Longitudinal Aerodynamic Characteristics Of A Subsonic Energy Efficient Transport Configuration In The National Transonic Facility
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Author |
: Peter F. Jacobs |
Publisher |
: |
Total Pages |
: 76 |
Release |
: 1989 |
ISBN-10 |
: NASA:31769000442957 |
ISBN-13 |
: |
Rating |
: 4/5 (57 Downloads) |
Synopsis Longitudinal Aerodynamic Characteristics of a Subsonic, Energy-efficient Transport Configuration in the National Transonic Facility by : Peter F. Jacobs
Author |
: National Aeronautics and Space Administration (NASA) |
Publisher |
: Createspace Independent Publishing Platform |
Total Pages |
: 70 |
Release |
: 2018-07-08 |
ISBN-10 |
: 1722619082 |
ISBN-13 |
: 9781722619084 |
Rating |
: 4/5 (82 Downloads) |
Synopsis Longitudinal Aerodynamic Characteristics of a Subsonic, Energy-Efficient Transport Configuration in the National Transonic Facility by : National Aeronautics and Space Administration (NASA)
The Reynolds number, aeroelasticity, boundary layer transition, and nonadiabatic wall temperature effects, and data repeatability was determined in the National Transonic Facility (NTF) for a subsonic, energy efficient transport model. The model was tested over a Mach number range of 0.50 to 0.86 and a Reynolds number range of 1.9 million to approximately 23.0 million (based on mean geometric chord). The majority of the data was taken using cryogenic nitrogen (data at 1.9 million Reynolds number was taken in air). Force and moment, wing pressure, and wing thermocouple data are presented. The data indicate that increasing Reynolds number resulted in greater effective camber of the supercritical wing and horizontal tail, resulting in greater lift and pitching moment coefficients at nearly all angles of attack for M = 0.82. As Reynolds number was increased, untrimmed L/D increased, the angle of attack for maximum L/D decreased, drag creep was reduced significantly, and drag divergence Mach number increased slightly. Data repeatability for both modes of operation of the NTF (air and cryogenic nitrogen) was generally very good, and nonadiabatic wall effects were estimated to be small. Transition-free and transition-fixed configurations had significantly different force and moment data at M = 0.82 for low Reynolds number, and very small differences were noted at high Reynolds numbers. Jacobs, Peter F. and Gloss, Blair B. Langley Research Center...
Author |
: Francis J. Capone |
Publisher |
: |
Total Pages |
: 100 |
Release |
: 1970 |
ISBN-10 |
: UIUC:30112106879320 |
ISBN-13 |
: |
Rating |
: 4/5 (20 Downloads) |
Synopsis Longitudinal Aerodynamic Characteristics of a Twin-turbofan Subsonic Transport with Nacelles Mounted Under the Wings by : Francis J. Capone
Author |
: David B. Middleton |
Publisher |
: |
Total Pages |
: 62 |
Release |
: 1985 |
ISBN-10 |
: STANFORD:36105024719978 |
ISBN-13 |
: |
Rating |
: 4/5 (78 Downloads) |
Synopsis Energy Efficient Transport Technology by : David B. Middleton
Author |
: Robert F. Stengel |
Publisher |
: Princeton University Press |
Total Pages |
: 864 |
Release |
: 2015-01-27 |
ISBN-10 |
: 9781400866816 |
ISBN-13 |
: 1400866812 |
Rating |
: 4/5 (16 Downloads) |
Synopsis Flight Dynamics by : Robert F. Stengel
Flight Dynamics takes a new approach to the science and mathematics of aircraft flight, unifying principles of aeronautics with contemporary systems analysis. While presenting traditional material that is critical to understanding aircraft motions, it does so in the context of modern computational tools and multivariable methods. Robert Stengel devotes particular attention to models and techniques that are appropriate for analysis, simulation, evaluation of flying qualities, and control system design. He establishes bridges to classical analysis and results, and explores new territory that was treated only inferentially in earlier books. This book combines a highly accessible style of presentation with contents that will appeal to graduate students and to professionals already familiar with basic flight dynamics. Dynamic analysis has changed dramatically in recent decades, with the introduction of powerful personal computers and scientific programming languages. Analysis programs have become so pervasive that it can be assumed that all students and practicing engineers working on aircraft flight dynamics have access to them. Therefore, this book presents the principles, derivations, and equations of flight dynamics with frequent reference to MATLAB functions and examples. By using common notation and not assuming a strong background in aeronautics, Flight Dynamics will engage a wide variety of readers. Introductions to aerodynamics, propulsion, structures, flying qualities, flight control, and the atmospheric and gravitational environment accompany the development of the aircraft's dynamic equations.
Author |
: |
Publisher |
: |
Total Pages |
: 456 |
Release |
: 1995 |
ISBN-10 |
: UIUC:30112005546491 |
ISBN-13 |
: |
Rating |
: 4/5 (91 Downloads) |
Synopsis Scientific and Technical Aerospace Reports by :
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author |
: |
Publisher |
: |
Total Pages |
: 122 |
Release |
: 1993 |
ISBN-10 |
: NASA:31769000660368 |
ISBN-13 |
: |
Rating |
: 4/5 (68 Downloads) |
Synopsis NASA Scientific and Technical Publications: A Catalog of Special Publications, Reference Publications, Conference Publications, and Technical Papers, 1991-1992 by :
Author |
: |
Publisher |
: |
Total Pages |
: 134 |
Release |
: 1993 |
ISBN-10 |
: STANFORD:36105024716156 |
ISBN-13 |
: |
Rating |
: 4/5 (56 Downloads) |
Synopsis NASA Scientific and Technical Publications by :
Author |
: Edward J. Ray |
Publisher |
: |
Total Pages |
: 84 |
Release |
: 1966 |
ISBN-10 |
: STANFORD:36105024772373 |
ISBN-13 |
: |
Rating |
: 4/5 (73 Downloads) |
Synopsis Transonic Aerodynamic Characteristics of a Tailless Fixed-wing Supersonic Transport Model by : Edward J. Ray
Author |
: Edward J. Ray |
Publisher |
: |
Total Pages |
: 84 |
Release |
: 1966 |
ISBN-10 |
: NASA:31769000665680 |
ISBN-13 |
: |
Rating |
: 4/5 (80 Downloads) |
Synopsis Transonic Aerodynamic Characteristics of a Tailless Fixed-wing Supersonic Transport Model by : Edward J. Ray