Numerical study on an electroosmotic micromixer with rhombic structure

In this article, we designed a rhombic electroosmotic micromixer (REM). REM uses the principles of convergence and divergence in combination with microelectrodes to improve mixing efficiency. We improved the mixing efficiency by changing the rhombic angle and the combination of different rhombic ele...

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Bibliographic Details
Published in:Journal of dispersion science and technology 2021-07, Vol.42 (9), p.1331-1337
Main Authors: Xiong, Siyue, Chen, Xueye, Chen, Hongfei, Chen, Ye, Zhang, Wenjiao
Format: Article
Language:English
Subjects:
Divergence
Efficiency
Electric potential
electroosmotic micromixer
Fluid flow
Microelectrodes
mixing efficiency
Reynolds number
rhombic angles
Rhombic units
Voltage
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Summary:In this article, we designed a rhombic electroosmotic micromixer (REM). REM uses the principles of convergence and divergence in combination with microelectrodes to improve mixing efficiency. We improved the mixing efficiency by changing the rhombic angle and the combination of different rhombic elements. Then, the effects of electrode voltage, electrode configuration, Reynolds number, and AC frequency on the mixing performance were studied. The results show that the mixing efficiency of REM can exceed 99% when an asymmetric potential difference is applied in the channel, the AC voltage is 10 V and the electroosmotic micromixer has two sets of rhombic units.
ISSN:0193-2691
1532-2351
DOI:10.1080/01932691.2020.1748644