusion
He3 is required but rare, or Boron fusion but needs a ton more input energy than D-T fusion. The sibling comments regarding Helion Energy is an attempt to do this using He3 and a way to synthesize it since it is very rare. The way they synthesize it is D-D fusion which does produce neutrons.
Regarding He3, people talk about mining this on the moon since it is less rare there, but IMO, its a stupid idea since it isn't like mining an ore where there is concentrations of it, it's weakly spread out all over the surface.
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