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← ScienceWhich consequence results when a supersonic aircraft's wing experiences sudden ice crystal formation?
A)Increased parasitic drag coefficient✓
B)Enhanced boundary layer adhesion
C)Augmented shockwave compression ratio
D)Improved laminar flow stability
💡 Explanation
Parasitic drag increases because crystal formation induces surface roughness; this drives premature turbulent transition via boundary layer separation induced by adverse pressure gradient effects. Therefore drag raises acutely, rather than pressure rising or flow being more laminar, which smooths the aerodynamics.
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