Traducción y análisis de palabras por inteligencia artificial ChatGPT
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- frecuencia de uso
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- etimología
bound vortex - traducción al ruso
.svg?width=200 "A horseshoe vortex caused by a (purely theoretical) uniform lift distribution over an aircraft’s wing. The starting vortex is also shown.")
![Any spanwise change in lift distribution sheds a trailing vortex, according to the [[lifting-line theory]]. The starting vortex is also shown.](https://commons.wikimedia.org/wiki/Special:FilePath/Aircraft wing lift distribution showing trailing vortices (2).svg?width=200 "Any spanwise change in lift distribution sheds a trailing vortex, according to the [[lifting-line theory]]. The starting vortex is also shown.")
.svg?width=200 "A realistic lift distribution causes the shedding of a complex vorticity pattern behind the aircraft.")
математика
присоединенный вихрь
![The curved arrows indicate airflow circulation about the rotor disc. The helicopter shown is the [[RAH-66 Comanche]].](https://commons.wikimedia.org/wiki/Special:FilePath/Vortex ring helicopter.jpg?width=200 "The curved arrows indicate airflow circulation about the rotor disc. The helicopter shown is the [[RAH-66 Comanche]].")
общая лексика
вихревое кольцо
![Visualisation]] of the vortex street behind a circular cylinder in air; the flow is made visible through release of glycerol vapour in the air near the cylinder](https://commons.wikimedia.org/wiki/Special:FilePath/Karmansche Wirbelstr kleine Re.JPG?width=200 "Visualisation]] of the vortex street behind a circular cylinder in air; the flow is made visible through release of glycerol vapour in the air near the cylinder")
![strakes]] fitted to break up vortices](https://commons.wikimedia.org/wiki/Special:FilePath/Proserpine Mill - January 2012.jpg?width=200 "strakes]] fitted to break up vortices")
![A look at the Kármán vortex street effect from ground level, as air flows quickly from the [[Pacific ocean]] eastward over [[Mojave desert]] mountains. This phenomenon observed from ground level is extremely rare, as most cloud-related Kármán vortex street activity is viewed from space.](https://commons.wikimedia.org/wiki/Special:FilePath/Whirpool Clouds.jpg?width=200 "A look at the Kármán vortex street effect from ground level, as air flows quickly from the [[Pacific ocean]] eastward over [[Mojave desert]] mountains. This phenomenon observed from ground level is extremely rare, as most cloud-related Kármán vortex street activity is viewed from space.")
общая лексика
вихревая дорожка
Definición
Wikipedia
.svg?width=120)
The horseshoe vortex model is a simplified representation of the vortex system present in the flow of air around a wing. This vortex system is modelled by the bound vortex (bound to the wing) and two trailing vortices, therefore having a shape vaguely reminiscent of a horseshoe. A starting vortex is shed as the wing begins to move through the fluid, which dissipates under the action of viscosity, as do the trailing vortices far behind the aircraft.
The downwash is associated with induced drag and is a component of the system of trailing vortices.
The horseshoe vortex model is unrealistic in that it implies uniform circulation (and hence, according to the Kutta–Joukowski theorem, uniform lift) at all sections on the wingspan. In a more realistic model, the lifting-line theory, the vortex strength varies along the wingspan, and the loss in vortex strength is shed as a vortex sheet all along the trailing edge, rather than as a single trail at the wing-tips. Nevertheless, the simpler horseshoe vortex model used with a reduced effective wingspan but same mid-plane circulation provides an adequate model for the flows induced far from the aircraft.
The term horseshoe vortex is also used in wind engineering to describe the flow pattern created by strong winds around the base of a tall building. This effect is amplified by the presence of a low-rise building just upwind. This effect was studied at the UK Building Research Establishment between 1963 and 1973 and the cause of the effect is described in contemporary wind engineering text books.
In hydrodynamics, a form of horseshoe vortex forms around bluff bodies in the flowing water, for instance around bridge piers. They can cause scouring of bed materials from both upstream and downstream of the pier.
In nature, a horseshoe vortex can cause a horseshoe cloud to form.
