Info
- Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.
Art of the helicopter [[electronic resource] /] / John Watkinson
| 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->
|
||
| Oxford ; ; Burlington, MA, : Elsevier Butterworth-Heinemann, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Art of the helicopter [[electronic resource] /] / John Watkinson
| 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->
|
||
| Oxford ; ; Burlington, MA, : Elsevier Butterworth-Heinemann, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Art of the helicopter / / John Watkinson
| 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->
|
||
| Oxford ; ; Burlington, MA, : Elsevier Butterworth-Heinemann, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
The MPEG handbook : MPEG-1, MPEG-2, MPEG-4 / / John Watkinson
| The MPEG handbook : MPEG-1, MPEG-2, MPEG-4 / / John Watkinson |
| Autore | Watkinson John <1950-> |
| Edizione | [2nd ed.] |
| Pubbl/distr/stampa | Amsterdam ; ; London, : Elsevier, 2004 |
| Descrizione fisica | 1 online resource (449 p.) |
| Disciplina | 621.38970218 |
| Soggetto topico |
MPEG (Video coding standard)
Data compression (Telecommunication) - Standards Sound - Recording and reproducing - Digital techniques - Standards |
| ISBN |
1-136-02897-8
1-136-02898-6 1-281-00867-2 9786611008673 0-08-047953-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; The MPEG Handbook: MPEG-1, MPEG-2, MPEG-4; Copyright; Contents; Preface; Acknowledgements; 1 Introduction to compression; 1.1 What is MPEG?; 1.2 Why compression is necessary; 1.3 MPEG-1, 2, 4 and H.264 contrasted; 1.4 Some applications of compression; 1.5 Lossless and perceptive coding; 1.6 Compression principles; 1.7 Video compression; 1.7.1 Intra-coded compression; 1.7.2 Inter-coded compression; 1.7.3 Introduction to motion compensation; 1.7.4 Film-originated video compression; 1.8 Introduction to MPEG-1; 1.9 MPEG-2: Profiles and Levels; 1.10 Introduction to MPEG-4
1.11 Introduction to H.264 (AVC)1.12 Audio compression; 1.12.1 Sub-band coding; 1.12.2 Transform coding; 1.12.3 Predictive coding; 1.13 MPEG bitstreams; 1.14 Drawbacks of compression; 1.15 Compression pre-processing; 1.16 Some guidelines; References; 2 Fundamentals; 2.1 What is an audio signal?; 2.2 What is a video signal?; 2.3 Types of video; 2.4 What is a digital signal?; 2.5 Sampling; 2.6 Reconstruction; 2.7 Aperture effect; 2.8 Choice of audio sampling rate; 2.9 Video sampling structures; 2.10 The phase-locked loop; 2.11 Quantizing; 2.12 Quantizing error; 2.13 Dither 2.14 Introduction to digital processing2.15 Logic elements; 2.16 Storage elements; 2.17 Binary coding; 2.18 Gain control; 2.19 Floating-point coding; 2.20 Multiplexing principles; 2.21 Packets; 2.22 Statistical multiplexing; 2.23 Timebase correction; References; 3 Processing for compression; 3.1 Introduction; 3.2 Transforms; 3.3 Convolution; 3.4 FIR and IIR filters; 3.5 FIR filters; 3.6 Interpolation; 3.7 Downsampling filters; 3.8 The quadrature mirror filter; 3.9 Filtering for video noise reduction; 3.10 Warping; 3.11 Transforms and duality; 3.12 The Fourier transform 3.13 The discrete cosine transform (DCT)3.14 The wavelet transform; 3.15 The importance of motion compensation; 3.16 Motion-estimation techniques; 3.16.1 Block matching; 3.16.2 Gradient matching; 3.16.3 Phase correlation; 3.17 Motion-compensated displays; 3.18 Camera-shake compensation; 3.19 Motion-compensated de-interlacing; 3.20 Compression and requantizing; References; 4 Audio compression; 4.1 Introduction; 4.2 The deciBel; 4.3 Audio level metering; 4.4 The ear; 4.5 The cochlea; 4.6 Level and loudness; 4.7 Frequency discrimination; 4.8 Critical bands; 4.9 Beats 4.10 Codec level calibration4.11 Quality measurement; 4.12 The limits; 4.13 Compression applications; 4.14 Audio compression tools; 4.15 Sub-band coding; 4.16 Audio compression formats; 4.17 MPEG audio compression; 4.18 MPEG Layer I audio coding; 4.19 MPEG Layer II audio coding; 4.20 MPEG Layer III audio coding; 4.21 MPEG-2 AAC - advanced audio coding; 4.22 Dolby AC-3; 4.23 MPEG-4 audio; 4.24 MPEG-4 AAC; 4.25 Compression in stereo and surround sound; References; 5 MPEG video compression; 5.1 The eye; 5.2 Dynamic resolution; 5.3 Contrast; 5.4 Colour vision; 5.5 Colour difference signals 5.6 Progressive or interlaced scan? |
| Record Nr. | UNINA-9910829191603321 |
|
Watkinson John <1950->
|
||
| Amsterdam ; ; London, : Elsevier, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||