Hypersonic Aerodynamic Characteristics of Four Series of Blunt Lifting Body and Winged Reentry Configurations PDF Download
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Category :
Languages : en
Pages : 62
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Author:
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Category :
Languages : en
Pages : 62
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Category :
Languages : en
Pages : 34
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Category :
Languages : en
Pages : 36
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Author: A. J. Eggers (Jr.)
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Category : Aerodynamics
Languages : en
Pages : 42
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Summary: The problem of designing an aircraft which will develop high lift-drag ratios in flight at high supersonic speeds is attacked using the elementary principle that the components of the aircraft should be individually and collectively arranged to impart the maximum downward and the minimum forward momentum to the surrounding air. This principle in conjunction with other practical considerations of hypersonic flight leads to the study of configurations for which the body is situated entirely below the wing; that is, flat-top wing-body combinations. Theory indicates that sensibly complete aircraft of this type can be designed to develop lift-drag ratios well in excess of 6.
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Category :
Languages : en
Pages : 48
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Category :
Languages : en
Pages : 306
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Author: Ernald B. Graves
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Category : Aerodynamics, Hypersonic
Languages : en
Pages : 29
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An investigation has been conducted at Mach numbers from 2.30 to 4.63 to determine the static aerodynamic characteristics of several configurations designed for flight at hypersonic Mach numbers. Two all-wing and three wing-body configurations were tested through an angle-of-attack range from about -4° to 33° and an angle-of-sideslip range from about -4° to 8° at a Reynolds number of 3 x 106 per foot (9.84 x 106 meter). The results of the investigation indicated that the wing-body configurations produced higher values of maximum lift-drag ratio than those produced by the all-wing models. The high-body configurations tend to have a self-trimming capability as opposed to that for the low wing-body configurations. Each of the configurations produced a positive dihedral effect that increased with increasing angle of attack and decreased with increasing Mach number. The high wing-body models produced decreasing values of directional stability with increase in angle of attack, whereas the low wing-body models provided increasing values of directional stability with increase in angle of attack.
Author: George M. Ware
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Category :
Languages : en
Pages : 80
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Author: Charles H. McLellan
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Category : Aerodynamics, Supersonic
Languages : en
Pages : 22
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A study of the factors affecting the maximum lift-drag ratio has been conducted in an effort to determine how to obtain high aerodynamic values at high supersonic Mach numbers.
Author: Gregory M. Gatlin
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Category : Hypersonic planes
Languages : en
Pages : 52
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