laurenceOfSuburbia@lemmy.world to memes@lemmy.world · 4 days agoCunk & wateri.redd.itimagemessage-square56fedilinkarrow-up1724arrow-down112
arrow-up1712arrow-down1imageCunk & wateri.redd.itlaurenceOfSuburbia@lemmy.world to memes@lemmy.world · 4 days agomessage-square56fedilink
minus-squareKairos@lemmy.todaylinkfedilinkarrow-up6·4 days agoThis is the most efficient way when you’re burning a fuel, any fuel, always. Otherwise the machine wouldn’t capture the waste heat. Gasoline engines capture only 25-40% of the the chemical energy in their fuel.
minus-squarelordbritishbusiness@lemmy.worldlinkfedilinkEnglisharrow-up4·4 days agoWell, there’s always supercritical CO2 for getting a bit more spin for your heat. It’s got a pretty fabulous efficiency, pretty fabulous cost too.
minus-square🌸𝓯𝓵𝓸𝔀𝓮𝓻🌸@sh.itjust.workslinkfedilinkarrow-up3·4 days agoYou also have Stirling generator. No water needed, just heat. But they’re more expensive and less efficient, so not used for commercial applications.
minus-squareAnUnusualRelic@lemmy.worldlinkfedilinkarrow-up2·4 days agoThe main commercial application of stirling engines is the sale of fancy little brass alcohol powered sterling engines.
minus-squareBluewing@lemmy.worldlinkfedilinkarrow-up1·4 days agoAnd to keep me amused machining all the parts needed to make one.
minus-squareNatanael@slrpnk.netlinkfedilinkarrow-up2·4 days agoOr a Peltier element if you want to be fancy
This is the most efficient way when you’re burning a fuel, any fuel, always. Otherwise the machine wouldn’t capture the waste heat.
Gasoline engines capture only 25-40% of the the chemical energy in their fuel.
Well, there’s always supercritical CO2 for getting a bit more spin for your heat.
It’s got a pretty fabulous efficiency, pretty fabulous cost too.
You also have Stirling generator. No water needed, just heat. But they’re more expensive and less efficient, so not used for commercial applications.
The main commercial application of stirling engines is the sale of fancy little brass alcohol powered sterling engines.
And to keep me amused machining all the parts needed to make one.
Or a Peltier element if you want to be fancy