npub1khx67x36rsu5y2f3ruuq8crnxndmep88399l2phu50etnfcrkr6q6hgeyg (npub1khx…geyg) Hi Sheril, while it is true that over 2/3 (and sometimes over 3/4) of fuel energy is released as heat, this is an inescapable byproduct of thermodynamics.
A Carnot heat engine has a maximum efficiency of 1 only when the cold reservoir is at absolute zero (0K). We all know the feasibility of achieving that. The cold reservoir is frequently the ambient air temperature, which can be around 300K.
https://en.m.wikipedia.org/wiki/Carnot%27s_theorem_(thermodynamics)
Dr. Koala /
npub1h0…0td08
2023-08-29 14:48:02
in reply to nevent1q…umhr
Author Public Key
npub1h0q3ughqxyu776vy8my409jaa2qy3tffaemh74qmfta3rpah6qysf0td08Seen on
wss://relay.nostr.bandPublished at
2023-08-29 14:48:02Event JSON
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"content": "nostr:npub1khx67x36rsu5y2f3ruuq8crnxndmep88399l2phu50etnfcrkr6q6hgeyg Hi Sheril, while it is true that over 2/3 (and sometimes over 3/4) of fuel energy is released as heat, this is an inescapable byproduct of thermodynamics.\n\nA Carnot heat engine has a maximum efficiency of 1 only when the cold reservoir is at absolute zero (0K). We all know the feasibility of achieving that. The cold reservoir is frequently the ambient air temperature, which can be around 300K.\nhttps://en.m.wikipedia.org/wiki/Carnot%27s_theorem_(thermodynamics)",
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