T
Pa
T
Pa
ue
Po
Po
T
Pa
ua
Po
Pa
Po
Ai
Jet Propulsion Principle (Thrust)
T=Ai(po-pa)
T: Thrust
Pa: Ambient Pressure
Po: Internal Pressure
ue: Exit Velocity
ua: Mass-average Exhaust Velocity
Steady-Flow
T=mua
.