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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2016, Volume 57, Issue 5, Pages 199–211
DOI: https://doi.org/10.15372/PMTF20160522 (Mi pmtf806) 		 
On numerical modeling of capillary flow dynamics in a microchannel model by using the finite element method

C.-T. Leea, C.-C. Leeb, J.-E. Linc, M.-L. Liud

a Simor Fraser University, British Columbia, BC, Canada
b Simor Fraser University, British Columbia, BC, Canada
c George Mason University, Fairfax, Virginia, USA
d Shantou University, Shantou, Guangdong, P. R. China
Full-text PDF (1285 kB)
DOI: https://doi.org/10.15372/PMTF20160522
Abstract: A simple microchannel model with submillimeter-scale geometries is proposed for studying capillary flows and investigating the dynamics in the channel. The finite element method incorporating surface tension and two-phase flow characteristic is applied. Velocity and pressure fields in the microchannel are presented. It is shown that the capillary-phase front in the microchannel is stirred, suffering small oscillations and retreating from the previous position before traveling again. Such a phenomenon is caused by nonlinear interaction of the capillary flow, surface tension, and boundary conditions.
Keywords: two-phase capillary flow, microchannel, surface tension, finite element method.
Received: 02.12.2013
Revised: 10.10.2014
English version:
Journal of Applied Mechanics and Technical Physics, 2016, Volume 57, Issue 5, Pages 937–948
DOI: https://doi.org/10.1134/S0021894416050229
Bibliographic databases:
Document Type: Article
UDC: 532.5
Language: Russian
Citation: C.-T. Lee, C.-C. Lee, J.-E. Lin, M.-L. Liu, “On numerical modeling of capillary flow dynamics in a microchannel model by using the finite element method”, Prikl. Mekh. Tekh. Fiz., 57:5 (2016), 199–211; J. Appl. Mech. Tech. Phys., 57:5 (2016), 937–948
Citation in format AMSBIB
\Bibitem{LeeLeeLin16}
\by C.-T.~Lee, C.-C.~Lee, J.-E.~Lin, M.-L.~Liu
\paper On numerical modeling of capillary flow dynamics in a microchannel model by using the finite element method
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2016
\vol 57
\issue 5
\pages 199--211
\mathnet{http://mi.mathnet.ru/pmtf806}
\crossref{https://doi.org/10.15372/PMTF20160522}
\elib{https://elibrary.ru/item.asp?id=27178535}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2016
\vol 57
\issue 5
\pages 937--948
\crossref{https://doi.org/10.1134/S0021894416050229}
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