pico@sh.itjust.works to Lemmy Shitpost@lemmy.world · 1 month agopower generatorsh.itjust.worksimagemessage-square67fedilinkarrow-up1944arrow-down113 cross-posted to: science_memes@mander.xyz
arrow-up1931arrow-down1imagepower generatorsh.itjust.workspico@sh.itjust.works to Lemmy Shitpost@lemmy.world · 1 month agomessage-square67fedilink cross-posted to: science_memes@mander.xyz
minus-squarech00f@lemmy.worldlinkfedilinkarrow-up6arrow-down2·edit-21 month agoThe problem is there’s an upper limit on how much useful energy you can extract from a heat engine. https://en.wikipedia.org/wiki/Carnot_cycle 1 - Tc/Th The only 100% efficient heat exchanger has a cold side at absolute zero.
minus-squarerumba@lemmy.ziplinkfedilinkEnglisharrow-up3·1 month agoAND that can maintain absolute Zero on that cold side. Getting heat to leave into the void at those temps is a battle
The problem is there’s an upper limit on how much useful energy you can extract from a heat engine.
1 - Tc/Th
The only 100% efficient heat exchanger has a cold side at absolute zero.
AND that can maintain absolute Zero on that cold side. Getting heat to leave into the void at those temps is a battle