Abstract
Fluid flow in the vicinity of a liquid/liquid interface was computed with CFD and measured via LDA technique. The flow presents some similarities to wall bounded flow with the presence of a viscous boundary layer of wall unit thickness y\(^+=\)10. It was seen that the turbulence is almost completely damped in this viscous boundary layer. Even with velocity mean values close to zero, the interface has an oscillatory movement and a very low value of the turbulence intensity was found at the points close to the interface. The viscosity ratio was suggested as a parameter to predict the existence of a viscous boundary layer close to the interfaces between immiscible fluids.
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Campos, L.D.O., Gardin, P., Vincent, S., Caltagirone, J.P. (2018). Fluid Flow and Turbulence Description in the Vicinity of Liquid/Liquid Interfaces. In: Deville, M., et al. Turbulence and Interactions. TI 2015. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 135. Springer, Cham. https://doi.org/10.1007/978-3-319-60387-2_10
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DOI: https://doi.org/10.1007/978-3-319-60387-2_10
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