4 ms·
I wonder what is the round-trip efficiency for this cycle. I read that you can improve it by matching with large scale but low-grade heat source.
by d_silin 6y ago
I wonder what is the round-trip efficiency for this cycle. I read that you can improve it by matching with large scale but low-grade heat source.
- swebs 6y agoThe article says 25%.
- luma 6y agoThat’s a pretty tough sell versus pumped hydro which is generally 70%+
- timerol 6y agoThe manufacturer claims 60-75%, with a lifespan of 30-40 years https://highviewpower.com/technology/ https://highviewpower.com/technology/
- taneq 6y agoThat's not increasing the efficiency of the storage, though. It's just using otherwise wasted heat from a different process (which could probably be otherwise used for cogeneration or something). In hot countries it might be efficient if the chilled exhaust is used for air conditioning or something, I guess.
- Faaak 6y agoPer https://kth.diva-portal.org/smash/get/diva2:1216213/FULLTEXT01.pdf https://kth.diva-portal.org/smash/get/diva2:1216213/FULLTEXT... , the theoretical maximum seems to be ~70%. Which is not bad but not great either if you compare it to Pumped hydro storage.