- 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...
- the
birds after to take the
upwash lift
force due to the
wingtip vortices at the tip of the
wings of the lead bird. The
upwash ****ists each bird in supporting...
- have an
underwash part
behind the bird, and at the same time they have an
upwash on the outside, that
hypothetically could aid the
flight of a
trailing bird...
-
seconds Start washwater pumps Open
upwash valve slowly Open wash out
valve Wash
water for 0-10
minutes Close upwash valve Raise washwater weir Open surface...
-
operator error,
where the
pilot drops the
craft too fast
resulting in the
upwash at the
rotor hubs that can lead to
vortex ring state.
Those that are equipped...
- D., Voelkl, B., Hailes, S., Wilson, A. M., & Usherwood, J. R. (2014).
Upwash exploitation and
downwash avoidance by flap
phasing in ibis
formation flight...
-
fully movable tail, the
entire ****embly acts as a
control surface. The
upwash and
downwash ****ociated with the
generation of lift is the
source of aerodynamic...
-
these structures,
there is a net
upward deflection of
airflow (
upwash).
Localized upwash is ****ociated with
higher angles of attack,
which relates to increased...
- a bell-shaped span
loading may in fact
produce lift-induced thrust, and
upwash. He thus
suggests that
birds do not
utilise vertical stabilisers, since...
- a V
formation so that all but the
leader bird can take
advantage of the
upwash part of the
wingtip vortex of the bird ahead.
Wingtip vortices can pose...
