fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 6 天前Gotta go fastmander.xyzimagemessage-square166linkfedilinkarrow-up1995arrow-down112
arrow-up1983arrow-down1imageGotta go fastmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 6 天前message-square166linkfedilink
minus-squareAlcoholicorn@mander.xyzlinkfedilinkEnglisharrow-up21arrow-down2·6 天前The efficiency of any heat engine comes from the difference between hot and cold, you can’t get useful work if the water’s already boiled.
minus-squarebizarroland@lemmy.worldlinkfedilinkEnglisharrow-up3·6 天前Unless you’re talking about when water converts to steam, in which case it expands by over a thousand times its original size, and the expansion is what provides usable energy and not the temperature differentials.
The efficiency of any heat engine comes from the difference between hot and cold, you can’t get useful work if the water’s already boiled.
Unless you’re talking about when water converts to steam, in which case it expands by over a thousand times its original size, and the expansion is what provides usable energy and not the temperature differentials.