| Issue |
Europhys. Lett.
Volume 71, Number 4, August 2005
|
|
|---|---|---|
| Page(s) | 530 - 535 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2005-10120-5 | |
| Published online | 20 July 2005 | |
Coherence resonances in an autonomous thermochemical model with internal fluctuations
1
Université Pierre et Marie Curie, Laboratoire de Physique Théorique des Liquides CNRS UMR 7600 - 4 place Jussieu, 75252 Paris Cedex 05, France
2
Institute of Physical Chemistry, Polish Academy of Sciences Kasprzaka 44/52, 01-224 Warsaw, Poland
3
Physics Laboratory, Warsaw University of Agriculture Nowoursynowska 159, 02-776 Warsaw, Poland
Received:
14
February
2005
Accepted:
20
June
2005
Direct simulations of the master equation associated with a two-variable homogeneous thermochemical model are performed in order to analyze the effects of internal fluctuations on excitability and periodic oscillations. In both regimes, coherence resonances are observed in the absence of external noise and external forcing. These results suggest that the control of the combustion of lean premixed gas requires a stochastic description at a mesoscopic level.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 82.33.Vx – Reactions in flames, combustion, and explosions / 82.40.Bj – Oscillations, chaos, and bifurcations
© EDP Sciences, 2005
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