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← ScienceWhich outcome occurs when water flow exceeds the design Reynolds number within a microfluidic mixing channel?
A)Mixing increases via turbulent diffusion✓
B)Flow becomes purely laminar again
C)Viscosity rises dramatically, arresting movement
D)Channel walls experience rapid material erosion
💡 Explanation
When Reynolds number escalates beyond a threshold, laminar flow transitions to turbulent flow via increased inertial forces. This transition produces turbulent diffusion enhanced mixing. Therefore efficient small-scale mixing occurs, rather than stable laminar flow or channel degradation.
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