Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1998-02-20
2000-03-28
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
244201, 244204, 244213, 244 91, B64C 2306
Patent
active
060420596
ABSTRACT:
This invention relates to a system and method for reducing the primary vortex wake structure generated by a lifting body mounted on an object moving through a fluid. This is achieved by first, altering the generated initial vortex wake to make it vulnerable to rapid breakup; and, second, producing disturbances to this wake with secondary vortices from auxiliary lifting surfaces, called vortex leveraging tabs, to instigate this breakup. This invention relates to various fields of uses to include vortices generated by any type of lifting body moving through a fluid to include aircraft and watercraft, such as surface vessels and submarines.
REFERENCES:
patent: 2120760 (1938-06-01), Lumiere
patent: 2740596 (1956-04-01), Lee
patent: 3845918 (1974-11-01), White, Jr.
patent: 3881669 (1975-05-01), Lessen
patent: 4017041 (1977-04-01), Nelson
patent: 4046336 (1977-09-01), Tangler
patent: 4190219 (1980-02-01), Hackett
patent: 4477042 (1984-10-01), Griswold, II
patent: 4697769 (1987-10-01), Blackwelder et al.
patent: 5209438 (1993-05-01), Wynanski
patent: 5226618 (1993-07-01), Greenhalgh
patent: 5492289 (1996-02-01), Nosenchuck et al.
A.J. Bilanin et al., Aircraft Wake Dissipation by Sinusoidal Instability and Vortex Breakdown, American Institute of Aeronautics & Astronautics, 1973, pp. 1-11.
Delwin R. Croom et al., Low-Speed Wind-Tunnel Investigation of Span Load Alteration, Forward-Located Spoilers, and Splines as Trailing-Vortex-Hazard.
Alleviation Devices on a Transport Aircraft Model, National Aeronautics & Space Administration, 1975, pp. 2-46.
S.C. Crow, Stability Theory for a Pair of Trailing Vortices, American Institute of Aeronautics & Astronautics, vol. 8, No. 12, 1970, pp. 2172-2179.
V.R. Nikolie et al., Attenuation of Airplane Wake Vortices by Excitation of Far-Field Instability, American Institute of Aeronautics & Astronautics, Inc., vol. 93. No. 3511, 1993, pp. 876-884.
John N. Olsen et al., Aircraft Wake Turbulence and its Detection, Symposium on Aircraft Wake Turbulence, 1971, pp. 577-582.
Vernon J. Rossow, Prospects for Destructive Self-Induced Interactions in a Vortex Pair, American Institute of Aeronautics, and Astronautics Inc., vol. 24, No. 7, 1987, pp. 433-440.
Vernon J. Rossow, On the Wake Hazard Alleviation Associated With Roll Oscillations of Wake-Generating Aircraft, American Institute of Aeronautics & Astronautics, Inc., vol. 85, No. 1774, 1985.
Bilanin Alan J.
Quackenbush Todd R.
Barefoot Galen L.
Continuum Dynamics, Inc.
LandOfFree
System and method of vortex wake control using vortex leveraging does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System and method of vortex wake control using vortex leveraging, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method of vortex wake control using vortex leveraging will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1318847