Degeneration of Limit Cycle Oscillation in BZ Electrode Reaction System Controlled Externally |
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Authors: | Wei Guoying Zhang Wenhua Jin Yongdong Luo Jiuli |
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Abstract: | A dynamical model of electrode BZ reaction system was establisheed on the basis of three variables Oregonator model and kinetics of electrode process. Under weak periodical constraint approximation, dynamical stability of quasi steady state on the slow manifold of the system is analyzed by means of linearized stability analysis of three variable system. Meanwhile, the corresponding regime favorable for the appearance of limit cycle oscillation is calculated. Computer simulation shows that limit cycle oscillatory regime has degenerated because of the external periodical potential constraint in the electrode phase. In this regime the system behaves as a temporary self-organization. Whereas, outside this regime a kind of response oscillation appear, with same period as the constraint. |
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Keywords: | BZ electrochemical reaction system Limit cycle oscillation Systematic dynamical analysis Weak periodical electrode potential constraint |
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