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Author : A. J. Rao
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (535 download)
Download or read book Variable Camber Wings for Transport Aircraft written by A. J. Rao and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781723832284
Total Pages : 50 pages
Book Rating : 4.8/5 (322 download)
Download or read book Estimated Benefits of Variable-Geometry Wing Camber Control for Transport Aircraft written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-19 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical benefits of variable-camber capability on subsonic transport aircraft are explored. Using aerodynamic performance models, including drag as a function of deflection angle for control surfaces of interest, optimal performance benefits of variable camber are calculated. Results demonstrate that if all wing trailing-edge surfaces are available for optimization, drag can be significantly reduced at most points within the flight envelope. The optimization approach developed and illustrated for flight uses variable camber for optimization of aerodynamic efficiency (maximizing the lift-to-drag ratio). Most transport aircraft have significant latent capability in this area. Wing camber control that can affect performance optimization for transport aircraft includes symmetric use of ailerons and flaps. In this paper, drag characteristics for aileron and flap deflections are computed based on analytical and wind-tunnel data. All calculations based on predictions for the subject aircraft and the optimal surface deflection are obtained by simple interpolation for given conditions. An algorithm is also presented for computation of optimal surface deflection for given conditions. Benefits of variable camber for a transport configuration using a simple trailing-edge control surface system can approach more than 10 percent, especially for nonstandard flight conditions. In the cruise regime, the benefit is 1-3 percent.Bolonkin, Alexander and Gilyard, Glenn B.Armstrong Flight Research CenterWING CAMBER; WIND TUNNEL TESTS; TRANSPORT AIRCRAFT; ADAPTIVE CONTROL; CAMBERED WINGS; AERODYNAMIC CHARACTERISTICS; AIRCRAFT PERFORMANCE; COMMERCIAL AIRCRAFT; LIFT DRAG RATIO; SUBSONIC SPEED; CONTROL SURFACES; TRAILING EDGES; AILERONS; ALGORITHMS; MACH NUMBER; PITCHING MOMENTS; FLIGHT OPTIMIZATION
Author : Alexander Bolonkin
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (317 download)
Download or read book Estimated Benefits of Variable-Geometry Wing Camber Control for Transport Aircraft written by Alexander Bolonkin and published by . This book was released on 1999 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Structural and Mechanical Feasibility Study of a Variable Camber Wing (VCW) for a Transport Aircraft written by and published by . This book was released on 1908 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Aerodynamic investigations have shown' that variable camber wings (VCW) for transport aircraft have considerable potential in terms of improving aircraft performance and enhancing their operational flexibility. In order to justify these benefits it is essential that the camber varying system is structurally and mechanically feasible. This research examined the feasibility of providing variable camber to two supercritical aerofoil sections of different'characteristics. The unique method of camber vaTiation was applied by rotating the forward and aft regions of the aerofoil on a circular arc and keeping the surface continuous and matching at their attachment to the main wing box. The change in camber thus increased the chord due to translational motion of the aforementioned regions. The geometries required for varying the forward camber by this method presented formidable design difficulties and no immediate solutions could be found. As a result, an alternative geometry was devised which accepts camber by simply drooping the nose region. A novel idea was developed for aft camber variation, which is considered to be universal for all supercritical aerofoil sections. The system utilises a tracking mechanism which guides a trailing edge element on a continuous arc. Surface continuity is provided by a flexible skin on the upper side and a spring loaded hinged panel on the under side. The flexible skin remains attached to the trailing edge element through a series of roller link arrangement which locate the skin in a separate guide rail. The large moment arm and therefore the increased torsional loads created due to the translational motion of the trailing edge element necessitated investigation of alternative deployment geometries. As a result two additional geometries were schemed. One had reduced radius of rotation and therefore reduced extension, while the other changed camber by drooping the aft region without any chordal extension. Since there was no aerodynamic evid.
Author : John W. Smith
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (31 download)
Download or read book Variable-camber Systems Integration and Operational Performance of the AFTI/F-111 Mission Adaptive Wing written by John W. Smith and published by . This book was released on 1992 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. H. M. Macci
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (6 download)
Download or read book Structural and Mechanical Feasibility Study of a Variable Camber Wing (VCW) for a Transport Aircraft written by S. H. M. Macci and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. H. Renken
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Integration of a Variable Wing Camber Function Into an EFCS of a Transport Aircraft written by J. H. Renken and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fouad Sabry
Publisher : One Billion Knowledgeable
ISBN 13 :
Total Pages : 322 pages
Book Rating : 4.:/5 (661 download)
Download or read book Adaptive Compliant Wing written by Fouad Sabry and published by One Billion Knowledgeable. This book was released on 2022-10-25 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: What Is Adaptive Compliant Wing A wing known as an adaptive compliant wing is one that is pliable enough to allow for some features of its form to be altered while the aircraft is in motion. The advantages of having flexible wings are many. The operation of conventional flight control devices often involves the use of hinges, which may result in interruptions to the airflow, vortices, and even, in certain instances, separation of the airflow. These factors add to the drag that the airplane experiences, which in turn leads to decreased efficiency and increased expenses for fuel. Aerofoils that are flexible have the ability to alter aerodynamic forces while causing less disturbances to the flow of air. This results in reduced aerodynamic drag, which leads to increased fuel efficiency. How You Will Benefit (I) Insights, and validations about the following topics: Chapter 1: Adaptive compliant wing Chapter 2: Wing Chapter 3: Aeroelasticity Chapter 4: Airfoil Chapter 5: Elevon Chapter 6: Aircraft flight control system Chapter 7: Elevator (aeronautics) Chapter 8: Flap (aeronautics) Chapter 9: Wing warping Chapter 10: Flaperon Chapter 11: Spoileron Chapter 12: Variable-camber wing Chapter 13: Camber (aerodynamics) Chapter 14: Boeing X-53 Active Aeroelastic Wing Chapter 15: Parker variable wing Chapter 16: Wingsail Chapter 17: Wing configuration Chapter 18: Leading-edge slat Chapter 19: Flexible wing Chapter 20: Adaptive compliant trailing edge Chapter 21: General Dynamics-Boeing AFTI/F-111A Aardvark (II) Answering the public top questions about adaptive compliant wing. (III) Real world examples for the usage of adaptive compliant wing in many fields. (IV) 17 appendices to explain, briefly, 266 emerging technologies in each industry to have 360-degree full understanding of adaptive compliant wing' technologies. Who This Book Is For Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of adaptive compliant wing.
Author : Alexander Bolonkin
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (11 download)
Download or read book Estimated Benefits of Variable-geometry Wing Camber Vontrol for Transport Aircraft written by Alexander Bolonkin and published by . This book was released on 1999 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohd Shariff Ammoo
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (593 download)
Download or read book Development of a Design Methodology for Transport Aircraft Variable Camber Flaps Suitable for Cruise and Low Speed Operations written by Mohd Shariff Ammoo and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xinguo Zhang
Publisher : Springer
ISBN 13 : 981133305X
Total Pages : 3068 pages
Book Rating : 4.8/5 (113 download)
Download or read book The Proceedings of the 2018 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2018) written by Xinguo Zhang and published by Springer. This book was released on 2019-06-08 with total page 3068 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a compilation of peer-reviewed papers from the 2018 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2018). The symposium is a common endeavour between the four national aerospace societies in China, Australia, Korea and Japan, namely, the Chinese Society of Aeronautics and Astronautics (CSAA), Royal Aeronautical Society Australian Division (RAeS Australian Division), the Korean Society for Aeronautical and Space Sciences (KSAS) and the Japan Society for Aeronautical and Space Sciences (JSASS). APISAT is an annual event initiated in 2009 to provide an opportunity for researchers and engineers from Asia-Pacific countries to discuss current and future advanced topics in aeronautical and space engineering.
Author : John W. Smith
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (317 download)
Download or read book Variable-camber Systems Integration and Operational Performance of the AFTI/F-111 Mission Adaptive Wing written by John W. Smith and published by . This book was released on 1992 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Glenn B. Gilyard
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (317 download)
Download or read book Flight Test of an Adaptive Configuration Optimization System for Transport Aircraft written by Glenn B. Gilyard and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sergio Ricci
Publisher : Butterworth-Heinemann
ISBN 13 : 0081009690
Total Pages : 970 pages
Book Rating : 4.0/5 (81 download)
Download or read book Morphing Wing Technologies written by Sergio Ricci and published by Butterworth-Heinemann. This book was released on 2017-10-27 with total page 970 pages. Available in PDF, EPUB and Kindle. Book excerpt: Morphing Wings Technologies: Large Commercial Aircraft and Civil Helicopters offers a fresh look at current research on morphing aircraft, including industry design, real manufactured prototypes and certification. This is an invaluable reference for students in the aeronautics and aerospace fields who need an introduction to the morphing discipline, as well as senior professionals seeking exposure to morphing potentialities. Practical applications of morphing devices are presented—from the challenge of conceptual design incorporating both structural and aerodynamic studies, to the most promising and potentially flyable solutions aimed at improving the performance of commercial aircraft and UAVs. Morphing aircraft are multi-role aircraft that change their external shape substantially to adapt to a changing mission environment during flight. The book consists of eight sections as well as an appendix which contains both updates on main systems evolution (skin, structure, actuator, sensor, and control systems) and a survey on the most significant achievements of integrated systems for large commercial aircraft. - Provides current worldwide status of morphing technologies, the industrial development expectations, and what is already available in terms of flying systems - Offers new perspectives on wing structure design and a new approach to general structural design - Discusses hot topics such as multifunctional materials and auxetic materials - Presents practical applications of morphing devices
Author : E. Obert
Publisher : IOS Press
ISBN 13 : 1607504073
Total Pages : 656 pages
Book Rating : 4.6/5 (75 download)
Download or read book Aerodynamic Design of Transport Aircraft written by E. Obert and published by IOS Press. This book was released on 2009-04-16 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: The origin of Aerodynamic Design of Transport Aircraft stems from the time when the author was appointed part-time professor in the Aerospace Faculty of Delft University of Technology. At the time his main activities were those of leading the departments of Aerodynamics, Performance and Preliminary Design at Fokker Aircraft Company. The groundwork for this book started in 1987 as a series of lecture notes consisting mainly of pictorial material with a minimum of English explanatory text. After the demise of Fokker in 1996 one feared that interest in aeronautical engineering would strongly diminish. As a result of this, the course was discontinued and the relationship between the author and the faculty came to an end. Two years later the situation was reappraised, and the interest in aeronautical engineering remained, so the course was reinstated with a former Fokker colleague Ronald Slingerland as lecturer. The lecture notes from these courses form the foundation of this publication.
Author : Tristan Martindale
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.:/5 (89 download)
Download or read book A First Order Model of a Variable Camber Wing for a Civil Passenger Aircraft written by Tristan Martindale and published by . This book was released on 2011 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K.J. Towell
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book S-80 Variable Camber Wing written by K.J. Towell and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
