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Simulation of noise characteristic effects on stochastic resonance in Belousov-Zhabotinsky flow reaction

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Abstract

A three-variable model, which was proposed to account for the stochastic resonance (SR) in Belousov-Zhabotinsky (B-Z) reaction in a continuous-flow stirred-tank reactor, is investigated when the control parameter kr, the flow rate, is modulated by noise near supercritical Hopf bifurcation point. Using the computer simulation, noise-induced oscillations are observed, and the signalto-noise ratio (SNR) goes through a maximum with the increment of noise intensity, which means occurrence of stochastic resonance. In addition, we have also investigated the effects of correlation time of colored noise and the duration time of white noise on the system’s dynamics.

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Authors and Affiliations

  1. Department of Chemical Physics, University of Science and Technology of China, 230026, Hefei, China

    Feng Qi, Pengpeng Yao & Houwen Xin

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  1. Feng Qi
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  2. Pengpeng Yao
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  3. Houwen Xin
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Correspondence to Houwen Xin.

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Qi, F., Yao, P. & Xin, H. Simulation of noise characteristic effects on stochastic resonance in Belousov-Zhabotinsky flow reaction. Sc. China Ser. B-Chem. 43, 389–395 (2000). https://doi.org/10.1007/BF02969444

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  • DOI: https://doi.org/10.1007/BF02969444

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