laurenceOfSuburbia@lemmy.world to memes@lemmy.world · 2 个月前Cunk & wateri.redd.itimagemessage-square56linkfedilinkarrow-up1733arrow-down114
arrow-up1719arrow-down1imageCunk & wateri.redd.itlaurenceOfSuburbia@lemmy.world to memes@lemmy.world · 2 个月前message-square56linkfedilink
minus-squareKairos@lemmy.todaylinkfedilinkarrow-up6·2 个月前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.
minus-squarelordbritishbusiness@lemmy.worldlinkfedilinkEnglisharrow-up4·2 个月前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.
minus-square🌸𝓯𝓵𝓸𝔀𝓮𝓻🌸@sh.itjust.workslinkfedilinkarrow-up3·2 个月前You also have Stirling generator. No water needed, just heat. But they’re more expensive and less efficient, so not used for commercial applications.
minus-squareNatanael@slrpnk.netlinkfedilinkarrow-up2·2 个月前Or a Peltier element if you want to be fancy
minus-squareAnUnusualRelic@lemmy.worldlinkfedilinkarrow-up2·2 个月前The main commercial application of stirling engines is the sale of fancy little brass alcohol powered sterling engines.
minus-squareBluewing@lemmy.worldlinkfedilinkarrow-up1·2 个月前And to keep me amused machining all the parts needed to make one.
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.
Or a Peltier element if you want to be fancy
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.