The effects of fluid motion on oscillatory and chaotic fronts

P. M. Vilela, Desiderio A. Vasquez

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

2 Citas (Scopus)


We study oscillatory and chaotic reaction fronts described by the Kuramoto-Sivashinsky equation coupled to different types of fluid motion. We first apply a Poiseuille flow on the fronts inside a two-dimensional slab. We show regions of period doubling transition to chaos for different values of the average speed of Poiseuille flow. We also analyze the effects of a convective flow due to a Rayleigh-Taylor instability. Here the front is a thin interface separating two fluids of different densities inside a two-dimensional vertical slab. Convection is caused by buoyancy forces across the front as the lighter fluid is under a heavier fluid. We first obtain oscillatory and chaotic solutions arising from instabilities intrinsic to the front. Then, we determine the changes on the solutions due to fluid motion.

Idioma originalInglés
Páginas (desde-hasta)2563-2572
Número de páginas10
PublicaciónEuropean Physical Journal: Special Topics
EstadoPublicada - 1 nov. 2016


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