A Study of the Aerodynamic Loads on Sweptback Wings at Transonic Speeds PDF Download
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Author: Claude V. Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
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Author: Claude V. Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
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Author: Jack F. Runckel
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 104
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Book Description
An investigation at transonic speeds of the loading over a 45 degree sweptback wing having an aspect ratio of 3, a taper ratio of 0.2, and NACA 65A004 airfoil sections has been conducted in the Langley16-foot transonic tunnel. Pressure measurements on the wing-body combination were obtained at angles of attack from 0 to 26 degrees at Mach numbers from 0.80 to 0.98 and from 0 to about 12 degrees at Mach numbers from 1.00 to 1.05. Reynolds number, based on the wing mean aerodynamic chord, varied from 7,000,000 to 8,500,000 over the test Mach number range.
Author: Don D. Davis (Jr.)
Publisher:
ISBN:
Category : Aerodynamics, Transonic
Languages : en
Pages : 22
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Author: Harold L. Robinson
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 94
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Author: Claude V. Williams
Publisher:
ISBN:
Category : Aerodynamics, Transonic
Languages : en
Pages : 92
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Author: Lawrence Duncan Guy
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 16
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Results of recent wind-tunnel investigations of the loads on external stores at transonic and supersonic speeds have shown that the most critical store loading appears to be that due to the store side force, both because of its magnitude and because the force acts in the direction of the least structural strength of the pylon. The magnitude of the side forces is determined principally by angle of attack, store position, and Mach number. Angle of attack and store positions are inextricably related since the rate of change of side force with angle of attack, which can be very large, is primarily a function of position. Also, at moderate angles of attack, the rate of increase of side-force coefficient with angle of attack for a given store position is essentially constant with Mach number. The effects of Mach number are shown principally in the values of the coefficient at small angles of attack. These values are strongly influenced by local angularities and the changes in flow behavior that occur at transonic and supersonic speeds.
Author: James W. Wiggins
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 32
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Author: Donald D. Arabian
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 54
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Author: Donald D. Arabian
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 79
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Book Description
The aerodynamic load characteristics of a wing-body combination were determined experimentally from 0.80 to 1.03 Mach number for angles of attack up to 26 degrees. Two wings, both with 30 degree sweep of the quarter-chord line, taper ratio 0.2, aspect ratio 3, and thickness of 4 percent chord, but at different types of construction, were tested. One wing was of solid steel and the other was of plastic with an inner steel core.
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 388
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