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← ScienceWhich outcome occurs when a subsonic aircraft's boundary layer undergoes transition?
A)Increased skin friction and drag✓
B)Reduced pressure gradient magnitude
C)Laminar flow total stabilization
D)Delayed turbulence inception
💡 Explanation
Transition from laminar to turbulent flow increases skin friction because of increased momentum transfer within the boundary layer due to random, swirling eddies associated with turbulence. Therefore, drag increases rather than decreases or being stabilized, as altered velocity gradients take form because of instability.
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