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Posts
- Category: Principles of Helicopter Aerodynamics Second Edition (continued)
- Boundary Layer Equations
- Vortex Methods
- Vorticity Transport Equations
- Euler Equations
- Navier-Stokes Equations
- Fundamental Governing Equations of Aerodynamics
- Computational Methods for Helicopter Aerodynamics[49]
- Chapter Review
- Advanced Aerodynamic Modeling Requirements
- Dynamic Stall and Stall Delay
- Tower Shadow
- Unsteady Aerodynamic Effects on Wind Turbines
- Vortex Wake Considerations
- Yawed Flow Operation
- Airfoils for Wind Turbines
- Effects of Stall
- Tip Losses and Other Viscous Losses
- Tip-Loss Effects
- Effect of Number of Blades
- Blade Element Momentum Theory for a Wind Turbine
- Blade Element Model for the Wind Turbine
- Elementary Wind Models
- Representative Power Curve for a Wind Hirbine
- Theoretical Maximum Efficiency
- Power and Thrust Coefficients for a Wind Turbine
- Momentum Theory Analysis for a Wind Turbine
- Power in the Wind
- History of Wind Thrbine Development
- Aerodynamics of Wind Turbines
- Chapter Review
- Renaissance of the Autogiro?
- Ground and Air Resonance
- Improving Performance: Jump and Towering Takeoffs
- Giving Better Control: Orientable Rotors
- NACA Research on Autogiros
- Airfoils for Autogiros
- Comparison of Autogiro Performance with the Helicopter
- Forward Flight Performance of the Autogiro
- Vertical Flight Performance of the Autogiro
- Autogiro Theory Meets Practice
- Prerotating the Rotor
- Innovation of the Flapping and Lagging Hinges
- Rolling Rotors: The Dilemma of Asymmetric Lift
- Review of Autorotational Physics
- Autogiros and Gyroplanes[44]
- Chapter Review
- Rotor—Tail Rotor Interactions
- Modeling of Rotor-Empennage Interactions
- Rotor-Empennage Interactions
- Modeling of Rotor—Fuselage Interactions
- Fuselage Side-Forces
- Type-4 Interactions: Post Wake-Surface Impingement
- Type-3 Interactions: Wake-Surface Impingement
- Type-2 Interactions: Close Wake-Surface Interactions
- Unsteady Rotor-Fuselage Interactions
- Time-Averaged Effects on the Airframe
- Effects of the Fuselage on Rotor Performance
- Rotor-Fuselage Interactions
- Rotor-Airframe Interactional Aerodynamics
- Wake Developments in Maneuvering Flight
- Descending Flight and the Vortex Ring State
- General Dynamic Inflow Models
- Simulation of Carpenter & Friedovich Problem
- Time-Marching Free-Vortex Wakes
- Dynamic Inflow
- Flow Visualization of Transient Rotor Wake Problems
- Wake Stability Analysis
- Aperiodic Wake Developments
- Comparisons of Vortex Wake Models with Experimental Data
- General Numerical Trim Model
- Numerical Characteristics of Free-Wake Models
- Acceleration Methods
- Cost of the Free-Wake Solution
- Free - Vortex Wake Analyses
- Beddoes’s Generalized Wake Model
- Modifications to Rigid Vortex Wake Models
- Rigid or Undistorted Wake
- Prescribed Vortex Wake Models for Forward Flight Vortex Ring Model
- Kocurek & Tangier’s Prescribed Wake Model
- Prescribed Wake Models for Hovering Flight
- Biot-Savart Law
- Vortex Models of the Rotor Wake
- Flow Rotation Effects on Turbulence Inside Vortices
- Correlation of Rotor Tip Vortex Data
- Vorticity Diffusion Effects and Vortex Core Growth
- Models for the Tip Vortex
- Velocity Field
- Detailed Structure of the Tip Vortices
- Vortex Perturbations and Instabilities
- Other Characteristics of Rotor Wakes
- Blade—Vortex Interactions (BVIs)
- Wake Boundaries
- Characteristics of the Rotor Wake in Forward Flight
- Wake Geometry in Hover
- . Characteristics of the Rotor Wake in Hover
- Density Gradient Methods
- Smoke Flow Visualization
- Natural Condensation Effects
- Flow Visualization Techniques
- Rotor Wakes and Blade Tip Vortices