3 ms·
I wonder if they would get better results with a retro-mirror on the other side of the roaster to reflect IR and catch any rays that didn't get into the roaster
by csours 4y ago
I wonder if they would get better results with a retro-mirror on the other side of the roaster to reflect IR and catch any rays that didn't get into the roaster
---
The other question is: is it cheaper to do this, or just to set up solar panels and a resistive heating element based roaster.
I don't know of any super high temperature heat pumps, but that's the next thing I think of in making the process more efficient.
- skykooler 4y agoAt those temperatures you'd need something multi-stage with liquid metals, which is going to be a nightmare to engineer - you'd need some way of preheating it to melt it so you could turn it on in the first place, for example. And heat pumps are much less efficient at high temperature differentials, as would be the case here.
- yjftsjthsd-h 4y agoI can't imagine resistive heating winning against this, since current photovoltaic panels are relatively inefficient compared to just shoving the radiation directly into your target.
- csours 4y agoNot in energy efficiency, in cost efficiency.