Background

• Helicopter Aerodynamics: Preliminary Remarks + Video 1
  Video 2
• Introduction to Airfoils + Video
• NACA Airfoil Numbering Convention
• Aircraft Forces and Moments

Rotors in Hover, Climb and Descent

• Actuator Disk Model + Video
• Aircraft and Helicopter Data
• Hover Ceiling Example 1
• Hover Ceiling Example 2
• Blade Element Theory in Hover + Video
• Combined Blade Element Momentum Theory + Video
• NACA TN 626
• Coning Angle in Hover + Video
• Vortex Wake Theory for Rotors in Hover + Video
• Vertical Descent of Rotors (lecture) + Video

Rotors in Forward Flight

• Forward Flight: Introductory Remarks + Video
• Forward Flight Inflow Model + Video
• Power Consumption in Forward Flight + Video
• Forward Flight Coordinate Systems + Video
• Blade Flapping Dynamics in Forward Flight + Video 1 + Video2 + Video 3
• Forward Flight Sectional Airloads + Video
• Forward Flight Hub Loads + Video
• Forward Flight: Rotor Trim + Video
• Forward Flight: Rotor Trim with Fuselage Effects + Video
• Advanced Inflow Models + video 1 + video 2

Helicopter Performance

• Helicopter Performance + Video 1 + Video 2

Aeroacoustics of Rotors

• Aeroacoustics of Rotors