A Method For Designing Blended Wing Body Configurations For Low Wave Drag
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A Method for Designing Blended Wing body Configurations for Low Wave Drag
Author | : Raymond L. Barger |
Publsiher | : Unknown |
Total Pages | : 24 |
Release | : 1992 |
Genre | : Drag (Aerodynamics) |
ISBN | : NASA:31769000446032 |
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Scientific and Technical Aerospace Reports
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 702 |
Release | : 1995 |
Genre | : Aeronautics |
ISBN | : UIUC:30112048646605 |
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NASA Scientific and Technical Publications
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 134 |
Release | : 1993 |
Genre | : Aeronautics |
ISBN | : STANFORD:36105024716156 |
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Monthly Catalogue United States Public Documents
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 1070 |
Release | : 1993 |
Genre | : Government publications |
ISBN | : UIUC:30112063914854 |
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Monthly Catalog of United States Government Publications
Author | : United States. Superintendent of Documents |
Publsiher | : Unknown |
Total Pages | : 1072 |
Release | : 1993 |
Genre | : Government publications |
ISBN | : MINN:31951P004370737 |
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February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
NASA Scientific and Technical Publications A Catalog of Special Publications Reference Publications Conference Publications and Technical Papers 1991 1992
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 122 |
Release | : 1993 |
Genre | : Aeronautics |
ISBN | : NASA:31769000660368 |
Download NASA Scientific and Technical Publications A Catalog of Special Publications Reference Publications Conference Publications and Technical Papers 1991 1992 Book in PDF, Epub and Kindle
An Experimental Study of a Method of Designing the Sweptback wing Fuselage Juncture for Reducing the Drag at Transonic Speeds
Author | : Robert R. Howell |
Publsiher | : Unknown |
Total Pages | : 30 |
Release | : 1955 |
Genre | : Aerodynamics, Transonic |
ISBN | : UOM:39015086465757 |
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An investigation has been made in the Langley transonic blowdown tunnel at Mach numbers between 0.84 and 1.32 at an angle of attack of zero degrees to determine the pressure-drag reductions attainable on a sweptback-wing - fuselage configuration tested consisted of a 45 degree sweptback wing of aspect ratio 4 in combination with a fineness-ratio-6.7 body. The results indicate that the pressure drag of a practical sweptback-wing - body configuration depends on the body cross-sectional shape as well as upon the longitudinal distribution of cross-sectional area.
A Supersonic Area Rule and an Application to the Design of a Wing body Combination with High Lift drag Ratios
Author | : Richard T. Whitcomb,John R. Sevier |
Publsiher | : Unknown |
Total Pages | : 20 |
Release | : 1960 |
Genre | : Airplanes |
ISBN | : UIUC:30112106682070 |
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Summary: As an extension of the transonic area rule, a concept for interrelating the wave drags of wing-body combinations at moderate supersonic speeds with axial developments of cross-sectional area has been derived. The wave drag of a combination at a given supersonic speed is related to a number of developments of cross-sectional areas as intersected by Mach planes. On the basis of this concept and other design procedures, a structurally feasible, swept-wing--indented-body combination has been designed to have relatively high maximum lift-drag ratios over a range of transonic and moderate supersonic Mach numbers. The wing of the combination has been designed to have reduced drag associated with lift and, when used with an indented body, to have low zero-lift wave drag. Experimental results have been obtained for this configuration at Mach numbers from 0.80 to 2.01. Maximum lift-drag ratios of approximately 14 and 9 were measured at Mach numbers of 1.15 and 1.41, respectively.