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Role of the reactor geometry in the onset of transient chaos in an unstirred Belousov-Zhabotinsky system

Turco Liveri, Maria Liria and Lombardo, Renato and Masia, Marco and Calvaruso, Giuseppe and Rustici, Mauro (2003) Role of the reactor geometry in the onset of transient chaos in an unstirred Belousov-Zhabotinsky system. The Journal of Physical Chemistry. A, Vol. 107 (24), p. 4834-4837. ISSN 1089-5639. Article.

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DOI: 10.1021/jp027213q

Abstract

The dynamics of the Ce(IV)-catalyzed Belousov-Zhabotinsky (BZ) system has been spectrophotometrically monitored at 20.0 °C in unstirred batch conditions by using cuvettes with different geometry. The cuvette path length has been varied from 1 to 0.02 cm. The experimental results have shown that when the cuvette path length is in the range 1-0.05 cm the BZ system exhibits a chaotic behavior while below the critical value of 0.05 cm the dynamics of the BZ system is periodic. These trends have been ascribed to the elimination of the convective effect below a critical threshold and unambiguously demonstrate that convection is a bifurcation parameter for the route to chaos.

Item Type:Article
ID Code:3629
Status:Published
Refereed:Yes
Uncontrolled Keywords:BZ system, Ce(IV), chaotic behavior
Subjects:Area 03 - Scienze chimiche > CHIM/02 Chimica fisica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:American Chemical Society
ISSN:1089-5639
Deposited On:26 Mar 2010 22:35

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