Journal of the Korean Society of Visualization (한국가시화정보학회지)

The Korean Society of Visualization (한국가시화정보학회)
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Enhancement of Mixing Performance in Viscous Liquid Using an Electromagnetically Driven Microrobot

초소형 로봇을 이용한 점도성 유체의 혼합 효율 향상

  • Song, Hyeonseok (Department of Mechanical Engineering, Myongji University) ;
  • Park, Yuna (Department of Mechanical Engineering, Myongji University) ;
  • Chung, Sang Kug (Department of Mechanical Engineering, Myongji University)
  • Received : 2018.08.01
  • Accepted : 2018.08.29
  • Published : 2018.08.31
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Abstract

This paper presents an electromagnetically driven microrobot for the enhancement of mixing performance in high viscous liquid media such as blood and bone marrow. First, an electromagnetic system was fabricated, and the magnetic flux density generated from the system was compared with the theoretical value. Second, the reciprocating motion of the microrobot was demonstrated in microchannel using electromagnetic system. As a proof of concept, the mixing performance by the electromagnetically driven microrobot in high viscous liquid was investigated using safranin solution. As a result, it was completely mixed within 140 s with the reciprocating motion of the microrobot while it took 1680 s for natural diffusion. In addition, the mixing efficiency was quantitatively evaluated through a mixing index obtained by an image analysis. The proposed method provides not only wireless actuation of a microrobot with a simple design but also high mixing performance in variety of high viscous liquid media.

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References

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