Wind Tunnel Free Flight Investigation Of A Supersonic Persistence Fighter PDF Download

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Wind-Tunnel Free-Flight Investigation of a Supersonic Persistence Fighter

Wind-Tunnel Free-Flight Investigation of a Supersonic Persistence Fighter
Author: National Aeronautics and Space Adm Nasa
Publisher:
Total Pages: 68
Release: 2018-11-07
Genre:
ISBN: 9781730901560

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Wind-tunnel free-flight tests have been conducted in the Langley 30- by 60-Foot Wind Tunnel to examine the high-angle-of-attack stability and control characteristics and control law design of a supersonic persistence fighter (SSPF) at 1 g flight conditions. In addition to conventional control surfaces, the SSPF incorporated deflectable wingtips (tiperons) and pitch and yaw thrust vectoring. A direct eigenstructure assignment technique was used to design control laws to provide good flying characteristics well into the poststall angle-of-attack region. Free-flight tests indicated that it was possible to blend effectively conventional and unconventional control surfaces to achieve good flying characteristics well into the poststall angle-of-attack region. Hahne, David E. and Wendel, Thomas R. and Boland, Joseph R. Langley Research Center...


Flight Dynamics

Flight Dynamics
Author: Robert F. Stengel
Publisher: Princeton University Press
Total Pages: 863
Release: 2004-10-17
Genre: Science
ISBN: 0691114072

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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.


Monthly Catalog of United States Government Publications

Monthly Catalog of United States Government Publications
Author: United States. Superintendent of Documents
Publisher:
Total Pages: 1192
Release: 1993
Genre: Government publications
ISBN:

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February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index


Wind-tunnel Investigation of Paraglider Models at Supersonic Speeds

Wind-tunnel Investigation of Paraglider Models at Supersonic Speeds
Author: Robert T. Taylor
Publisher:
Total Pages: 22
Release: 1961
Genre: Aerodynamics, Supersonic
ISBN:

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An investigation was made in the Langley Unitary Plan wind tunnel to determine the behavior of paraglider models at moderate to high supersonic speeds. The models were deployed from a sting in the supersonic stream and steady-state aerodynamics performance data were obtained. Maximum values of the lift-drag ratio were about 1.4 at a Mach number of 2.65 and about 1.2 at a Mach number of 4.65. The angles of attack over which the models could be flown were limited by unsteady behavior of the canopy.


Wind-tunnel Investigation of the Aerodynamic Characteristics of a Model Representative of a Supersonic Fighter-class Airplane with an External-flow Jet-augmented Flap in Low-speed Flight

Wind-tunnel Investigation of the Aerodynamic Characteristics of a Model Representative of a Supersonic Fighter-class Airplane with an External-flow Jet-augmented Flap in Low-speed Flight
Author: William A. Newsom
Publisher:
Total Pages: 104
Release: 1959
Genre: Aerodynamics
ISBN:

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