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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/4847

Title: Experimental observation of capillary instabilities of two phase flow in a microfluidic T-junction
Authors: Mbanjwa, MB
Land, KJ
Jewell, L
Moss, EA
Gledhill, IMA
Keywords: Capillary instability
Microfluidic T-junction
Plateau-Rayleigh instabilities
Interfacial tension
SACAM 2010
Applied mechanics
Issue Date: Jan-2010
Publisher: SACAM 2010
Citation: Mbanjwa, MB, Land KJ, Jewell L, et al. 2010. Experimental observation of capillary instabilities of two phase flow in a microfluidic T-junction. 7th South African Conference on Computational and Applied Mechanics (SACAM10), Pretoria, 10-13 January 2010, pp 1-9
Series/Report no.: Workflow request;3179
Abstract: This paper discusses the experimental observation of capillary instabilities of two-phase flow in a microfluidc T-junction. These instabilities are analogous to the classical Plateau-Rayleigh instabilities. The experiments were carried out with mineral oil and water in a rectangular microchannel of 100 μm width and depth of 75 μm. The interfacial tension of the system was around 3 mN/m after addition of a surfactant in the oil phase. We report on the instabilities observed in three fluid inlet configurations in T-junctions under the same flow parameters. The inlet geometry was found to have limited influence on the behaviour of the flow while the flowrate of the water phase is considered more important
Description: 7th South African Conference on Computational and Applied Mechanics (SACAM10), Pretoria, 10-13 January 2010
URI: http://hdl.handle.net/10204/4847
ISBN: 978062049192
Appears in Collections:Nanotechnology
Manufacturing science and technology
General science, engineering & technology

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