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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > September  >
In The Laboratory
Nonlinear Dynamics of the BZ Reaction: A Simple Experiment that Illustrates Limit Cycles, Chaos, Bifurcations, and Noise
Peter Strizhak and Michael Menzinger
Department of Chemistry, University of Toronto, Toronto, ON M5S.1A1
Cover
September 1996
Vol. 73 No. 9
p. 868
Abstract
A simple batch experiment is described that involves the recording of time series of the oscillating Belousov-Zhabotinsky reaction. It displays a variety of dynamical phenomena that illustrate some of the key concepts of nolinear dynamics. As the system evolves, it drifts slowly through parameter space and encounters on its path different dynamical domains and their associated, transient bifurcations. The qualitative study of these phenomena teaches, amongst others, the important concepts of separation of time scales and the notion of dynamics on a given, relevant time scale, of limit cycle and chaotic oscillations, super- and subcritical Hopf bifurcations and of the time-varying response of the system to external noise.

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*  Citation
 J. Chem. Educ. 1996 73 868.
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*  History
 Created:
Last Updated:		 September 21, 1999
February 21, 2006
Link to Cover added (June 2004).
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