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balfirevic | 5 months ago

> I believe the science is pretty clear that in principle these beat gas phase change systems.

Do you know by how much?

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gpm|5 months ago

Gas phase change systems in practice are up to about 60% efficiency (relative to an idealized carnot cycle), magnetocaloric systems in labs have been something like 70%, and elastocaloric 80%.

Edit: And just for reference peltier devices are usually 10-15% efficiency on this scale. So I suppose this new one is somewhere in the 20-30% range.