Mutually coupled oscillators with time delay

J. Weiner, R. Holz, F. W. Schneider, K. Bar-Eli

Research output: Contribution to journalArticlepeer-review

Abstract

We present a system of two identical chemical oscillators which are coupled by means of their flow rates. The individual flow rate of one oscillator is controlled by the output of the other oscillator and vice versa. A delay time is applied between the output of one oscillator and the input to the other one. This delay has been investigated both theoretically and experimentally for the minimal bromate oscillator. By variation of the delay time both oscillators dramatically change their periods and amplitudes. At lower coupling strengths, the periods of both oscillators increase and decrease in a sawtooth fashion with increasing delay times. At high coupling strengths multimode patterns were obtained at high delay times. No quasiperiodic or aperiodic behavior was observed in this coupled system. The experimental results are in general agreement with those calculated with the Noyes-Field-Thompson mechanism.

Original languageEnglish
Pages (from-to)8915-8919
Number of pages5
JournalJournal of Physical Chemistry
Volume96
Issue number22
DOIs
StatePublished - 1992

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