Πλοήγηση ανά Θέμα "THIN LIQUID-FILMS"
Αποτελέσματα 1-6 από 6
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Effect of channel width on the primary instability of inclined film flow
(2010)A procedure is developed to detect the onset of interfacial instability in inclined film flows (with estimated accuracy better than 5%) and is used to show that the finite width of experimental channels stabilizes the ... -
Experimental evidence for a short-wave global mode in film flow along periodic corrugations
(2013)The primary instability of liquid film flow along periodically corrugated substrates is studied experimentally. Two different wall shapes, of the same wavelength and height, are tested for a wide range of inclinations. It ... -
Falling film flow along steep two-dimensional topography: The effect of inertia
(2008)Steady film flow along a vertical wall with isolated step changes is studied numerically for Reynolds numbers Re similar to O(10(-3)-10(2)) and capillary numbers Ca similar to O(10(-2)-10(1)). The lengthscale of free surface ... -
Nominally two-dimensional waves in inclined film flow in channels of finite width
(2010)Traveling waves in inclined film flow in channels of finite width are never truly two-dimensional (2D) because of a long-range effect of sidewalls The present study documents the characteristics of the first waves that are ... -
Non-linear dynamics of a viscoelastic film subjected to a spatially periodic electric field
(2015)We investigate the non-linear dynamics of the electrohydrodynamic instability of a viscoelastic polymeric film under a patterned mask. We develop a computational model and carry out 2D numerical simulations fully accounting ... -
The primary instability of falling films in the presence of soluble surfactants
(2013)We investigate the linear stability of a film flowing down a solid substrate in the presence of soluble surfactants. The Navier-Stokes equations for the liquid motion are considered, together with advection-diffusion ...