Abstract
Using a Cahn–Hilliard–Navier–Stokes model with a capillary tensor to account for solutal Marangoni force, we observe an interfacial wave at the interface of two immiscible liquids. A Fourier analysis shows that the interfacial wave is induced by oscillatory modes of solutal Marangoni convection. A critical Marangoni number is defined above which the oscillatory modes of solutal Marangoni convection are able to occur. This material property is a function of the wave number for different Cahn numbers and is determined from numerical simulations.
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Wang, F., Ben Said, M., Selzer, M. et al. Underdamped capillary wave caused by solutal Marangoni convection in immiscible liquids. J Mater Sci 51, 1820–1828 (2016). https://doi.org/10.1007/s10853-015-9600-1
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DOI: https://doi.org/10.1007/s10853-015-9600-1