Artículo
A cellular automaton for the modeling of oscillations in a surface reaction
Autor/es | Lemos Fernández, María del Carmen
Jiménez-Morales, Francisco de Paula |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Fecha de publicación | 2004-08 |
Fecha de depósito | 2020-04-28 |
Publicado en |
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Resumen | The reaction of CO and O over a catalytic surface is studied with a cellular automata ~CA! model.
We extend the CA model proposed by Mai and von Niessen @Phys. Rev. A 44 R6165 ~1991!# taking
into account the variation ... The reaction of CO and O over a catalytic surface is studied with a cellular automata ~CA! model. We extend the CA model proposed by Mai and von Niessen @Phys. Rev. A 44 R6165 ~1991!# taking into account the variation of the temperature of the catalyst with the aim of analyzing the existence of oscillations in this reaction. The rate constants for different processes which govern the reaction are chosen in the Arrhenius form. Quasiperiodic, aperiodic, O-poisoned, and CO-poisoned regimes are observed depending on the temperature relaxation parameter. The results from the CA model presented are in agreement with several oscillatory behaviors which the catalyzed oxidation of CO exhibits. |
Agencias financiadoras | Ministerio de Ciencia y Tecnología (MCYT). España |
Identificador del proyecto | BFM2003-03986 / FISI |
Cita | Lemos Fernández, M.d.C. y Jiménez-Morales, F.d.P. (2004). A cellular automaton for the modeling of oscillations in a surface reaction. The Journal of Chemical Physics, 121 (7), 3206-3211. |
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