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The Effects of Hydrophobicity and Drainage Velocity on Water Retention Behaviour in Porous Media: A Computational Study

The present study investigates the water retention behavior in two different types of porous media, i.e., porous metal - a type of metallic foam and ideal geometry. The present study uses computational fluid dynamics (CFD) to model a decreasing water level in a reservoir consisting of a stationary p...

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Main Authors: Yong, K.W., Ganesan, Poo Balan, Hamidi, E., Kazi, Salim Newaz, Ramesh, Singh
Format: Article
Published: World Scientific Publishing 2020
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://eprints.um.edu.my/25749/
https://doi.org/10.1142/S2010132520500340
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spelling my.um.eprints.257492021-02-10T02:12:12Z http://eprints.um.edu.my/25749/ The Effects of Hydrophobicity and Drainage Velocity on Water Retention Behaviour in Porous Media: A Computational Study Yong, K.W. Ganesan, Poo Balan Hamidi, E. Kazi, Salim Newaz Ramesh, Singh TJ Mechanical engineering and machinery The present study investigates the water retention behavior in two different types of porous media, i.e., porous metal - a type of metallic foam and ideal geometry. The present study uses computational fluid dynamics (CFD) to model a decreasing water level in a reservoir consisting of a stationary porous medium beneath the water surface at initial stage. It mimics the setup of dynamics dip-testing which measures the amount of retained water for different types of fins-tubes heat exchangers. The study varies parameters like static contact angle (θs) and drainage velocity (U). The literature review summarizes the unique water retention behaviors for different types of heat exchangers and the findings of the present study. Furthermore, the present study proposed new parameters for evaluating the structural variations in porous metal that explains the water saturation distribution in detail. The evaluation method could provide an insightful idea for performing the quality control check on metallic foam. © 2020 World Scientific Publishing Company. World Scientific Publishing 2020 Article PeerReviewed Yong, K.W. and Ganesan, Poo Balan and Hamidi, E. and Kazi, Salim Newaz and Ramesh, Singh (2020) The Effects of Hydrophobicity and Drainage Velocity on Water Retention Behaviour in Porous Media: A Computational Study. International Journal of Air-Conditioning and Refrigeration, 28 (04). p. 2050034. ISSN 2010-1325 https://doi.org/10.1142/S2010132520500340 doi:10.1142/S2010132520500340
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Yong, K.W.
Ganesan, Poo Balan
Hamidi, E.
Kazi, Salim Newaz
Ramesh, Singh
The Effects of Hydrophobicity and Drainage Velocity on Water Retention Behaviour in Porous Media: A Computational Study
description The present study investigates the water retention behavior in two different types of porous media, i.e., porous metal - a type of metallic foam and ideal geometry. The present study uses computational fluid dynamics (CFD) to model a decreasing water level in a reservoir consisting of a stationary porous medium beneath the water surface at initial stage. It mimics the setup of dynamics dip-testing which measures the amount of retained water for different types of fins-tubes heat exchangers. The study varies parameters like static contact angle (θs) and drainage velocity (U). The literature review summarizes the unique water retention behaviors for different types of heat exchangers and the findings of the present study. Furthermore, the present study proposed new parameters for evaluating the structural variations in porous metal that explains the water saturation distribution in detail. The evaluation method could provide an insightful idea for performing the quality control check on metallic foam. © 2020 World Scientific Publishing Company.
format Article
author Yong, K.W.
Ganesan, Poo Balan
Hamidi, E.
Kazi, Salim Newaz
Ramesh, Singh
author_facet Yong, K.W.
Ganesan, Poo Balan
Hamidi, E.
Kazi, Salim Newaz
Ramesh, Singh
author_sort Yong, K.W.
title The Effects of Hydrophobicity and Drainage Velocity on Water Retention Behaviour in Porous Media: A Computational Study
title_short The Effects of Hydrophobicity and Drainage Velocity on Water Retention Behaviour in Porous Media: A Computational Study
title_full The Effects of Hydrophobicity and Drainage Velocity on Water Retention Behaviour in Porous Media: A Computational Study
title_fullStr The Effects of Hydrophobicity and Drainage Velocity on Water Retention Behaviour in Porous Media: A Computational Study
title_full_unstemmed The Effects of Hydrophobicity and Drainage Velocity on Water Retention Behaviour in Porous Media: A Computational Study
title_sort effects of hydrophobicity and drainage velocity on water retention behaviour in porous media: a computational study
publisher World Scientific Publishing
publishDate 2020
url http://eprints.um.edu.my/25749/
https://doi.org/10.1142/S2010132520500340
_version_ 1691733435055341568
score 13.211869

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