Flow velocity profile of micro counter-current flows

Arata Aota; Akihide Hibara; Kyosuke Shinohara; Yasuhiko Sugii; Koji Okamoto; Takehiko Kitamori

doi:10.2116/analsci.23.131

Flow velocity profile of micro counter-current flows

Arata Aota, Akihide Hibara, Kyosuke Shinohara, Yasuhiko Sugii, Koji Okamoto, Takehiko Kitamori

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Flow velocity profiles of micro counter-current flow of aqueous and butylacetate phases in a microchannel having a width of 100 μm were measured by micro particle image velocimetry. In order to analyze the hydrodynamic characteristics of the counter-current flow, we derived a simple analytical model for the velocity profile. When flow rates of the aqueous and organic phases were 0.2 and 0.1 μl/min, the model agreed well with the experimental results. Predictions about the velocity profile will contribute to estimation of the extraction efficiency in the co-current and counter-current extraction process. 2007

Original language	English
Pages (from-to)	131-133
Number of pages	3
Journal	analytical sciences
Volume	23
Issue number	2
DOIs	https://doi.org/10.2116/analsci.23.131
Publication status	Published - 2007 Feb
Externally published	Yes

ASJC Scopus subject areas

Analytical Chemistry

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10.2116/analsci.23.131

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AU - Aota, Arata

AU - Hibara, Akihide

AU - Shinohara, Kyosuke

AU - Sugii, Yasuhiko

AU - Okamoto, Koji

AU - Kitamori, Takehiko

PY - 2007/2

Y1 - 2007/2

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AB - Flow velocity profiles of micro counter-current flow of aqueous and butylacetate phases in a microchannel having a width of 100 μm were measured by micro particle image velocimetry. In order to analyze the hydrodynamic characteristics of the counter-current flow, we derived a simple analytical model for the velocity profile. When flow rates of the aqueous and organic phases were 0.2 and 0.1 μl/min, the model agreed well with the experimental results. Predictions about the velocity profile will contribute to estimation of the extraction efficiency in the co-current and counter-current extraction process. 2007

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Flow velocity profile of micro counter-current flows

Abstract

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