I'm with ya on generating some power from concentrating solar and producing steam. I wish there were cheap sterling engines. I think a car turbo wouldn't capture much energy. If you were looking for the math, take the following example...
Power = Work / Time
Work = Volumetric Flow * Pressure Drop ... so
Power = Volumetric Flow Rate * Pressure Drop
Example: Power is 283 watts = 0.028 (m^3/s or 1 ft^3/s) of steam * 10132.5 Pascals (10th of an atmosphere... so you raise the pressure in front of the turbine slightly less than 1.5 psi).
But don't let the man keep you down! Build it, I want to see pictures.
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