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← ScienceWhich risk increases when a high Reynolds number forces turbulent flow in a prolonged microchannel?
A)Increased mixing and reaction rates
B)Enhanced fluid-wall adhesion strength
C)Greater concentration polarization occurs✓
D)Diminished interfacial energy gradients
💡 Explanation
Concentration polarization will occur, because turbulent flow increases the transport of solutes to the channel wall, exceeding the diffusion rate described by Fick's law causing buildup; therefore polarization intensifies rather than uniform transfer due to laminar conditions.
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