Paper:
Analysis of Swimming Properties and Design of Spiral-Type Magnetic Micromachine
Masahiko Sendoh*, Noriyuki Ajiro*, Kazushi Ishiyama*, Mitsuteru Inoue**, Toshiyuki Hayase*** and Ken Ichi Arai*
*Research and Institute of Electrical Communication, Tohoku University, 2-2-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
**Department of Electrical and Electronic Engineering, Toyohasi University of Technology, Toyohashi, Aichi 441-8580, Japan
***Institute of Fluid Science, Tohoku University, 2-2-1, Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
The swimming properties of spiral-type magnetic micromachines were analyzed theoretically by 2-dimensional finite volume. Good agreement between experimental and theoretical results was obtained. Swimming properties of micromachines depend strongly on the operational environment, including the flow field and machine structure. We analyzed the effect of machine shape on swimming properties. The optimum design of the blade shape was obtained by simulation. Based on optimum design, the micromachine was fabricated by stereolithography. Machine swimming agreed well with results.
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