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← ScienceWhich risk is amplified when jet engine Reynolds number nears critical?
A)Flameout due to increased turbulence
B)Compressor stall due to laminar separation✓
C)Overcooling as boundary layer thins
D)Vibration from excessive skin friction
💡 Explanation
At critical Reynolds, adverse pressure gradients may promote boundary layer separation; laminar flow reversal causes compressor stall. Therefore, blade aerodynamics are degraded rather than boundary layers becoming thinner, because stall is a mechanism due to flow dynamics.
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