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Quantitative evaluation of mass transfer near the edge of porous media by absorption photometry

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タイトル: Quantitative evaluation of mass transfer near the edge of porous media by absorption photometry
著者: Tanikoshi, Taiki 著作を一覧する
Otomo, Ryoko 著作を一覧する
Harada, Shusaku 著作を一覧する
キーワード: porous media
light absorption photometry
convection flow
solid-liquid interface
Rayleigh-Taylor instability
発行日: 2017年 2月
出版者: Wiley-Blackwell
誌名: AIChE journal
巻: 63
号: 2
開始ページ: 823
終了ページ: 833
出版社 DOI: 10.1002/aic.15397
抄録: The intensive investigation of mass transfer near the entrance (edge) of porous media by quantification of the surrounding concentration field has been performed. We have adopted a noninvasive and real-time system based on light absorption photometry for measurement of the concentration field in a quasi-two dimensional cell. This system is, in principle, applicable to the measurement of various substances due to the generality of light absorption. This measurement system was applied to a simple model of the gravity-driven transport of a substance in a fluid near the edge of a porous medium in the presence of a reaction at the surface. The temporal variation of the complicated concentration field is appropriately captured with a spatial resolution of several tens of micrometers to millimeters. Quantitative analyses revealed that the geometry of the porous edge considerably affects the convection flow and invasion of substances into the medium.
Rights: This is the peer reviewed version of the following article: AIChE Journal 63(2) Feb 2017 pp.823-833, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/aic.15397/full. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/68243
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 原田 周作

 

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