title: Ultralow Interfacial Tension Measurement through Jetting/Dripping Transition.
abstract: In this paper, we present a dynamic microfluidic tensiometer able to perform measurements over more than four decades and which is suitable for high throughput experimentations. This tensiometer is able to withstand hard conditions such as high pressure, high temperature, high salinity, and crude oil. It is made of two coaxial capillaries in which two immiscible fluids are injected. Depending on the flow rate of each phase, either droplets or jetting will be obtained. The transition between these two regimes relies on the Rayleigh-Plateau instability. This transition can be theoretically computed thanks to a linear analysis based on the convective and absolute instabilities theory. From this model, the interfacial tension between the two phases can be calculated.
authors.affiliation: IFP Energies nouvelles , 1 et 4 avenue de Bois-Préau, 92852 Rueil-Malmaison Cedex, France.
authors.forename: Marie
authors.initials: M
authors.lastname: Moiré
authors.affiliation: IFP Energies nouvelles , 1 et 4 avenue de Bois-Préau, 92852 Rueil-Malmaison Cedex, France.
authors.forename: Yannick
authors.initials: Y
authors.lastname: Peysson
authors.affiliation: IFP Energies nouvelles , 1 et 4 avenue de Bois-Préau, 92852 Rueil-Malmaison Cedex, France.
authors.forename: Benjamin
authors.initials: B
authors.lastname: Herzhaft
authors.affiliation: IFP Energies nouvelles , 1 et 4 avenue de Bois-Préau, 92852 Rueil-Malmaison Cedex, France.
authors.forename: Nicolas
authors.initials: N
authors.lastname: Pannacci
authors.affiliation: EPFL , LFMI, Bâtiment ME A2, Station 9, CH-1015 Lausanne, Switzerland.
authors.forename: François
authors.initials: F
authors.lastname: Gallaire
authors.affiliation: EPFL , LFMI, Bâtiment ME A2, Station 9, CH-1015 Lausanne, Switzerland.
authors.forename: Laura
authors.initials: L
authors.lastname: Augello
authors.affiliation: IFP Energies nouvelles , 1 et 4 avenue de Bois-Préau, 92852 Rueil-Malmaison Cedex, France.
authors.forename: Christine
authors.identifier: 0000-0002-2567-9385
authors.initials: C
authors.lastname: Dalmazzone
authors.affiliation: ESPCI , CNRS, SIMM UMR 7615, 11 rue Vauquelin, 75005 Paris, France.
authors.forename: Annie
authors.identifier: 0000-0001-8372-006X
authors.initials: A
authors.lastname: Colin