PROJECT TITLE :
A 3-D Overbridge-Shaped Micromixer for Fast Mixing Over a Wide Range of Reynolds Numbers
This paper reports the event of a three-D passive micromixer named the overbridge-shaped micromixer (OBM), which will achieve fast mixing by profiting from the splitting, recombination, and chaotic advection mechanisms simultaneously. A theme with the splitting channels of unequal widths is proposed for tremendously enhancing the blending uniformity within the regions closing to the facet walls. The channel depth-to-width ratio is that the key issue to mixing performance. A four-unit OBM has been successfully fabricated via a multilayer polydimethylsiloxane method, and the full length of the OBM is <;two mm. Up to a 90% efficiency has been achieved among a Reynolds number (Re) range from zero.01 to 200 by numerical analysis, and the identical mixing potency was conjointly proven experimentally within a Re vary from zero.01 to 50. A high efficiency of 90percent was additionally obtained when mixing two fluids with different flow rates at the 2 inlets ranging from a ratio of 1:9 to 9:1.
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