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← ScienceWhich outcome results when excessive fluid velocity surpasses design thresholds in a microfluidic device?
A)Increased mixing and chaotic advection✓
B)Minimized surface tension effects observed
C)Decreased fluidic resistance dramatically
D)Improved fluidic laminar flow linearity
💡 Explanation
Increased chaotic advection occurs due to turbulent flow. When velocity exceeds the designed limit, inertial forces dominate, triggering the Kelvin-Helmholtz instability; therefore, the mixing is maximized, rather than laminar flow, since the regime changes to the turbulent.
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