Saravanakumar, Sri Manikandan; Jamshidi Seresht, Mohsen; Izquierdo, Ricardo et Cicek, Paul-Vahé
(2024).
« A Novel DC Electroosmotic Micromixer Based on Helical Vortices ».
Actuators, 13(4), pp. 139-153.
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Résumé
This work introduces a novel direct current electroosmosis (DCEO) micromixer designed for rapid and efficient fluid mixing. This micromixer demonstrates excellent capability, achieving approximately 98.5% mixing efficiency within a one-second timespan and 99.8% efficiency within two seconds, all within a simple channel of only 1000 µm in length. A distinctive feature of this micromixer is its ability to generate robust and stable helical vortices by applying a controlled DC electric field. Unlike complex, intricate microfluidic designs, this work proposes a simple yet effective approach to fluid mixing, making it a versatile tool suitable for various applications. In addition, through simple modifications to the driving signal configuration and channel geometry, the mixing efficiency can be further enhanced to 99.3% in one second.
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