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Physical water treatment using RF electric fields for the mitigation of CaCO3 fouling in cooling water
Journal article   Peer reviewed

Physical water treatment using RF electric fields for the mitigation of CaCO3 fouling in cooling water

Leonard D. Tijing, Hang Young Kim, Dong Hwan Lee, Cheol Sang Kim and Young I. Cho
International journal of heat and mass transfer, v 53(7-8), pp 1426-1437
01 Mar 2010
DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2009.12.009
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Abstract

Engineering Engineering, Mechanical Mechanics Physical Sciences Science & Technology Technology Thermodynamics
The present study investigated the feasibility of RF electrical fields in mitigating CaCO3 fouling in cooling water. Three different voltages and two frequencies were used for the RF electric fields produced directly in water with varying cold-side velocity. Artificial hard water was used. Fouling resistances for the PWT-treated cases decreased by 34-88% from the values for no-treatment cases, depending on the cold-side flow velocity. The results showed blunt crystal structures for the PWT-treated cases, while no-treatment cases had sharp and pointed crystal structures. The new PWT method using RF electric fields presents a valid tool to mitigate CaCO3 fouling in cooling water. (C) 2009 Elsevier Ltd. All rights reserved.

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Collaboration types
Domestic collaboration
International collaboration
Web of Science research areas
Engineering, Mechanical
Mechanics
Thermodynamics
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