Low Speed Aerodynamic Characteristics Of A 17 Percent Thick Airfoil Section Designed For General Aviation Applications
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Low Speed Aerodynamic Characteristics Of A 17 Percent Thick Airfoil Section Designed For General Aviation Applications
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Author : Robert J. McGhee
language : en
Publisher:
Release Date : 1973
Low Speed Aerodynamic Characteristics Of A 17 Percent Thick Airfoil Section Designed For General Aviation Applications written by Robert J. McGhee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Aerodynamics categories.
"An investigation was conducted in the Langley low-turbulence pressure tunnel to determine the low-speed two-dimensional aerodynamic characteristics of a 17-percent thick airfoil designed for general aviation applications. The results are compared with a typical older NACA 65 series airfoil section. Also, a comparison between experimental data and predictions, based on a theoretical method for calculating the viscous flow about the airfoil, is presented. The tests were conducted over a Mach number range from 0.10 to 0.28 and an angle-of-attack range from -10° to 24°. Reynolds numbers, based on the airfoil chord, were varied from about 2.0x106 to 20.0x106. The results of the investigation indicate that maximum section lift coefficients increased rapidly at Reynolds numbers from about 2.0x106 to 6.0x106 and attained values greater than 2.0 for the plain airfoil and greater than 3.0 with a 20-percent-chord split flap deflected 60°. Stall characteristics were generally gradual and of the trailing-edge type either with or without the split flap. At a lift coefficient of 1.0 (climb condition) the section lift-drag ratio increased from about 65 to 85 as the Reynolds number increased from about 2.0x106 to 6.0x106. Maximum section lift coefficients were about 30 percent greater than that of a typical older NACA 65 series airfoil section and the section lift-drag ratio at a lift coefficient of 0.90 was about 50 percent greater. Agreement of experimental results with predictions based on a theoretical method which included viscous effects was good for the pressure distributions as long as no boundary-layer flow separation was present, but the theoretical method predicted drag values greatly in excess of the measured values."--Page 1
Low Speed Aerodynamic Characteristics Of A 17 Percent Thick Medium Speed Airfoil Designed For General Aviation Applications
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Author : Robert J. McGhee
language : en
Publisher:
Release Date : 1980
Low Speed Aerodynamic Characteristics Of A 17 Percent Thick Medium Speed Airfoil Designed For General Aviation Applications written by Robert J. McGhee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Aerodynamics categories.
Wind tunnel tests were conducted to determine the low speed two dimensional aerodynamic characteristics of a 17 percent thick medium speed airfoil (MS(1)-0317) designed for general aviation applications. The results were compared with data for the 17 percent thick low speed airfoil (LS(1)-0417) and the 13 percent thick medium speed airfoil (MS(1)-0313). Theoretical predictions of the drag rise characteristics of this airfoil are also provided. The tests were conducted in the Langley low turbulence pressure tunnel over a Mach number range from 0.10 to 0.32, a chord Reynolds number range from 2 million to 12 million, and an angle of attack range from about -8 to 20 deg.
Low Speed Aerodynamic Characteristics Of A 13 Percent Thick Medium Speed Airfoil Designed For General Aviation Applications
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Author : R. J. McGhee
language : en
Publisher:
Release Date : 1979
Low Speed Aerodynamic Characteristics Of A 13 Percent Thick Medium Speed Airfoil Designed For General Aviation Applications written by R. J. McGhee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
Effects Of Thickness On The Aerodynamic Characteristics Of An Initial Low Speed Family Of Airfoils For General Aviation Applications
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Author : Robert J. McGhee
language : en
Publisher:
Release Date : 1976
Effects Of Thickness On The Aerodynamic Characteristics Of An Initial Low Speed Family Of Airfoils For General Aviation Applications written by Robert J. McGhee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Aerofoils categories.
Low Speed Aerodynamic Characteristics Of A 16 Percent Thick Variable Geometry Airfoil Designed For General Aviation Applications
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Author : Richard W. Barnwell
language : en
Publisher:
Release Date : 1978
Low Speed Aerodynamic Characteristics Of A 16 Percent Thick Variable Geometry Airfoil Designed For General Aviation Applications written by Richard W. Barnwell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Aerofoils categories.
Low Speed Aerodynamic Characteristics Of A 16 Percent Thick Variable Geometry Airfoil Designed For General Aviation Applications
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Author : Richard W. Barnwell
language : en
Publisher:
Release Date : 1978
Low Speed Aerodynamic Characteristics Of A 16 Percent Thick Variable Geometry Airfoil Designed For General Aviation Applications written by Richard W. Barnwell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with categories.
Low Speed Aerodynamic Characteristics Of A 13 Percent Thick Airfoil Section Designed For General Aviation Applications
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Author : Robert J. McGhee
language : en
Publisher:
Release Date : 1977
Low Speed Aerodynamic Characteristics Of A 13 Percent Thick Airfoil Section Designed For General Aviation Applications written by Robert J. McGhee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Aerodynamics categories.
Nasa Technical Paper
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Author :
language : en
Publisher:
Release Date : 1990
Nasa Technical Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Science categories.
Nasa Technical Note
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Author :
language : en
Publisher:
Release Date : 1977
Nasa Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
Advances In Wind Turbine Blade Design And Materials
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Author : Povl Brondsted
language : en
Publisher: Elsevier
Release Date : 2013-10-31
Advances In Wind Turbine Blade Design And Materials written by Povl Brondsted and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-31 with Technology & Engineering categories.
Wind energy is gaining critical ground in the area of renewable energy, with wind energy being predicted to provide up to 8% of the world’s consumption of electricity by 2021. Advances in wind turbine blade design and materials reviews the design and functionality of wind turbine rotor blades as well as the requirements and challenges for composite materials used in both current and future designs of wind turbine blades. Part one outlines the challenges and developments in wind turbine blade design, including aerodynamic and aeroelastic design features, fatigue loads on wind turbine blades, and characteristics of wind turbine blade airfoils. Part two discusses the fatigue behavior of composite wind turbine blades, including the micromechanical modelling and fatigue life prediction of wind turbine blade composite materials, and the effects of resin and reinforcement variations on the fatigue resistance of wind turbine blades. The final part of the book describes advances in wind turbine blade materials, development and testing, including biobased composites, surface protection and coatings, structural performance testing and the design, manufacture and testing of small wind turbine blades. Advances in wind turbine blade design and materials offers a comprehensive review of the recent advances and challenges encountered in wind turbine blade materials and design, and will provide an invaluable reference for researchers and innovators in the field of wind energy production, including materials scientists and engineers, wind turbine blade manufacturers and maintenance technicians, scientists, researchers and academics. Reviews the design and functionality of wind turbine rotor blades Examines the requirements and challenges for composite materials used in both current and future designs of wind turbine blades Provides an invaluable reference for researchers and innovators in the field of wind energy production