a flow passage of varying cross-sectional area in which the velocity of a gas of liquid increases in the direction of flow
velocity of the fluid at the outlet
(Forall (?Self ?Time)
(<=> (Active ?Time Nozzle ?Self)
(And (Nozzle ?Self)
(Active ?Time 1-1-Port-Thermal-Component ?Self))))
(=> (Nozzle ?Self)
(Quantity.Dimension (Outlet-Velocity ?Self) Velocity-Dimension))