Investigation of the Effects of Leading-edge Chord-extensions and Fences in Combination with Leading-edge Flaps on the Aerodynamic Characteristics at Mach Numbers of 0.40 to 0.93 of a 45© Sweptback Wing of Aspect Ratio 4 PDF Download
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Author: Kenneth P. Spreemann
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 56
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Book Description
Author: Kenneth P. Spreemann
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 56
Get Book Here
Book Description
Author: Kenneth P. Spreemann
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 644
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Book Description
This investigation was made to determine the effects of 6 degree full-span and 3 degree partial-span leading-edge flaps in combination with chord-extensions or fences on the aerodynamic characteristics of a wing-fuselage configuration with a 45 degree sweptback wing of aspect ratio 4, taper ratio 0.3, and NACA 65A006 airfoil sections. The investigation was made in the Langley high-speed 7- by 10-foot tunnel over a Mach number range of 0.40 to 0.93 and an angle-of-attack range of about -2 degrees to 24 degrees. Lift, drag, and pitching-moment data were obtained for all configurations. From overall considerations of stability and performance it appears that with the model of this investigation the 6 degree full-span leading-edge flaps in combination with the chord-extension over the outboard 35 percent of the span, with or without leading-edge camber, would be the most desirable configuration.
Author: Kenneth P. Spreemann
Publisher:
ISBN:
Category :
Languages : en
Pages : 46
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Book Description
Author: Holt Ashley
Publisher: Courier Corporation
ISBN: 0486648990
Category : Technology & Engineering
Languages : en
Pages : 306
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Book Description
This excellent, innovative reference offers a wealth of useful information and a solid background in the fundamentals of aerodynamics. Fluid mechanics, constant density inviscid flow, singular perturbation problems, viscosity, thin-wing and slender body theories, drag minimalization, and other essentials are addressed in a lively, literate manner and accompanied by diagrams.
Author: Thomas L. Fischetti
Publisher:
ISBN:
Category : Aerodynamics, Transonic
Languages : en
Pages : 24
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Book Description
Author: Gregory N. Brown
Publisher:
ISBN: 9781560276234
Category : Aircraft gas-turbines
Languages : en
Pages : 0
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Book Description
Covering all the essentials of turbine aircraft, this guide will prepare readers for a turbine aircraft interview, commuter ground school, or a new jet job.
Author: Florian Holzapfel
Publisher: Springer Science & Business Media
ISBN: 3642198171
Category : Technology & Engineering
Languages : en
Pages : 465
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Book Description
Over the last few decades, both the aeronautics and space disciplines have greatly influenced advances in controls, sensors, data fusion and navigation. Many of those achievements that made the word “aerospace” synonymous with “high–tech” were enabled by innovations in guidance, navigation and control. Europe has seen a strong trans-national consolidation process in aerospace over the last few decades. Most of the visible products, like commercial aircraft, fighters, helicopters, satellites, launchers or missiles, are not made by a single country – they are the fruits of cooperation. No European country by itself hosts a specialized guidance, navigation and controls community large enough to cover the whole spectrum of disciplines. However, on a European scale, mutual exchange of ideas, concepts and solutions is enriching for all. The 1st CEAS Specialist Conference on Guidance, Navigation and Control is an attempt to bring this community together. This book is a selection of papers presented at the conference. All submitted papers have gone through a formal review process in compliance with good journal practices. The best papers have been recommended by the reviewers to be published in this book.
Author: Ahmed F. El-Sayed
Publisher: Springer
ISBN: 1447167961
Category : Technology & Engineering
Languages : en
Pages : 1025
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Book Description
This book provides a comprehensive basics-to-advanced course in an aero-thermal science vital to the design of engines for either type of craft. The text classifies engines powering aircraft and single/multi-stage rockets, and derives performance parameters for both from basic aerodynamics and thermodynamics laws. Each type of engine is analyzed for optimum performance goals, and mission-appropriate engines selection is explained. Fundamentals of Aircraft and Rocket Propulsion provides information about and analyses of: thermodynamic cycles of shaft engines (piston, turboprop, turboshaft and propfan); jet engines (pulsejet, pulse detonation engine, ramjet, scramjet, turbojet and turbofan); chemical and non-chemical rocket engines; conceptual design of modular rocket engines (combustor, nozzle and turbopumps); and conceptual design of different modules of aero-engines in their design and off-design state. Aimed at graduate and final-year undergraduate students, this textbook provides a thorough grounding in the history and classification of both aircraft and rocket engines, important design features of all the engines detailed, and particular consideration of special aircraft such as unmanned aerial and short/vertical takeoff and landing aircraft. End-of-chapter exercises make this a valuable student resource, and the provision of a downloadable solutions manual will be of further benefit for course instructors.
Author: Charles F. Whitcomb
Publisher:
ISBN:
Category : Aerodynamics, Transonic
Languages : en
Pages : 34
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Book Description
An investigation of the effects of several wing leading-edge modifications on the aerodynamic characteristics of a 45 degree swept-wing fighter-airplane model has been conducted in the Langley 16-foot transonic tunnel at low and high lifting conditions at Mach numbers from 0.85 to 1.03. The investigation included the determination of the effect on longitudinal stability and performance characteristics of wing leading-edge and chord-extension droops of 6 and 20 degrees, chord-extension overhangs of 0.075c and 0.15c (where c is the wing chord), leading-edge notches cut out at the inboard end of the 0.075c chord-extension to depths of 0.075c and 0.125c, and indentation of the model fuselage to conform partially to the supersonic area rule for a Mach number of 1.20. Lift, drag, and pitching-moment data were obtained for configurations with the tail on and off. Comparisons of data obtained from the present model with data from a configuration with leading-edge slats are included.
Author: Denis Howe
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 632
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Book Description
In this latest contribution to the conceptual design of an aircraft Denis Howe presents comprehensive coverage of all aspects of loading action analysis, together with the logical extension to the conceptual design of the airframe. He thereby meets two perceived needs which are not currently addressed by existing aircraft design texts, where loading analysis tends to be dealt with somewhat superficially, treating only the basic symmetric flight envelope, and where structural analysis often assumes that a certain level of design detail has already been established. Graduate and post-graduate level aeronautical students will welcome the approach offered by Aircraft Loading and Structural Layout. Practising engineers in the aircraft industry will find a useful loading action reference, providing a simple method for the derivation of initial structural data for input to advance analysis programs and the interpretation of the output from them.
