Almost Carrnot.

[DaS Energy]

Should it be possible to stop any heat leak at parameter of heat sink, the device appears to be self sustaining.

[DaS Energy]

CO2 behaves like water when heated. [/i]
Conversion efficiency of 82% each litre of water per second at 9 bar pressure, 720 watts. [/i]
Comparison Steam, one Power Station 200 Bar +550*C.[/i]
CO2 +50*C 200 Bar one Power Station. [/i]
CO2 +100*C 10,000 Bar.[/i]
CO2 -10*C 9 bar working pressure. Cooling to – 20*C.[/i]
Yes it is a fridge with turbine pressure reduction![/i]
So the text books say![/i]