B22-035 PARTICLE TRACKING VELOCIMETRY MEASUREMENT OF CHAOTIC MIXING IN A MICRO MIXER
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概要
- 論文の詳細を見る
Mixing of magnetic beads and bio-molecules becomes critically important in a micro-scale cell sorting system. Particle tracking velocimetry (PTV) has been employed to examine the motion of magnetic beads in a model chaotic micro-mixer. The measured trajectories of beads show good agreement with the numerical simulation previously reported [5], which has predicted the onset of chaos. The bead trajectory is reconstructed from the phase-averaged velocity field of beads to estimate the Lyapunov exponent. The optimum frequency of applied control signal exists in the range of the Strouhal number of 5<St<12,which is also in accordance with the numerical simulation. The present method of estimating the Lypaunov can be used to determine the performance of the mixing device for micro particles and large molecules.
- 一般社団法人日本機械学会の論文
- 2003-11-30
著者
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Ho Chih
Department Of Mechanical And Aerospace Engineering University Of California Los Angeles
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Ho Chih
Department Of Mechanical And Aerospace Engineering University Of California
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Ho Chih
Department Of Mechanical And Aerospace Engineering
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KASAGI Nobuhide
Department of Mechanical Engineering, The University of Tokyo
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Nakano Masanori
Department Of Functional Oral Care And Welfare Institute Of Health Biosciences The University Of Tok
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Nakano Masanori
Department Of Mechanical Engineering The University Of Tokyo
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SUZUKI Hiroaki
Institute of Industrial Science The University of Tokyo
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Kasagi Nobuhide
Department Of Mechanical Engineering The University Of Tokyo
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