492
P. Liu
Fig. 7.57 B747-8 (supercritical wing)
Fig. 7.58 Large passenger aircraft family (takeoff configuration)
the maximum relative thickness of the airfoil by 2–5%. The use of a thicker
airfoil can increase the wing aspect ratio by 2.5–3.0, or reduce the wing sweep
angle by about 5–10 degrees while maintaining the drag divergence Mach
number.