Lift/Drag and Wake Turbulence Flashcards
The use of flaps will ___ the L/D ratio
reduce
A lower span loading will give a ___ L/D ratio
higher
Tapered wings produce ___ vortices
smaller
Within ground effect, the same lift can be obtained at a ___ AoA, decreasing the total drag
lower
The L/D ratio for the aircraft ___ when producing a given lift in ground effect
increase
Vortex Intensity =
( Aircraft Weight x Load Factor ) / ( TAS x Wingspan x Air Density ) x Constant
Vortex Length of Life =
( Wingspan^2 / Vortex Intensity ) x Constant
Kreuger flaps are generally found ___
along the leading edge near the wing root
|n ground effect, the Cl is ___ and the Cdi is ___ for a given AoA
increased, decreased
At a given AoA within ground effect, the Cl is ___
increased
In ground effect, for a given amount of lift the AoA is ___
decreased
In ground effect the Clmax is ___ as the Clmax outside of ground effect, but is reached at a ___ AoA
the same as, lower
Increasing density will ___ the lift/drag ratio
not change
The lift/drag ratio reaches its maximum value at ___
the peak of the lift/drag curve