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The use of linearized-aerodynamics and vortex-flow methods in aircraft design /invited paper/This paper deals with selected linearized-aerodynamic and vortex-flow methods as applied to aircraft design problems at high subsonic speeds. In particular, the NASA Vortex Lattice and Modified Multhopp methods are the linearized techniques employed, and the suction analogy is used to provide estimates associated with vortex-flow aerodynamics. Many examples are given as to how researchers at Langley have used these methods to design the high subsonic, wing-mean-camber shapes for various configurations such as a supersonic transport, high-aspect-ratio transport, trapezoidal fighter wing, strake wing, tandem wing, joined wing, delta wing, and slender cranked wing. Many of these have been built, tested, and have had their data compared with theory. In addition, a technique for defining efficiently performing strake planforms for use in strake-wing combinations is discussed, and further improvements in wing design are outlined. The latter may be obtained by using higher-ordered linear panel methods as well as nonlinear-transonic methods.
Document ID
19820056759
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Lamar, J. E.
(NASA Langley Research Center Transonic Aerodynamics Div., Hampton, VA, United States)
Date Acquired
August 10, 2013
Publication Date
August 1, 1982
Subject Category
Aerodynamics
Report/Patent Number
AIAA PAPER 82-1384
Meeting Information
Meeting: Atmospheric Flight Mechanics Conference
Location: San Diego, CA
Start Date: August 9, 1982
End Date: August 11, 1982
Sponsors: American Institute of Aeronautics and Astronautics
Accession Number
82A40294
Distribution Limits
Public
Copyright
Other

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