Abstract
Lab-on-a-disk systems have become popular during the past two decades by accelerating the biomedical diagnostic process and chemical reactions. Mixing performance should be attended to because of its importance in lab-on-a-disk systems. This paper investigates applying a voltage to the mixing performance in a centrifugal serpentine three-dimensional micromixer. The finite element method is used for the simulation-based COMSOL Multiphysics 5.6 program. Working fluid has the same properties as water in 298 K. The results indicate that increasing angular velocity causes mixing quality to drop until the threshold angular velocity increases. Also, it is observed that applying an electric field into the domain can improve mixing quality, and as a result, channel length decreases; hence more patterns will be placed on one disk.
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