the system consisting of a turbine, an associated control-volume, and a throttling process.
the expansion process
the turbine
the control volume associated with the turbine in the turbine-system
the water flowing through the turbine
(Forall (?Self ?Time) (<=> (Active ?Time Turbine-System ?Self) (And (Turbine-System ?Self) (Active ?Time System-Model ?Self)))) (=> (Turbine-System ?Self) (And (Cv-Component (Tbn-Cv ?Self) (Tbn ?Self)) (Component-Cv (Tbn ?Self) (Tbn-Cv ?Self)) (Process-Cv (Expsn-Prcs ?Self) (Tbn-Cv ?Self)) (Substance-In (Tbn-Cv ?Self) (Water-In-Tbn ?Self)) (Substance-In (Inlet-Stream (Tbn-Cv ?Self)) (Water-In-Tbn ?Self)) (Substance-In (Outlet-Stream (Tbn-Cv ?Self)) (Water-In-Tbn ?Self))))