Issue 8, 2005

The effect of oxygen on time-dependent bifurcations in the Belousov–Zhabotinsky oscillating chemical reaction in a batch

Abstract

We have studied the effect of oxygen on the time-dependent bifurcations of transient oscillations in the Belousov–Zhabotinsky oscillating chemical reaction in a closed system. Experiments show that oscillations disappear through different bifurcations depending on the oxygen concentration in gas phase above the reaction solution. Oscillations disappear through the time-delayed Hopf bifurcation at low oxygen concentrations, whereas at high oxygen concentrations they disappear through the time-dependent SNIPER (saddle-node infinite period) bifurcation. We propose a kinetic scheme that describes the effects observed in experiments. Good agreement between the experimental data and simulations is obtained.

Graphical abstract: The effect of oxygen on time-dependent bifurcations in the Belousov–Zhabotinsky oscillating chemical reaction in a batch

Article information

Article type
Paper
Submitted
18 Oct 2004
Accepted
21 Feb 2005
First published
11 Mar 2005

Phys. Chem. Chem. Phys., 2005,7, 1680-1686

The effect of oxygen on time-dependent bifurcations in the Belousov–Zhabotinsky oscillating chemical reaction in a batch

Y. Yu. Kalishyn, M. Rachwalska, V. O. Khavrus and P. E. Strizhak, Phys. Chem. Chem. Phys., 2005, 7, 1680 DOI: 10.1039/B416006A

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