Modeling water imbibition into coated and uncoated papers

Behzad Ghanbarian; Hamed Aslannejad; Amir Raoof

doi:10.1016/j.ces.2018.05.051

Modeling water imbibition into coated and uncoated papers

Behzad Ghanbarian^*, Hamed Aslannejad, Amir Raoof

^*Corresponding author for this work

Kansas State University

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

Abstract

Modeling morphological and hydraulic properties of thin porous media, such as filter layers and papers is highly relevant to various industries. In our previous studies, the X-ray tomography and FIB-SEM methods were applied to capture micro- and nano-scale pores in uncoated paper and coated layer, respectively. Here, the reconstructed pore structures were used to investigate two-phase water imbibition in these porous media. The obtained pore size distributions showed a log-normal probability density function. Such a distribution, together with concepts from critical path analysis and percolation theory, was applied to calculate relative permeability over a wide range of water saturations. Comparison with pore-scale numerical simulations showed the capability of this method to estimate water relative permeability for coated and uncoated papers.

Original language	English
Pages (from-to)	33-42
Number of pages	10
Journal	Chemical Engineering Science
Volume	189
DOIs	https://doi.org/10.1016/j.ces.2018.05.051
Publication status	Published - 2 Nov 2018

Funding

BG is grateful to Kansas State University for supports through faculty startup funds. HA would like to thank for supports received from Océ-Technologies B.V. and European Research Council ( ERC ) under the ERC Grant Agreement No. 341225 . The authors are grateful to two anonymous reviewers for their constructive comments.

Keywords

Coated and uncoated papers
Critical path analysis
Imbibition
Log-normal distribution
Pore scale
Water relative permeability

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10.1016/j.ces.2018.05.051

1-s2.0-S0009250918303488-mainFinal published version, 1.78 MBLicence: Taverne

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title = "Modeling water imbibition into coated and uncoated papers",

abstract = "Modeling morphological and hydraulic properties of thin porous media, such as filter layers and papers is highly relevant to various industries. In our previous studies, the X-ray tomography and FIB-SEM methods were applied to capture micro- and nano-scale pores in uncoated paper and coated layer, respectively. Here, the reconstructed pore structures were used to investigate two-phase water imbibition in these porous media. The obtained pore size distributions showed a log-normal probability density function. Such a distribution, together with concepts from critical path analysis and percolation theory, was applied to calculate relative permeability over a wide range of water saturations. Comparison with pore-scale numerical simulations showed the capability of this method to estimate water relative permeability for coated and uncoated papers.",

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author = "Behzad Ghanbarian and Hamed Aslannejad and Amir Raoof",

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T1 - Modeling water imbibition into coated and uncoated papers

AU - Ghanbarian, Behzad

AU - Aslannejad, Hamed

AU - Raoof, Amir

PY - 2018/11/2

Y1 - 2018/11/2

N2 - Modeling morphological and hydraulic properties of thin porous media, such as filter layers and papers is highly relevant to various industries. In our previous studies, the X-ray tomography and FIB-SEM methods were applied to capture micro- and nano-scale pores in uncoated paper and coated layer, respectively. Here, the reconstructed pore structures were used to investigate two-phase water imbibition in these porous media. The obtained pore size distributions showed a log-normal probability density function. Such a distribution, together with concepts from critical path analysis and percolation theory, was applied to calculate relative permeability over a wide range of water saturations. Comparison with pore-scale numerical simulations showed the capability of this method to estimate water relative permeability for coated and uncoated papers.

AB - Modeling morphological and hydraulic properties of thin porous media, such as filter layers and papers is highly relevant to various industries. In our previous studies, the X-ray tomography and FIB-SEM methods were applied to capture micro- and nano-scale pores in uncoated paper and coated layer, respectively. Here, the reconstructed pore structures were used to investigate two-phase water imbibition in these porous media. The obtained pore size distributions showed a log-normal probability density function. Such a distribution, together with concepts from critical path analysis and percolation theory, was applied to calculate relative permeability over a wide range of water saturations. Comparison with pore-scale numerical simulations showed the capability of this method to estimate water relative permeability for coated and uncoated papers.

KW - Coated and uncoated papers

KW - Critical path analysis

KW - Imbibition

KW - Log-normal distribution

KW - Pore scale

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VL - 189

SP - 33

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JO - Chemical Engineering Science

JF - Chemical Engineering Science

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Modeling water imbibition into coated and uncoated papers

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