By 2040, will compressors that are closer to isothermal than adiabatic be in widespread commercial use?
2
70Ṁ20
2041
35%
chance

Inspired by

https://www.fluidmechanics.co.uk/near-isothermal-stirling-heat-pump/isothermal-compression/

Near Isothermal Compression and Expansion
New method of isothermal compression and expansion of gases using a hydraulic fluid and heat absorbing structure to stabilise the gas temperature

Where basically the bottom half of the cylinder is water and the piston has aluminum fins half the length of the cylinder which are cooled by said water after the downstroke. Though this would have to go pretty low RPM for the savings to not be wiped out by drag.

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