downwash - Definition. Was ist downwash
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Was (wer) ist downwash - definition

DOWNWARD MOVEMENT IN FLUID DYNAMICS
Upwash; Induced flow
  • The effect of downwash from a hovering [[Sikorsky Seahawk]] is clearly visible on the surface of water below.

downwash         
¦ noun the downward deflection of an airstream by a wing or rotor blade.
Downwash         
In aeronautics, downwash is the change in direction of air deflected by the aerodynamic action of an airfoil, wing, or helicopter rotor blade in motion, as part of the process of producing lift.Crane, Dale: Dictionary of Aeronautical Terms, third edition, page 172.

Wikipedia

Downwash

In aeronautics, downwash is the change in direction of air deflected by the aerodynamic action of an airfoil, wing, or helicopter rotor blade in motion, as part of the process of producing lift. In helicopter aerodynamics discussions, it may be referred to as induced flow.

Lift on an airfoil is an example of the application of Newton's third law of motion – the force required to deflect the air in the downwards direction is equal in magnitude and opposite in direction to the lift force on the airfoil. Lift on an airfoil is also an example of the Kutta-Joukowski theorem. The Kutta condition explains the existence of downwash at the trailing edge of the wing.

Beispiele aus Textkorpus für downwash
1. Defence sources said an official incident report clearly ruled out suggestions that downwash from its blades triggered another mine.
2. The situation was so dangerous that most would–be volunteers were kept out of the area, and a no–fly zone was established over the site because of fears that helicopters‘ downwash could set off a fresh landslide.