Aerodynamic characteristics of three helicopter rotor airfoil sections at Reynolds numbers from model scale to full scale at Mach numbers from 0.35 to 0.90 / / Kevin W. Noonan and Gene J. Bingham |
Autore | Noonan Kevin W. |
Pubbl/distr/stampa | [Washington, D.C.] : , : National Aeronautics and Space Administration, Scientific and Technical Information Branch, , September 1980 |
Descrizione fisica | 1 online resource (82 pages) : chiefly illustrations |
Collana |
NASA technical paper
AVRADCOM technical report |
Soggetto topico |
Aerodynamic characteristics
Airfoils Helicopters Reynolds number Wind tunnel tests Aerofoils - Testing Helicopters - Aerodynamics Rotors (Helicopters) - Testing |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910707473303321 |
Noonan Kevin W.
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[Washington, D.C.] : , : National Aeronautics and Space Administration, Scientific and Technical Information Branch, , September 1980 | ||
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Lo trovi qui: Univ. Federico II | ||
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Art of the helicopter [[electronic resource] /] / John Watkinson |
Autore | Watkinson John <1950-> |
Pubbl/distr/stampa | Oxford ; ; Burlington, MA, : Elsevier Butterworth-Heinemann, 2004 |
Descrizione fisica | 1 online resource (405 p.) |
Disciplina | 629.133352 |
Soggetto topico |
Helicopters
Helicopters - Aerodynamics Helicopters - Control systems Helicopters - Electric equipment |
Soggetto genere / forma | Electronic books. |
ISBN |
1-280-96648-3
9786610966486 0-08-047203-6 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
front cover; copyright; table of contents; front matter; Preface; Acknowledgements; body; 1 Introduction to rotorcraft; 1.1 Applications of the helicopter; 1.2 A short technical helicopter history; 1.3 Types of rotorcraft; 1.4 Rotor configurations; 1.5 The essential elements; 1.6 The airframe; 1.7 Engine and transmission; 1.8 The fuel system; 1.9 The landing gear; 1.10 Oleos and ground resonance; 1.11 The rotors; 1.12 The control system; 1.13 Electrical and hydraulic system; 1.14 Instruments and avionics; 2 Technical background; 2.1 Introduction to mechanics; 2.2 Mass and density
2.3 Force and acceleration2.4 Strength and rigidity; 2.5 Resultants and components offorces; 2.6 Moments and couples; 2.7 Work,energy,power and momentum; 2.8 Efficiency; 2.9 Gases and the atmosphere; 2.10 Sound; 2.11 The mechanics ofoscillation; 2.12 The mechanics ofrotation; 2.13 Sidebands; 2.14 Fourier analysis; 2.15 Centrifugal and Coriolis forces; 2.16 Rotating masses and precession; 2.17 The gyroscope; 2.18 Piezo-electric and laser gyroscopes; 2.19 Feedback; 3 Introduction to helicopter dynamics; 3.1 Creating and controlling lift; 3.2 The centre of pressure; 3.3 The coefficient of lift 3.4 Collective control3.5 In the hover; 3.6 Forces on the blades; 3.7 Rotor coning; 3.8 Torque and thrust in rotors; 3.9 The rotor as an actuator; 3.10 Blade element theory; 3.11 Disc loading; 3.12 Figure of merit; 3.13 Blade twist and taper; 3.14 Swirl; 3.15 Vertical autorotation; 3.16 Tip loss and the vortex ring; 3.17Ground effect; 3.18 Cyclic control; 3.19 Basic manoeuvres; 3.20 In translational flight; 3.21 Inflow and coning roll; 3.22 Rotor H-force; 3.23 Blade stall and compressibility; 3.24 The speed limit; 3.25 Harmonic blade motion; 3.26 Sources of vibration; 3.27 Vibration control 3.28 Harmonic pitch control3.29 Blade design; 4 Rotors in practice; 4.1 Introduction; 4.2 Why articulated rotors are used; 4.3 Axes galore; 4.4 Flapping; 4.5 Droop stops; 4.6Introduction to dragging; 4.7 Order of hinges; 4.8 Types of rotor head; 4.9 Zero-offset heads; 4.10 Dangers of zero-offset heads -negative g; 4.11 Rotor response; 4.12 Feathering; 4.13 Pitch control; 4.14 Cyclic trim; 4.15 Tilting heads; 4.16 Dragging dynamics; 4.17 Ground resonance; 4.18 Air resonance; 4.19 Dynamic rollover; 4.20 Some rotor head examples; 4.21 Blade construction; 4.22 Blade tracking; 4.23 Blade folding 5 The tail5.1 Introduction; 5.2 Balancing the torque; 5.3 The conventional tail rotor; 5.4 Tail rotor location; 5.5 Tail rotor performance; 5.6 The tail plane; 5.7 The stabilator; 5.8 Fins; 5.9 The tail boom; 5.10 The fenestron; 5.11 NOTAR; 5.12 Tail rotor failure; 6 Engines and transmissions; 6.1 Introduction; 6.2 Choice of engine; 6.3 A piston-engine installation; 6.4 A turbine installation; 6.5 Correlators and governors; 6.6 The gasoline engine; 6.7 The ignition system; 6.8 The starter; 6.9 The oil system; 6.10 The carburettor; 6.11 Fuel injection; 6.12 The turbocharger 6.13 Gasoline engine instruments |
Record Nr. | UNINA-9910457310403321 |
Watkinson John <1950->
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Oxford ; ; Burlington, MA, : Elsevier Butterworth-Heinemann, 2004 | ||
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Lo trovi qui: Univ. Federico II | ||
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Art of the helicopter [[electronic resource] /] / John Watkinson |
Autore | Watkinson John <1950-> |
Pubbl/distr/stampa | Oxford ; ; Burlington, MA, : Elsevier Butterworth-Heinemann, 2004 |
Descrizione fisica | 1 online resource (405 p.) |
Disciplina | 629.133352 |
Soggetto topico |
Helicopters
Helicopters - Aerodynamics Helicopters - Control systems Helicopters - Electric equipment |
ISBN |
1-280-96648-3
9786610966486 0-08-047203-6 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
front cover; copyright; table of contents; front matter; Preface; Acknowledgements; body; 1 Introduction to rotorcraft; 1.1 Applications of the helicopter; 1.2 A short technical helicopter history; 1.3 Types of rotorcraft; 1.4 Rotor configurations; 1.5 The essential elements; 1.6 The airframe; 1.7 Engine and transmission; 1.8 The fuel system; 1.9 The landing gear; 1.10 Oleos and ground resonance; 1.11 The rotors; 1.12 The control system; 1.13 Electrical and hydraulic system; 1.14 Instruments and avionics; 2 Technical background; 2.1 Introduction to mechanics; 2.2 Mass and density
2.3 Force and acceleration2.4 Strength and rigidity; 2.5 Resultants and components offorces; 2.6 Moments and couples; 2.7 Work,energy,power and momentum; 2.8 Efficiency; 2.9 Gases and the atmosphere; 2.10 Sound; 2.11 The mechanics ofoscillation; 2.12 The mechanics ofrotation; 2.13 Sidebands; 2.14 Fourier analysis; 2.15 Centrifugal and Coriolis forces; 2.16 Rotating masses and precession; 2.17 The gyroscope; 2.18 Piezo-electric and laser gyroscopes; 2.19 Feedback; 3 Introduction to helicopter dynamics; 3.1 Creating and controlling lift; 3.2 The centre of pressure; 3.3 The coefficient of lift 3.4 Collective control3.5 In the hover; 3.6 Forces on the blades; 3.7 Rotor coning; 3.8 Torque and thrust in rotors; 3.9 The rotor as an actuator; 3.10 Blade element theory; 3.11 Disc loading; 3.12 Figure of merit; 3.13 Blade twist and taper; 3.14 Swirl; 3.15 Vertical autorotation; 3.16 Tip loss and the vortex ring; 3.17Ground effect; 3.18 Cyclic control; 3.19 Basic manoeuvres; 3.20 In translational flight; 3.21 Inflow and coning roll; 3.22 Rotor H-force; 3.23 Blade stall and compressibility; 3.24 The speed limit; 3.25 Harmonic blade motion; 3.26 Sources of vibration; 3.27 Vibration control 3.28 Harmonic pitch control3.29 Blade design; 4 Rotors in practice; 4.1 Introduction; 4.2 Why articulated rotors are used; 4.3 Axes galore; 4.4 Flapping; 4.5 Droop stops; 4.6Introduction to dragging; 4.7 Order of hinges; 4.8 Types of rotor head; 4.9 Zero-offset heads; 4.10 Dangers of zero-offset heads -negative g; 4.11 Rotor response; 4.12 Feathering; 4.13 Pitch control; 4.14 Cyclic trim; 4.15 Tilting heads; 4.16 Dragging dynamics; 4.17 Ground resonance; 4.18 Air resonance; 4.19 Dynamic rollover; 4.20 Some rotor head examples; 4.21 Blade construction; 4.22 Blade tracking; 4.23 Blade folding 5 The tail5.1 Introduction; 5.2 Balancing the torque; 5.3 The conventional tail rotor; 5.4 Tail rotor location; 5.5 Tail rotor performance; 5.6 The tail plane; 5.7 The stabilator; 5.8 Fins; 5.9 The tail boom; 5.10 The fenestron; 5.11 NOTAR; 5.12 Tail rotor failure; 6 Engines and transmissions; 6.1 Introduction; 6.2 Choice of engine; 6.3 A piston-engine installation; 6.4 A turbine installation; 6.5 Correlators and governors; 6.6 The gasoline engine; 6.7 The ignition system; 6.8 The starter; 6.9 The oil system; 6.10 The carburettor; 6.11 Fuel injection; 6.12 The turbocharger 6.13 Gasoline engine instruments |
Record Nr. | UNINA-9910784328803321 |
Watkinson John <1950->
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Oxford ; ; Burlington, MA, : Elsevier Butterworth-Heinemann, 2004 | ||
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Lo trovi qui: Univ. Federico II | ||
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Art of the helicopter / / John Watkinson |
Autore | Watkinson John <1950-> |
Edizione | [1st ed.] |
Pubbl/distr/stampa | Oxford ; ; Burlington, MA, : Elsevier Butterworth-Heinemann, 2004 |
Descrizione fisica | 1 online resource (405 p.) |
Disciplina | 629.133352 |
Soggetto topico |
Helicopters
Helicopters - Aerodynamics Helicopters - Control systems Helicopters - Electric equipment |
ISBN |
1-280-96648-3
9786610966486 0-08-047203-6 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
front cover; copyright; table of contents; front matter; Preface; Acknowledgements; body; 1 Introduction to rotorcraft; 1.1 Applications of the helicopter; 1.2 A short technical helicopter history; 1.3 Types of rotorcraft; 1.4 Rotor configurations; 1.5 The essential elements; 1.6 The airframe; 1.7 Engine and transmission; 1.8 The fuel system; 1.9 The landing gear; 1.10 Oleos and ground resonance; 1.11 The rotors; 1.12 The control system; 1.13 Electrical and hydraulic system; 1.14 Instruments and avionics; 2 Technical background; 2.1 Introduction to mechanics; 2.2 Mass and density
2.3 Force and acceleration2.4 Strength and rigidity; 2.5 Resultants and components offorces; 2.6 Moments and couples; 2.7 Work,energy,power and momentum; 2.8 Efficiency; 2.9 Gases and the atmosphere; 2.10 Sound; 2.11 The mechanics ofoscillation; 2.12 The mechanics ofrotation; 2.13 Sidebands; 2.14 Fourier analysis; 2.15 Centrifugal and Coriolis forces; 2.16 Rotating masses and precession; 2.17 The gyroscope; 2.18 Piezo-electric and laser gyroscopes; 2.19 Feedback; 3 Introduction to helicopter dynamics; 3.1 Creating and controlling lift; 3.2 The centre of pressure; 3.3 The coefficient of lift 3.4 Collective control3.5 In the hover; 3.6 Forces on the blades; 3.7 Rotor coning; 3.8 Torque and thrust in rotors; 3.9 The rotor as an actuator; 3.10 Blade element theory; 3.11 Disc loading; 3.12 Figure of merit; 3.13 Blade twist and taper; 3.14 Swirl; 3.15 Vertical autorotation; 3.16 Tip loss and the vortex ring; 3.17Ground effect; 3.18 Cyclic control; 3.19 Basic manoeuvres; 3.20 In translational flight; 3.21 Inflow and coning roll; 3.22 Rotor H-force; 3.23 Blade stall and compressibility; 3.24 The speed limit; 3.25 Harmonic blade motion; 3.26 Sources of vibration; 3.27 Vibration control 3.28 Harmonic pitch control3.29 Blade design; 4 Rotors in practice; 4.1 Introduction; 4.2 Why articulated rotors are used; 4.3 Axes galore; 4.4 Flapping; 4.5 Droop stops; 4.6Introduction to dragging; 4.7 Order of hinges; 4.8 Types of rotor head; 4.9 Zero-offset heads; 4.10 Dangers of zero-offset heads -negative g; 4.11 Rotor response; 4.12 Feathering; 4.13 Pitch control; 4.14 Cyclic trim; 4.15 Tilting heads; 4.16 Dragging dynamics; 4.17 Ground resonance; 4.18 Air resonance; 4.19 Dynamic rollover; 4.20 Some rotor head examples; 4.21 Blade construction; 4.22 Blade tracking; 4.23 Blade folding 5 The tail5.1 Introduction; 5.2 Balancing the torque; 5.3 The conventional tail rotor; 5.4 Tail rotor location; 5.5 Tail rotor performance; 5.6 The tail plane; 5.7 The stabilator; 5.8 Fins; 5.9 The tail boom; 5.10 The fenestron; 5.11 NOTAR; 5.12 Tail rotor failure; 6 Engines and transmissions; 6.1 Introduction; 6.2 Choice of engine; 6.3 A piston-engine installation; 6.4 A turbine installation; 6.5 Correlators and governors; 6.6 The gasoline engine; 6.7 The ignition system; 6.8 The starter; 6.9 The oil system; 6.10 The carburettor; 6.11 Fuel injection; 6.12 The turbocharger 6.13 Gasoline engine instruments |
Record Nr. | UNINA-9910811288803321 |
Watkinson John <1950->
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Oxford ; ; Burlington, MA, : Elsevier Butterworth-Heinemann, 2004 | ||
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Lo trovi qui: Univ. Federico II | ||
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Art of the helicopter [e-book] / John Watkinson |
Autore | Watkinson, John, 1950- |
Pubbl/distr/stampa | Oxford : Burlington, MA : Elsevier Butterworth-Heinemann, 2004 |
Descrizione fisica | xii, 390 p. : ill. ; 26 cm. |
Disciplina | 629.133352 |
Soggetto topico |
Helicopters
Helicopters - Aerodynamics Helicopters - Control systems Helicopters - Electric equipment |
Soggetto genere / forma | Electronic books. |
ISBN |
9780750657150
0750657154 |
Formato | Risorse elettroniche ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto | Chapter 1. Introduction to Rotorcraft -- Chapter 2. Technical Background -- Chapter 3. Introduction to Helicopter Dynamics -- Chapter 4. Rotors in Practice -- Chapter 5. The Tail -- Chapter 6. Engines and transmissions -- Chapter 7. Other types of rotorcraft -- Chapter 8. Flight Instruments -- Chapter 9. Control and stability -- Chapter 10. Helicopter Performance -- Chapter 11. Flying Training -- Index. |
Record Nr. | UNISALENTO-991003237879707536 |
Watkinson, John, 1950-
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Oxford : Burlington, MA : Elsevier Butterworth-Heinemann, 2004 | ||
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Lo trovi qui: Univ. del Salento | ||
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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
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Chichester, England ; ; Hoboken, N.J. : , : Wiley, , 2011 | ||
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Lo trovi qui: Univ. Federico II | ||
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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
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Chichester, England ; ; Hoboken, N.J., : Wiley, 2011 | ||
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Lo trovi qui: Univ. Federico II | ||
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Bramwell's helicopter dynamics [e-book] / A.R.S. Bramwell, George Done, David Balmford |
Autore | Bramwell, A. R. S. |
Edizione | [2nd ed.] |
Pubbl/distr/stampa | Reston, VA : American Institute of Aeronautics and Astronautics |
Descrizione fisica | xxvii, 373 p. : ill. ; 25 cm |
Disciplina | 629.133352 |
Altri autori (Persone) |
Done, George Taylor Suttonauthor
Balmford, David Bramwell, A. R. S. |
Soggetto topico |
Helicopters - Aerodynamics
Rotors - Dynamics |
Soggetto genere / forma | Electronic books. |
ISBN |
9780750650755
0750650753 |
Formato | Risorse elettroniche ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto | Fundamental mechanisms of rotor systems * Rotor aerodynamics in axial flight * Rotor aerodynamics and dynamics in forward flight * Trim and performance in axial and forward flight * Flight dynamics and control * Unsteady aerodynamic behaviour * Structural dynamics of elastic blades * Rotor induced vibration * Aeroelastic and aeromechanical behaviours |
Record Nr. | UNISALENTO-991003224149707536 |
Bramwell, A. R. S.
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Reston, VA : American Institute of Aeronautics and Astronautics | ||
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Lo trovi qui: Univ. del Salento | ||
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Calculation of three-dimensional unsteady transonic flows past helicopter blades / / J.J. Chattot |
Autore | Chattot J. J. |
Pubbl/distr/stampa | [Washington, D.C.] : , : National Aeronautics and Space Administration, Scientific and Technical Information Branch, , October 1980 |
Descrizione fisica | 1 online resource (29 pages) : illustrations |
Collana |
NASA technical paper
AVRADCOM technical report |
Soggetto topico |
Difference equations
Finite difference theory Helicopter design Rotor aerodynamics Transonic flow Helicopters - Aerodynamics Rotors (Helicopters) - Aerodynamics Unsteady flow (Aerodynamics) |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910707472003321 |
Chattot J. J.
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[Washington, D.C.] : , : National Aeronautics and Space Administration, Scientific and Technical Information Branch, , October 1980 | ||
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Lo trovi qui: Univ. Federico II | ||
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Helicopter flight dynamics : including a treatment of tiltrotor aircraft / / Gareth D Padfield, University of Liverpool |
Autore | Padfield G. D. |
Edizione | [Third edition.] |
Pubbl/distr/stampa | Hoboken, NJ : , : John Wiley & Sons, Inc., , [2018] |
Descrizione fisica | 1 online resource (855 pages) |
Disciplina | 629.132/3 |
Soggetto topico |
Helicopters - Handling characteristics
Helicopters - Aerodynamics Tilt rotor aircraft |
Soggetto genere / forma | Electronic books. |
ISBN |
1-119-40102-X
1-119-40108-9 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910466586503321 |
Padfield G. D.
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Hoboken, NJ : , : John Wiley & Sons, Inc., , [2018] | ||
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Lo trovi qui: Univ. Federico II | ||
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