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Finite Wing
A finite wing is an aerodynamic wing with tips that result in trailing vortices.http://www.aerospaceweb.org/question/aerodynamics/q0167.shtml This is in contrast to an infinite wing Infinite may refer to: Mathematics *Infinite set, a set that is not a finite set *Infinity, an abstract concept describing something without any limit Music *Infinite (group), a South Korean boy band *''Infinite'' (EP), debut EP of American mu .... According to John D. Anderson, Jr., finite wings experience 3-dimensional effects of airflow not experienced by infinite airfoils: downwash and induced drag. References Aircraft wing design {{aviation-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wing
A wing is a type of fin that produces lift while moving through air or some other fluid. Accordingly, wings have streamlined cross-sections that are subject to aerodynamic forces and act as airfoils. A wing's aerodynamic efficiency is expressed as its lift-to-drag ratio. The lift a wing generates at a given speed and angle of attack can be one to two orders of magnitude greater than the total drag on the wing. A high lift-to-drag ratio requires a significantly smaller thrust to propel the wings through the air at sufficient lift. Lifting structures used in water include various foils, such as hydrofoils. Hydrodynamics is the governing science, rather than aerodynamics. Applications of underwater foils occur in hydroplanes, sailboats and submarines. Etymology and usage For many centuries, the word "wing", from the Old Norse ''vængr'', referred mainly to the foremost limbs of birds (in addition to the architectural aisle). But in recent centuries the word's meaning has ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trailing Vortices
Wingtip vortices are circular patterns of rotating air left behind a wing as it generates lift.Clancy, L.J., ''Aerodynamics'', section 5.14 One wingtip vortex trails from the tip of each wing. Wingtip vortices are sometimes named ''trailing'' or ''lift-induced vortices'' because they also occur at points other than at the wing tips. Indeed, vorticity is trailed at any point on the wing where the lift varies span-wise (a fact described and quantified by the lifting-line theory); it eventually rolls up into large vortices near the wingtip, at the edge of flap devices, or at other abrupt changes in wing planform. Wingtip vortices are associated with induced drag, the imparting of downwash, and are a fundamental consequence of three-dimensional lift generation. Careful selection of wing geometry (in particular, wingspan), as well as of cruise conditions, are design and operational methods to minimize induced drag. Wingtip vortices form the primary component of wake turbulence. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Infinite Wing
Infinite may refer to: Mathematics *Infinite set, a set that is not a finite set *Infinity, an abstract concept describing something without any limit Music *Infinite (group), a South Korean boy band *''Infinite'' (EP), debut EP of American musician Haywyre, released in 2012 * ''Infinite'' (Eminem album), the debut album of American rapper Eminem, released in 1996 :* ''Infinite'' (Eminem song), the debut song of American rapper Eminem, released in 1996 * ''Infinite'' (Stratovarius album), a studio album by power metal band Stratovarius, released in 2000 * ''The Infinite'' (album), by trumpeter Dave Douglas, released in 2002 *" Infinite...", a 2004 single by Japanese singer Beni Arashiro *Infinite (Notaker song), a 2016 single by American electronic producer Notaker *Infinite (rapper), a Canadian rapper * ''Infinite'' (Sam Concepcion album), the second studio album by Filipino singer Sam Concepcion * ''Infinite'' (Deep Purple album), the twentieth studio album by Deep Purple *"In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
