 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|  T-45A/C TS, ADV & IUT Aero-02
High-Speed Flight
(b) Higher critical Mach number than
straight wing of same planform
e.
Reduce wave drag and help reduce tuck-under
tendencies
f.
Small leading edge radius
(1) Allows bow wave to move in closer to
leading edge or become attached to it
(2) Deflects airstream less than a large radius
leading edge, resulting in a weaker oblique
compression wave; this reduces drag of
bow wave
g.
Point of maximum thickness is at 35-40% or
more of the chord length instead of 25% on a
conventional airfoil
(1) Helps reduce the pitching moment
associated with shock wave formation and
tuck under tendencies
2.
Area rule
Sg 2, fr 8
Fig 7: Area Rule
a.
Minimizes drag of airplane if the distribution of
its cross-sectional area (wings, fuselage, etc.) is
made as smooth as possible
b.
Dictates reduction of cross-sectional area of the
fuselage in the region of the wing and tail to
compensate for the additional cross-sectional
area of these surfaces
c.
At supersonic speeds, continues to provide
benefits
Page 2-14
(9-99) Original
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals