Non-linear Chemical Reactions: A Comparison Between an Experiment and a Theoretical Model
Articles in Resonance – Journal of Science Education
Volume 25 Issue 3 March 2020 pp 381-395 Non-linear Chemical Reactions: A Comparison Between an Experiment and a Theoretical Model
Abiya Rajans Neelima Gupte P C Deshmukh
In this article, we discuss the Belousov–Zhabotinsky (BZ) reactionand its relation with the Oregonator model of chemicalreactions. The Oregonator model has a limit cycle, andthe BZ reaction shows chemical oscillations. We comparethe time series obtained from the Oregonator model, with thetime series obtained from an experimental study of the BZ reactionand show that the qualitative behaviour is similar. Wealso construct the limit cycle from the experimental data usingthe Takens’ embedding theorem and compare it with thelimit cycle from the Oregonator model. We conclude with ademonstration of the spatio-temporal patterns which can beseen in the two-dimensional version of this system.
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