Studies of the Flow Field Behind a Large Scale 47.5 Degree Sweptback Wing Having Circular-arc Airfoil Sections and Equipped with Drooped-nose and Plain Flaps PDF Download
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Author: Roy H. Lange
Publisher:
ISBN:
Category :
Languages : en
Pages : 57
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Book Description
Author: Roy H. Lange
Publisher:
ISBN:
Category :
Languages : en
Pages : 57
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Book Description
Author: Roy H. Lange
Publisher:
ISBN:
Category :
Languages : en
Pages : 72
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Book Description
Author: Stanley H. Spooner
Publisher:
ISBN:
Category :
Languages : en
Pages : 28
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Book Description
Author: Richard M. Wood
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 88
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781723082115
Category :
Languages : en
Pages : 130
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Book Description
As part of a cooperative research program between NASA, McDonnell Douglas Corporation, and Wright Research and Development Center, a flow field investigation was conducted on a 7.52 percent scale windtunnel model of an advanced fighter aircraft design. The investigation was conducted in the Langley 16 ft Transonic Tunnel at Mach numbers of 0.6, 0.9, and 1.2. Angle of attack was varied from -4 degrees to 30 degrees and the model was tested at angles of sideslip of 0, 5, and -5 degrees. Data for the over the wing flow field were obtained at four axial survey stations by the use of six 5 hole conical probes mounted on a survey mechanism. The wing leading edge primary vortex exerted the greatest influence in terms of total pressure loss on the over the wing flow field in the area surveyed. A number of vortex control devices were also investigated. They included two different apex flaps, wing leading edge vortex flaps, and small large wing fences. The vortex flap and both apex flaps were beneficial in controlling the wing leading edge primary vortex. Bare, E. Ann and Reubush, David E. and Haddad, Raymond C. Langley Research Center DELTA WINGS; FIGHTER AIRCRAFT; FLOW DISTRIBUTION; SUBSONIC SPEED; TRANSONIC SPEED; VORTEX FLAPS; WIND TUNNEL MODELS; WIND TUNNEL TESTS; ANGLE OF ATTACK; FLOW VISUALIZATION; MACH NUMBER; PRESSURE DISTRIBUTION; SIDESLIP; TRANSONIC WIND TUNNELS...
Author: William T. Evans
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 13
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Book Description
Limited flow-field surveys were made behind a large-scale thin straight wing of aspect ratio 3, both alone and in combination with a body and vertical tail. The wing section was a modified double wedge, 4.2 percent thick. The surveys were made at geometric angles of attack from 8 to 30 degrees, at a free-stream dynamic pressure of 20 pounds per square foot. The Reynolds number, based on the mean aerodynamic chord of the wing, was approximately 8,500,000.
Author: James W. Schmeer
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 42
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Book Description
An investigation was conducted in the Langley 16-foot transonic tunnel to determine the effects of leading-edge droop on the pressure distribution on a 45 degree sweptback wing with an aspect ratio of 4, a taper ratio of 0.6, and NACA 65A006 airfoil sections parallel to the plane of symmetry. The leading edge of the wing was drooped 6 degrees about the 19-percent chord line from 0.15 semispan to the wing tip. Data were obtained at Mach numbers of 0.80 to 1.03 with average Reynolds numbers of 5,700,000 to 6,300,000, respectively. The results of this investigation are compared with the pressure data obtained with the undrooped or basic wing of a previous investigation.
Author: Frank Hitchens
Publisher: Andrews UK Limited
ISBN: 1785383248
Category : Science
Languages : en
Pages : 677
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Book Description
The Encyclopedia of Aerodynamics was written for pilots at all levels from private pilot to airline pilot, military pilots and students of aerodynamics as a complete reference manual to aerodynamic terminology. General aerodynamic text books for pilots are relatively limited in their scope while aerodynamic text books for engineering students involve complex calculus. The references in this book, The Encyclopedia of Aerodynamics, are clearly described and only basic algebra is used in a few references but is completely devoid of any calculus - an advantage to many readers. Over 1400 references are included with alternative terms used where appropriate and cross-referenced throughout. The text is illustrated with 178 photographs and 96 diagrams. The Encyclopedia of Aerodynamics is an ideal aerodynamic reference manual for any pilot's bookshelf.
Author: Ira H. Abbott
Publisher: Courier Corporation
ISBN: 0486134997
Category : Technology & Engineering
Languages : en
Pages : 708
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Book Description
Concise compilation of subsonic aerodynamic characteristics of NACA wing sections, plus description of theory. 350 pages of tables.
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 78
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Book Description
