AE 6070 Rotorcraft Aerodynamics

Spring 2004

 

 

Course Outline

 

PowerPoint Presentations

 

• Part 1
• Part 2
• Part 3
• Inflow Models
• Part 4
• Introduction to Rotorcraft Aeroacoustics

 

Supplementary Material IV: Class Notes (Word Form)

 

• Introductory Remarks
• Blade Element Theory (Hover)
• Combined Blade Element Momentum Theory
• Coning Angle in Hover
• Angle of Attack of a Blade Element in Forward Flight
• Coning Angle in Forward Flight
• Prescribed Wake Models for Rotors in Forward Flight
• Tip path Plane Loads
  
  
• Prescribed Wake Hover Analysis (MATLAB code)

 

Some useful Classics:

 

·        Bailey, NACA Report 716

·        Gessow et al, NACA Report 1266

·        Castles, et al NASA Report 1184, 1954

·        Heyson, et al NASA Report 1319

 

Some Recent work on Free Wake Methods and Applications

·        Wayne Johnson’s paper on CAMRAD II

·        Penn State U Master’s Thesis on development of a Freewake Method

·        Application of a Free Wake Method to Vibration Reduction using Trailing Edge Flaps

·          Application of CAMRAD II to Model Apache Helicopter

·        Application of CAMRAD II to Model Large Helicopters

·        Application of CAMRAD II to UH-60A Black Hawk Helicopter

·        NASA TM 2000-209601 Airfoil Dynamics Stall and Rotorcraft Maneuverability