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Module 2: Fundamentals of Microfluidic Systems

2025?m

In microfluidic channels, the fluid flow is predominantly:

(i) Turbulent
(ii) Transitional
(iii) Laminar
(iv) Inviscid

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Answer: (iii) Laminar

Microfluidic flows generally have low Reynolds numbers because channel dimensions and flow velocities are small. Therefore, viscous forces dominate inertial forces and the flow is predominantly laminar, with little turbulent mixing.

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