Budroni, Marcello Antonio and Masia, Marco and Rustici, Mauro and Marchettini, Nadia and Volpert, Vitaly and Cresto, Pier Carlo (2008) Ruelle-Takens-Newhouse scenario in reaction-diffusion-convection system. The Journal of Chemical Physics, Vol. 128 (11), p. 1-4. eISSN 1089-7690. Article.
Direct numerical simulations of the transition process from periodic to chaotic dynamics are presented for two variable Oregonator-diffusion model coupled with convection. Numerical solutions to the corresponding reaction-diffusion-convection system of equations show that natural convection can change in a qualitative way, the evolution of concentration distribution, as compared with convectionless conditions. The numerical experiments reveal distinct bifurcations as the Grashof number is increased. A transition to chaos similar to Ruelle-Takens-Newhouse scenario is observed. Numerical results are in agreement with the experiments.
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