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← ScienceWhich outcome results when the impeller speed of a stirred chemical reactor exceeds the Reynolds number threshold?
A)Transition to turbulent flow regime✓
B)Increased laminar flow characteristics prevail
C)Pressure drop increases linearly scaling up
D)Uniform concentration gradients are strictly preserved
💡 Explanation
Exceeding the Reynolds number promotes turbulent flow, because inertial forces dominate viscous forces; therefore, mixing increases substantially rather than ordered velocity profiles appearing, because that reflects only more viscous regimes.
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