Virtual vortex gear: Experimental study of 3D flow patterns

Toshio Takayama*, Takayuki Akai, Yuta Simozyo, Chia Hung Dylan Tsai, Makoto Kaneko

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Virtual vortex gear is a sequentially introduced vortex flow on a microfluidic chip. The directions of every two closed-by vortices are opposite to each other, which is similar to a set of gears, and thus, is named 'virtual vortex gear'. In this work, we proposed an experimental method to investigate the 3D flow patterns of the vortices. By adjusting the focal plane of the objective lens in a microscope, we can directly observe the flow of the vortices at different layers. We found the flow-pattern are very different from layer to layer, and spiral flows across layers were observed inside the vortex. Computational simulations were performed for comparison, and the results well match to the experimental results. A possible flow mechanism is proposed based on the analysis. Finally, virtual vortex gear has been tested with red blood cells for the feasibility of mixing particles with celllevel size.

Original languageEnglish
Title of host publication2017 IEEE International Conference on Cyborg and Bionic Systems, CBS 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages56-59
Number of pages4
ISBN (Electronic)9781538631942
DOIs
StatePublished - 2 Jul 2017
Event2017 IEEE International Conference on Cyborg and Bionic Systems, CBS 2017 - Beijing, China
Duration: 17 Oct 201719 Oct 2017

Publication series

Name2017 IEEE International Conference on Cyborg and Bionic Systems, CBS 2017
Volume2018-January

Conference

Conference2017 IEEE International Conference on Cyborg and Bionic Systems, CBS 2017
CountryChina
CityBeijing
Period17/10/1719/10/17

Keywords

  • 3D Flow Pattern
  • microfluidics
  • Virtual vortex gear

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    Takayama, T., Akai, T., Simozyo, Y., Tsai, C. H. D., & Kaneko, M. (2017). Virtual vortex gear: Experimental study of 3D flow patterns. In 2017 IEEE International Conference on Cyborg and Bionic Systems, CBS 2017 (pp. 56-59). (2017 IEEE International Conference on Cyborg and Bionic Systems, CBS 2017; Vol. 2018-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CBS.2017.8266066