Unit 2 : Helicopter Aerodynamics
Momentum Theory for Hovering
Momentum Theory for Climbing Flight
Figure of Merit
Blade Element Theory
Expression for Induced Velocity
Tip Losses
Performance of Ideally Twisted Constant Chord Blade
Vortex Representation of the Rotor and Its Wake
Actuator Disk Vortex Theory
Wake Structure for Optimum Rotor
Flow States of the Rotor
Normal Working State
Vortex-Ring State
Turbulent Wake Stater
Windmill Brake State
Vertical Descent Performance
Autorotation
Compressibility Effects
Ground Effect in Hover
Ground Effect in Forward Flight