Whirl flutter of turboprop aircraft structures /

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Whirl flutter is the aeroelastic phenomenon caused by the coupling of aircraft propeller aerodynamic forces and the gyroscopic forces of the rotating masses (propeller, gas turbine engine rotor). It may occur on the turboprop, tilt-prop-rotor or rotorcraft aircraft structures. Whirl Flutter of Turbo...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: �Ce�crdle, Ji�r�i (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Cambridge, UK : Woodhead Publishing, 2015.
Colección:Woodhead Publishing in mechanical engineering.
Temas:
Flutter (Aerodynamics)
Flottement (A�erodynamique)
flutter.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Cover
  • Whirl Flutter of Turboprop Aircraft Structures
  • Copyright
  • Dedication
  • Table of contents
  • List of figures
  • Acknowledgements
  • About the author
  • 1 Introduction to aircraft aeroelasticity and whirl flutter
  • 1.1 Scope of aeroelasticity
  • 1.2 Static aeroelastic phenomena
  • 1.3 Dynamic aeroelastic phenomena
  • 1.4 References
  • 2 Theoretical background of whirl flutter phenomenon
  • 2.1 Physical principle
  • 2.2 Propeller whirl flutter
  • 2.3 Tilt-rotor whirl flutter
  • 2.4 References
  • 3 Whirl flutter occurrence in aerospace practice 3.1 Introduction
  • 3.2 Lockheed L-188C Electra II
  • 3.3 Beechcraft 1900C
  • 3.4 Other aircraft
  • 3.5 References
  • 4 Experimental research on whirl flutter
  • 4.1 Introduction
  • 4.2 Early tests (1930s)
  • 4.3 Main developments (1960s)
  • 4.4 Recent activities
  • 4.5 W-WING whirl flutter demonstrator
  • 4.6 References
  • 5 Analytical methods for whirl flutter investigation
  • 5.1 Historical overview
  • 5.2 Fundamental solution
  • 5.3 Influences of major parameters
  • 5.4 Propeller aerodynamic forces by Strip Theory5.5 Lift lag effect
  • 5.6 Blade lift curve slope and mach number effects
  • 5.7 Correction to number of propeller blades
  • 5.8 Influence of wing flexibility
  • 5.9 Influence of hinged blade flexibility
  • 5.10 Influence of gimballed propeller flexibility
  • 5.11 Influence of twisted blade flexibility
  • 5.12 Propeller aerodynamic forces by lifting surface theory
  • 5.13 Model of coupled bending blades
  • 5.14 Complex models for tiltrotor applications
  • 5.15 References
  • 6 Application to the aircraft certification process6.1 Requirements of the airworthiness regulations
  • 6.2 Analytical approaches
  • 6.3 References
  • 7 Certification examples from aerospace practice
  • 7.1 Single nosemounted engine utility aircraft
  • 7.2 Twin wingmounted engine utility aircraft
  • 7.3 Twin wingmounted engine commuter aircraft with tiptanks
  • 7.4 References
  • Nomenclature
  • Chronological bibliography
  • Index of Authors
  • Index of Subjects

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