An isobaric process is a constant pressure process
(Forall
(?Self ?Time)
(=> (Active ?Time Steady-Flow-Isobaric-Process ?Self)
(Forall
(?Cv)
(=> (Process-Cv ?Self ?Cv)
(= (Lambda
(?T)
(If (= ?T ?Time)
(Value-At (Stream-Pressure (Inlet-Stream ?Cv))
?T)))
(Lambda
(?T)
(If (= ?T ?Time)
(Value-At (Stream-Pressure
(Outlet-Stream ?Cv))
?T))))))))
(Forall (?Self ?Time)
(<=> (Active ?Time Steady-Flow-Isobaric-Process ?Self)
(And (Steady-Flow-Isobaric-Process ?Self)
(Active ?Time
Steady-State-Steady-Flow-Process
?Self))))