w1t
Ut
u
ue
Db
uU
c2
w1t
w2t
u
Blade
Motion
Air Motion
Axis of Rotation
Propeller Theory
Air Velocity (u)
Blade Speed (Ut)
Relative Approach Velocity (w1t)
Relative Leaving Velocity (w2t)
Swirling Velocity (uq)
Axial Component of Leaving Velocity (ue)
Leaving Velocity (c2)
Turning Angle (Db)
Ut