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))