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← ScienceWhich consequence results when frictional effects deviate airflow calculations from Euler's equation?
A)Entropy decreases within laminar streamlines
B)Boundary layer separation is enhanced✓
C)Navier-Stokes solutions become time-invariant
D)Fluid viscosity asymptotically approaches zero
💡 Explanation
Boundary layer separation increases fluid drag due to viscous forces overcoming momentum near the surface; momentum dissipation occurs because the adverse pressure gradients grow, enabling turbulent backflow rather than remaining attached, and so delaying stall events instead.
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