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Basic helicopter aerodynamics [[electronic resource] /] / John Seddon, Simon Newman
| Basic helicopter aerodynamics [[electronic resource] /] / John Seddon, Simon Newman |
| Autore | Seddon John M |
| Edizione | [3rd ed.] |
| Pubbl/distr/stampa | Chichester, England ; ; Hoboken, N.J. : , : Wiley, , 2011 |
| Descrizione fisica | 1 online resource (287 p.) |
| Disciplina |
629.133/352
629.133352 |
| Altri autori (Persone) | NewmanSimon <1947-> |
| Collana |
Aerospace series
THEi Wiley ebooks |
| Soggetto topico | Helicopters - Aerodynamics |
| ISBN |
1-5231-2341-9
1-283-17795-1 9786613177957 1-119-97272-8 1-119-99411-X 1-119-99410-1 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Basic Helicopter Aerodynamics; Contents; About the Authors; Series Preface; Preface to First Edition; Preface to Second Edition; Preface to Third Edition; Notation; Units; Abbreviations; 1 Introduction; 1.1 Looking Back; 1.1.1 Early Years; 1.1.2 First World War Era; 1.1.3 Inter-war Years; 1.1.4 Second World War Era; 1.1.5 Post-war Years; 1.1.6 The Helicopter from an Engineering Viewpoint; 1.2 Book Presentation; Reference; 2 Rotor in Vertical Flight: Momentum Theory and Wake Analysis; 2.1 Momentum Theory for Hover; 2.2 Non-dimensionalization; 2.3 Figure of Merit; 2.4 Axial Flight
2.5 Momentum Theory for Vertical Climb2.6 Modelling the Streamtube; 2.7 Descent; 2.8 Wind Tunnel Test Results; 2.9 Complete Induced-Velocity Curve; 2.9.1 Basic Envelope; 2.9.2 Autorotation; 2.9.3 Ideal Autorotation; 2.10 Summary Remarks on Momentum Theory; 2.11 Complexity of Real Wake; 2.12 Wake Analysis Methods; 2.13 Ground Effect; 2.14 Brownout; References; 3 Rotor in Vertical Flight: Blade Element Theory; 3.1 Basic Method; 3.2 Thrust Approximations; 3.3 Non-uniform Inflow; 3.3.1 Constant Downwash; 3.4 Ideal Twist; 3.5 Blade Mean Lift Coefficient; 3.6 Power Approximations; 3.7 Tip Loss 3.8 Example of Hover CharacteristicsReference; 4 Rotor Mechanisms for Forward Flight; 4.1 The Edgewise Rotor; 4.2 Flapping Motion; 4.3 Rotor Control; 4.4 Equivalence of Flapping and Feathering; 4.4.1 Blade Sailing; 4.4.2 Lagging Motion; 4.4.3 Coriolis Acceleration; 4.4.4 Lag Frequency; 4.4.5 Blade Flexibility; 4.4.6 Ground Resonance; References; 5 Rotor Aerodynamics in Forward Flight; 5.1 Momentum Theory; 5.2 Descending Forward Flight; 5.3 Wake Analysis; 5.3.1 Geometry of the Rotor Flow; 5.4 Blade Element Theory; 5.4.1 Factors Involved; 5.4.2 Thrust; 5.4.3 In-Plane H-force 5.4.4 Torque and Power5.4.5 Flapping Coefficients; 5.4.6 Typical Numerical Values; References; 6 Aerodynamic Design; 6.1 Introductory; 6.2 Blade Section Design; 6.3 Blade Tip Shapes; 6.3.1 Rectangular; 6.3.2 Swept; 6.3.3 Advanced Planforms; 6.4 Tail Rotors; 6.4.1 Propeller Moment; 6.4.2 Precession - Yaw Agility; 6.4.3 Calculation of Downwash; 6.4.4 Yaw Acceleration; 6.4.5 Example - Sea King; 6.5 Parasite Drag; 6.6 Rear Fuselage Upsweep; 6.7 Higher Harmonic Control; 6.8 Aerodynamic Design Process; References; 7 Performance; 7.1 Introduction; 7.2 Hover and Vertical Flight 7.3 Forward Level Flight7.4 Climb in Forward Flight; 7.4.1 Optimum Speeds; 7.5 Maximum Level Speed; 7.6 Rotor Limits Envelope; 7.7 Accurate Performance Prediction; 7.8 A World Speed Record; 7.9 Speculation on the Really Low-Drag Helicopter; 7.10 An Exercise in High-Altitude Operation; 7.11 Shipborne Operation; References; 8 Trim, Stability and Control; 8.1 Trim; 8.2 Treatment of Stability and Control; 8.3 Static Stability; 8.3.1 Incidence5 Disturbance; 8.3.2 Forward Speed Disturbance; 8.3.3 Angular Velocity (Pitch or Roll Rate) Disturbance; 8.3.4 Sideslip Disturbance; 8.3.5 Yawing Disturbance 8.3.6 General Conclusion |
| Record Nr. | UNINA-9910139628403321 |
Seddon John M
|
||
| Chichester, England ; ; Hoboken, N.J. : , : Wiley, , 2011 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Basic helicopter aerodynamics / / John Seddon, Simon Newman
| Basic helicopter aerodynamics / / John Seddon, Simon Newman |
| Autore | Seddon John M |
| Edizione | [3rd ed.] |
| Pubbl/distr/stampa | Chichester, England ; ; Hoboken, N.J., : Wiley, 2011 |
| Descrizione fisica | 1 online resource (287 p.) |
| Disciplina | 629.133/352 |
| Altri autori (Persone) | NewmanSimon <1947-> |
| Collana | Aerospace series |
| Soggetto topico | Helicopters - Aerodynamics |
| ISBN |
1-5231-2341-9
1-283-17795-1 9786613177957 1-119-97272-8 1-119-99411-X 1-119-99410-1 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Basic Helicopter Aerodynamics; Contents; About the Authors; Series Preface; Preface to First Edition; Preface to Second Edition; Preface to Third Edition; Notation; Units; Abbreviations; 1 Introduction; 1.1 Looking Back; 1.1.1 Early Years; 1.1.2 First World War Era; 1.1.3 Inter-war Years; 1.1.4 Second World War Era; 1.1.5 Post-war Years; 1.1.6 The Helicopter from an Engineering Viewpoint; 1.2 Book Presentation; Reference; 2 Rotor in Vertical Flight: Momentum Theory and Wake Analysis; 2.1 Momentum Theory for Hover; 2.2 Non-dimensionalization; 2.3 Figure of Merit; 2.4 Axial Flight
2.5 Momentum Theory for Vertical Climb2.6 Modelling the Streamtube; 2.7 Descent; 2.8 Wind Tunnel Test Results; 2.9 Complete Induced-Velocity Curve; 2.9.1 Basic Envelope; 2.9.2 Autorotation; 2.9.3 Ideal Autorotation; 2.10 Summary Remarks on Momentum Theory; 2.11 Complexity of Real Wake; 2.12 Wake Analysis Methods; 2.13 Ground Effect; 2.14 Brownout; References; 3 Rotor in Vertical Flight: Blade Element Theory; 3.1 Basic Method; 3.2 Thrust Approximations; 3.3 Non-uniform Inflow; 3.3.1 Constant Downwash; 3.4 Ideal Twist; 3.5 Blade Mean Lift Coefficient; 3.6 Power Approximations; 3.7 Tip Loss 3.8 Example of Hover CharacteristicsReference; 4 Rotor Mechanisms for Forward Flight; 4.1 The Edgewise Rotor; 4.2 Flapping Motion; 4.3 Rotor Control; 4.4 Equivalence of Flapping and Feathering; 4.4.1 Blade Sailing; 4.4.2 Lagging Motion; 4.4.3 Coriolis Acceleration; 4.4.4 Lag Frequency; 4.4.5 Blade Flexibility; 4.4.6 Ground Resonance; References; 5 Rotor Aerodynamics in Forward Flight; 5.1 Momentum Theory; 5.2 Descending Forward Flight; 5.3 Wake Analysis; 5.3.1 Geometry of the Rotor Flow; 5.4 Blade Element Theory; 5.4.1 Factors Involved; 5.4.2 Thrust; 5.4.3 In-Plane H-force 5.4.4 Torque and Power5.4.5 Flapping Coefficients; 5.4.6 Typical Numerical Values; References; 6 Aerodynamic Design; 6.1 Introductory; 6.2 Blade Section Design; 6.3 Blade Tip Shapes; 6.3.1 Rectangular; 6.3.2 Swept; 6.3.3 Advanced Planforms; 6.4 Tail Rotors; 6.4.1 Propeller Moment; 6.4.2 Precession - Yaw Agility; 6.4.3 Calculation of Downwash; 6.4.4 Yaw Acceleration; 6.4.5 Example - Sea King; 6.5 Parasite Drag; 6.6 Rear Fuselage Upsweep; 6.7 Higher Harmonic Control; 6.8 Aerodynamic Design Process; References; 7 Performance; 7.1 Introduction; 7.2 Hover and Vertical Flight 7.3 Forward Level Flight7.4 Climb in Forward Flight; 7.4.1 Optimum Speeds; 7.5 Maximum Level Speed; 7.6 Rotor Limits Envelope; 7.7 Accurate Performance Prediction; 7.8 A World Speed Record; 7.9 Speculation on the Really Low-Drag Helicopter; 7.10 An Exercise in High-Altitude Operation; 7.11 Shipborne Operation; References; 8 Trim, Stability and Control; 8.1 Trim; 8.2 Treatment of Stability and Control; 8.3 Static Stability; 8.3.1 Incidence5 Disturbance; 8.3.2 Forward Speed Disturbance; 8.3.3 Angular Velocity (Pitch or Roll Rate) Disturbance; 8.3.4 Sideslip Disturbance; 8.3.5 Yawing Disturbance 8.3.6 General Conclusion |
| Record Nr. | UNINA-9910818366903321 |
|
Seddon John M
|
||
| Chichester, England ; ; Hoboken, N.J., : Wiley, 2011 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||