2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84299The solution was found from Navier-Stokes equation and boundary conditions with interfacial tension as function of the film substance concentration. Here the method of Chen&Vinals is used. It was found that adding to coefficient leads to growth of critical value of the driving acceleration.3 pagesFluid Dynamicstext