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Examines micromixing efficiency in microchannels, suggesting geometry significantly improves mixing.
• Height-variable micropillar arrays enable passive mixing at low Reynolds numbers • Asymmetric pillar height profiles enhance transverse transport and interface stretching • Near-complete mixing achieved without external actuation in compact microchannels • Mixing performance quantified using efficiency, enhancement ratio, and flow-based index • Experiments and simulations validate geometry-driven process intensification strategies
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Bakare et al. (2026) studied this question.
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