دانلود کتاب Flow Control Through Bio-inspired Leading-edge Tubercles: Morphology, Aerodynamics, Hydrodynamics and Applications

فهرست مطالب :

Foreword
Preface
Contents
Biomimetics and the Application of the Leading-Edge Tubercles of the Humpback Whale Flipper
1 Introduction
2 Biomimetics
3 Biology
3.1 Humpback Whale
3.2 Flippers and Tubercles
3.3 Swimming Performance and Foraging Behavior
3.4 Hydrodynamic Implications
3.5 Other Biological Leading-Edge Structures
4 Engineering
4.1 Early Studies
4.2 Wind and Water Tunnel Testing
4.3 Computational Fluid Dynamics
5 Applications
5.1 Scale and the Whale
5.2 Patents
5.3 Control Surfaces-Rudders and Dive Planes
5.4 Wings
5.5 Land Vehicles
5.6 Propellers
5.7 Fans and Compressors
5.8 Turbines
5.9 Noise Reduction
6 Conclusion
References
Tubercled Wing Flow Physics and Performance
1 Introduction
2 Flow Physics
2.1 Vortex Generators
2.2 Rounded Delta Wings
2.3 Variation of the Effective Angle-of-Attack
2.4 Spanwise Progression of Stall
2.5 Varying Spanwise Circulation
2.6 Enhanced Momentum and Energy Transfer
2.7 Formation of a Vorticity Canopy
2.8 Weakening of the Suction Peak
2.9 Flow Instability
3 The Effects of Reynolds Number
4 Unswept Full-Span Wing Performance
5 Finite-Span Unswept Wings
6 Swept Wing Performance
7 Aeroacoustics
8 Conclusion
References
Tubercle Geometric Configurations: Optimization and Alternatives
1 Optimization of the Tubercle Geometry on Full-Span Airfoils
2 Optimization of the Tubercle Geometry on Finite-Span Wings
2.1 Tubercle Spacing, Amplitude and Phase
2.2 Tubercle Alignment
2.3 Tubercle Distribution
2.4 Single Tubercle
3 Alternative Geometries
4 Conclusion
References
Flow Control by Hydrofoils with Leading-Edge Tubercles
1 Introduction
2 Experimental Approaches and Hydrofoil Designs
3 Effects of LE Tubercles on Cambered Hydrofoils
4 Formation and Behaviour of Streamwise CVPs at High AoAs
5 Oscillating LE Tubercled Hydrofoil
6 Conclusions
References
Leading-Edge Tubercles on Swept and Delta Wing Configurations
1 Background
2 Flipper Wing
3 Swept Wing
4 Delta Wing
5 Conclusion
References
Effects of Leading-Edge Tubercles on Dynamically Pitching Airfoils
1 Introduction
2 Review of Tubercle Effects on Static Wings
3 Fundamental Dynamic Stall with Tubercled Wings
4 Applied Performance Benefits of Wings Experiencing Dynamic Stall
5 Conclusion
References
Effects of Leading-Edge Tubercles on Structural Dynamics and Aeroelasticity
1 Introduction
2 Structural Considerations of LE Tubercles
3 Effects of Tubercles on Structural Modes of Vibration
3.1 Tubercles with Zero Phase Lead
3.2 Tubercles with π Phase Lead
4 Effect of Tubercle Geometry on Aeroelastic Stability
4.1 Aeroelastic Formulation
4.2 Effect of LE Tubercles on the Aerodynamics in Pitch Motions
4.3 Effect of Tubercles on Aeroelastic Stability
5 Spanwise Variation of Tubercle Geometry
6 Sweptback Configurations
6.1 Effect of Tubercle Amplitude
6.2 Effect of Tubercle Wavelength
7 Conclusion
References
Index