Bifurcating thermal convection flows arising from a horizontal cylinder centred in a square-sectioned enclosure are studied numerically, with the aim of achieving a more detailed description of the sequence of transitions leading to the onset of chaos, and obtaining a more precise estimate of the critical values of the main system parameter, the Rayleigh number Ra. Only a value of the geometric aspect ratio A of the system is considered, namely A = 2:5, for which a period-doubling cascade was previously observed. Results give evidence of new and interesting features in the route to chaos, such as a window of quasiperiodic flow and the detection of high-order period orbits.

Analysis of the bifurcating orbits on the route to chaos in confined thermal convection / Angeli, Diego; A., Pagano; Corticelli, Mauro Alessandro; A., Fichera; Barozzi, Giovanni Sebastiano. - ELETTRONICO. - (2012), pp. 27-34. ((Intervento presentato al convegno 5th International Conference on Chaotic Modeling and Simulation, CHAOS 2012 tenutosi a Athens (Greece) nel 12-15 June 2012,.

Analysis of the bifurcating orbits on the route to chaos in confined thermal convection

ANGELI, Diego;CORTICELLI, Mauro Alessandro;BAROZZI, Giovanni Sebastiano
2012-01-01

Abstract

Bifurcating thermal convection flows arising from a horizontal cylinder centred in a square-sectioned enclosure are studied numerically, with the aim of achieving a more detailed description of the sequence of transitions leading to the onset of chaos, and obtaining a more precise estimate of the critical values of the main system parameter, the Rayleigh number Ra. Only a value of the geometric aspect ratio A of the system is considered, namely A = 2:5, for which a period-doubling cascade was previously observed. Results give evidence of new and interesting features in the route to chaos, such as a window of quasiperiodic flow and the detection of high-order period orbits.
5th International Conference on Chaotic Modeling and Simulation, CHAOS 2012
Athens (Greece)
12-15 June 2012,
27
34
Angeli, Diego; A., Pagano; Corticelli, Mauro Alessandro; A., Fichera; Barozzi, Giovanni Sebastiano
Analysis of the bifurcating orbits on the route to chaos in confined thermal convection / Angeli, Diego; A., Pagano; Corticelli, Mauro Alessandro; A., Fichera; Barozzi, Giovanni Sebastiano. - ELETTRONICO. - (2012), pp. 27-34. ((Intervento presentato al convegno 5th International Conference on Chaotic Modeling and Simulation, CHAOS 2012 tenutosi a Athens (Greece) nel 12-15 June 2012,.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/739841
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