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http://dx.doi.org/10.6112/kscfe.2011.16.3.052

QUASI-PERIODICITY AND CHAOTIC CONVECTION IN A HORIZONTAL ANNULUS WITH A CONSTANT HEAT FLUX WALL  

Yoo, Joo-Sik (안동대학교 기계교육과)
Publication Information
Journal of computational fluids engineering / v.16, no.3, 2011 , pp. 52-58 More about this Journal
Abstract
This study investigates the bifurcation sequence to chaos in a horizontal annulus with a constant heat flux wall. After the first Hopf bifurcation from a steady to a simple time-periodic flow with a fundamental frequency, quasi-periodic flows with two or three incommensurable frequencies appear. A reverse transition from a quasi-periodic flow to a simple periodic flow is observed with increase of Rayleigh number. And finally, chaotic convection is established after appearance of three incommensurable frequencies at a high Rayleigh number. Simple periodic flows exist between quasi periodic flows. The transition route to chaos of the present simulations follows the Ruelle-Takens route.
Keywords
Oscillatory Convection; Periodic Flow; Quasi-periodic flow; Chaotic Convection;
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Times Cited By KSCI : 1  (Citation Analysis)
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