upwash

upwash
a) upward air turbulence caused by a propeller or jet
b) The upward motion of air as a result of eddies behind a wing or chimney etc

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  • Upwash — i. The upward movement of air ahead of the leading edge of a subsonic wing, giving a positive lift. ii. The upward movement of air around the outside of the trailing vortex behind a wing, giving a positive lift. This upwash usually curves over to …   Aviation dictionary

  • upwash — ˈ ̷ ̷ˌ ̷ ̷ noun Etymology: up (II) + wash : the upward flow of air directly ahead of the leading edge of a moving airfoil …   Useful english dictionary

  • Wingtip vortices — are tubes of circulating air which are left behind by the wing as it generates lift. One wingtip vortex trails from the tip of each wing. The cores of vortices spin at very high speed and they are regions of very low pressure. The cores of… …   Wikipedia

  • V formation — A V formation (sometimes called a skein) is the symmetric V shaped flight formation of flights of geese, ducks and other migratory birds. V formations are also used on military flight missions.AerodynamicsFlying in a V formation aids the birds in …   Wikipedia

  • Lift (force) — For other uses, see Lift. Boeing 747 8F landing A fluid flowing past the surface of a body exerts a surface force on it. Lift is the component of this force that is perpendicular to the …   Wikipedia

  • H1 (Fernsehen) — Senderlogo Allgemeine Informationen Empfang: Kabel, IPT …   Deutsch Wikipedia

  • очистка (фильтра) обратной промывкой, взрыхляющая промывка — — [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом EN upwash cleaning …   Справочник технического переводчика

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