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← ScienceWhich flow characteristic appears as fluid velocity increases, raising Reynolds number in a microfluidic channel?
A)Onset of turbulent flow✓
B)Decreased pressure drop occurs
C)Laminar viscosity independently increases
D)Fluid density becomes negligible
💡 Explanation
Turbulent flow occurs when the Reynolds number exceeds a threshold because inertial forces become dominant, triggering chaotic motion rather than simple parallel streamlines. Therefore, turbulence appears, rather than laminar remaining or properties altering themselves independently.
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