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← ScienceWhich outcome occurs closer to an aircraft wing surface when airspeed nears critical turbulence?
A)Boundary layer separation increases drastically✓
B)Laminar flow becomes proportionately thicker
C)Pressure gradient remains consistently negative
D)Skin friction drag decreases insignificantly
💡 Explanation
Boundary layer separation increases greatly with increasing turbulence due to adverse pressure gradients induced by flow instability. Increased surface roughness then intensifies the unstable flow; Therefore, boundary layer separation increases rather than remaining stable because energy dissipates quickly in the turbulent boundary layer.
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