Phase transition induced hydrodynamic instability and Langmuir-Blodgett Deposition
Loh, Kok-Kiong · Saxena, Avadh · Lookman, Turab · Parikh, Atul N.
Original · EN
We propose a model to understand periodic oscillations relevant to the origin of mesoscopic channels formed during a Langmuir-Blodgett deposition observed in recent experiments {M. Gleiche, L.F. Chi, and H. Fuchs, Nature 403, 173 (2000)}. We numerically study one-dimensional flow of a van der Waals fluid near its discontinuous liquid-gas transition and find that steady-state flow becomes unstable in the vicinity of the phase transition. Instabilities leading to complex periodic density-oscillations are demonstrated at some suitably chosen sets of parameters.
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