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← ScienceWhich consequence results when jet engine Reynolds number increases?
A)Increased pressure recovery efficiency
B)Decreased turbulent boundary layer thickness✓
C)Increased compressor stall margin
D)Decreased laminar flow instability
💡 Explanation
Increasing Reynolds number reduces turbulent boundary layer thickness because inertial forces dominate, suppressing viscous damping via increased momentum diffusion; therefore layer thins, rather than thickening or impacting compressor airflow as viscosity influence diminishes.
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