Lift/Drag and Wake Turbulence Flashcards

1
Q

The use of flaps will ___ the L/D ratio

A

reduce

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2
Q

A lower span loading will give a ___ L/D ratio

A

higher

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3
Q

Tapered wings produce ___ vortices

A

smaller

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4
Q

Within ground effect, the same lift can be obtained at a ___ AoA, decreasing the total drag

A

lower

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5
Q

The L/D ratio for the aircraft ___ when producing a given lift in ground effect

A

increase

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6
Q

Vortex Intensity =

A

( Aircraft Weight x Load Factor ) / ( TAS x Wingspan x Air Density ) x Constant

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7
Q

Vortex Length of Life =

A

( Wingspan^2 / Vortex Intensity ) x Constant

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8
Q

Kreuger flaps are generally found ___

A

along the leading edge near the wing root

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9
Q

|n ground effect, the Cl is ___ and the Cdi is ___ for a given AoA

A

increased, decreased

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10
Q

At a given AoA within ground effect, the Cl is ___

A

increased

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11
Q

In ground effect, for a given amount of lift the AoA is ___

A

decreased

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12
Q

In ground effect the Clmax is ___ as the Clmax outside of ground effect, but is reached at a ___ AoA

A

the same as, lower

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13
Q

Increasing density will ___ the lift/drag ratio

A

not change

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14
Q

The lift/drag ratio reaches its maximum value at ___

A

the peak of the lift/drag curve

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