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Article: Pressure-driven filling of liquid metal in closed-end microchannels

TitlePressure-driven filling of liquid metal in closed-end microchannels
Authors
Issue Date2018
Citation
Physical Review E, 2018, v. 98, n. 3, article no. 032602 How to Cite?
AbstractWe observe unsteady flow behavior of liquid metal during a pressure-driven injection process into a closed-ended polydimethylsiloxane microchannel. Constant pressure is applied at the inlet to allow eutectic gallium-indium (EGaIn) to completely fill the porous microchannels. In contrast to open channels [M. D. Dickey, Adv. Funct. Mater. 18, 1097 (2008)1616-301X10.1002/adfm.200701216], the flow exhibits a complex unsteady behavior with sudden random length jumps and time stops. However, with appropriate formulation of a suitable mathematical model with the system using (i) the permeability of polydimethylsiloxane to air, (ii) previous descriptions of the nature of the EGaIn surface oxide layer, and (iii) a key probabilistic approach, we show that the average quantities defining the quantumlike flow can be accurately predicted. The proposed probabilistic formulation provides for the first time a description of the dynamics of the surface oxide layer, the breaking and healing characteristic times when EGaIn is driven in a microchannel. Importantly, this work provides a better understanding of complex flow behavior and lays the foundation for future work.
Persistent Identifierhttp://hdl.handle.net/10722/336741
ISSN
2023 Impact Factor: 2.2
2023 SCImago Journal Rankings: 0.805

 

DC FieldValueLanguage
dc.contributor.authorGañán-Calvo, Alfonso M.-
dc.contributor.authorGuo, Wei-
dc.contributor.authorXi, Heng Dong-
dc.contributor.authorTeo, Adrian J.T.-
dc.contributor.authorNguyen, Nam Trung-
dc.contributor.authorTan, Say Hwa-
dc.date.accessioned2024-02-29T06:56:12Z-
dc.date.available2024-02-29T06:56:12Z-
dc.date.issued2018-
dc.identifier.citationPhysical Review E, 2018, v. 98, n. 3, article no. 032602-
dc.identifier.issn2470-0045-
dc.identifier.urihttp://hdl.handle.net/10722/336741-
dc.description.abstractWe observe unsteady flow behavior of liquid metal during a pressure-driven injection process into a closed-ended polydimethylsiloxane microchannel. Constant pressure is applied at the inlet to allow eutectic gallium-indium (EGaIn) to completely fill the porous microchannels. In contrast to open channels [M. D. Dickey, Adv. Funct. Mater. 18, 1097 (2008)1616-301X10.1002/adfm.200701216], the flow exhibits a complex unsteady behavior with sudden random length jumps and time stops. However, with appropriate formulation of a suitable mathematical model with the system using (i) the permeability of polydimethylsiloxane to air, (ii) previous descriptions of the nature of the EGaIn surface oxide layer, and (iii) a key probabilistic approach, we show that the average quantities defining the quantumlike flow can be accurately predicted. The proposed probabilistic formulation provides for the first time a description of the dynamics of the surface oxide layer, the breaking and healing characteristic times when EGaIn is driven in a microchannel. Importantly, this work provides a better understanding of complex flow behavior and lays the foundation for future work.-
dc.languageeng-
dc.relation.ispartofPhysical Review E-
dc.titlePressure-driven filling of liquid metal in closed-end microchannels-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevE.98.032602-
dc.identifier.scopuseid_2-s2.0-85053139517-
dc.identifier.volume98-
dc.identifier.issue3-
dc.identifier.spagearticle no. 032602-
dc.identifier.epagearticle no. 032602-
dc.identifier.eissn2470-0053-

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