Abstract
Abstract The mixing of fluids in wavy micromixer and wavy micromixer with obstacles on its side walls has been numerically investigated. The effect of frequency of wavy channel on mixing performance is studied over a range of Reynolds number from 0.1 to 45. Various performance characteristics viz. the mixing index, pressure drop, performance index, and pumping power are used to analyze the overall mixing performance. The results show that the wavy micromixer with obstacles produces better mixing performance than the wavy micromixer. Also, the mixing index is sensitive to the wavy frequency of the channel. The wavy micromixer exhibits the smallest pressure drop as compared to micromixer with obstacles in all cases.
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