a thermal component in which work is done on a gas passing through them in order to raise the pressure
the pressure ratio of the compressor
(Forall (?Self ?Time) (<=> (Active ?Time Compressor ?Self) (And (Compressor ?Self) (Active ?Time Work-Consuming-Component ?Self) (Active ?Time 1-1-Port-Thermal-Component ?Self)))) (=> (Compressor ?Self) (Quantity.Dimension (Pressure-Ratio ?Self) Dimensionless))