misk to Technology@lemmy.worldEnglish · 1 个月前Cold-weather range hits aren’t as bad for EVs with heat pumpsarstechnica.comexternal-linkmessage-square97fedilinkarrow-up1328arrow-down19cross-posted to: electricvehicles@slrpnk.netarstechnica_index@rss.ponder.cat
arrow-up1319arrow-down1external-linkCold-weather range hits aren’t as bad for EVs with heat pumpsarstechnica.commisk to Technology@lemmy.worldEnglish · 1 个月前message-square97fedilinkcross-posted to: electricvehicles@slrpnk.netarstechnica_index@rss.ponder.cat
minus-squareUlrich@feddit.orglinkfedilinkEnglisharrow-up12arrow-down1·1 个月前It uses the same amount of energy to create cold as it does to create heat.
minus-squarePhoton@feddit.orglinkfedilinkEnglisharrow-up4·1 个月前Well it’s about temperature differences, those are larger in winter I guess. On the other hand there is a lot more radiative heat load in summer…
minus-squareHule@lemmy.worldlinkfedilinkEnglisharrow-up1arrow-down1·1 个月前There’s a “sweet spot” for temperatures, so if a compressor and heating agent works well in summer, it won’t work well in winter.
minus-squareBronzebeard@lemm.eelinkfedilinkEnglisharrow-up1arrow-down2·1 个月前Heart pumps don’t create heat, they move it.
It uses the same amount of energy to create cold as it does to create heat.
Well it’s about temperature differences, those are larger in winter I guess. On the other hand there is a lot more radiative heat load in summer…
There’s a “sweet spot” for temperatures, so if a compressor and heating agent works well in summer, it won’t work well in winter.
Heart pumps don’t create heat, they move it.