Drag of a Laser Trapped Fine Particle in a Microregion
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概要
- 論文の詳細を見る
To observe hydrodynamics in microregions, we applied laser scanning manipulation to measure the drag acting on a fine glass bead moving in mineral oil sandwiched between two glass plates(the thickness of the oil layer was a 33 and 64μm).We measured the maximum velocity, V_M of a laser trapped bead at which the bead was released.This allowed us to quantitatively determine the drag, the drag coefficient, C_D, and the Reynolds number, R, of the particle in the microregion of a viscous fluid.As a result, the minimum C_DR was obtained midway between the two glass plates, and the C_DR increased closer to the walls.Also, the distribution on C_DR was in good agreement with the values calculated using the equation for wall effect in macroregions(over 0.1mm).
- 社団法人応用物理学会の論文
- 2000-04-15
著者
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MISAWA Hiroaki
Department of Ecosystem Engineering, Graduate School of Engineering, The University of Tokushima
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MIWA Masafumi
Department of Ecosystem Engineering, Graduate School of Engineering, The University of Tokushima
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JUODKAZIS Saulius
Satellite Venture Business Laboratory, The University of Tokushima
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Miwa Masafumi
Department Of Mechanical Engineering Faculty Of Engineering The University Of Tokushima:(present Add
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Miwa M
Univ. Tokushima Tokushima Jpn
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Misawa H
Research Institute For Electronic Science Hokkaido University
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Juodkazis Saulius
Satellite Venture Business Laboratory The University Of Tokushima
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Miwa Masafumi
Department Of Ecosystem Engineering Graduate School Of Engineering The University Of Tokushima
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Misawa Hiroaki
Department Of Ecosystem Engineering Graduate School Of Engineering The University Of Tokushima
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Misawa Hiroaki
Department Of Chemistry University Of Tsukuba
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