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Authors: Atsushi Nomura 1 ; Tatsunari Sakurai 2 and Hidetoshi Miike 1

Affiliations: 1 Yamaguchi University, Japan ; 2 Chiba University, Japan

Keyword(s): Belousov-Zhabotinsky (BZ) reaction, elastic surface, Marangoni effect, Navier-Stokes equation.

Related Ontology Subjects/Areas/Topics: Complex Systems Modeling and Simulation ; Fluid Dynamics ; Simulation and Modeling

Abstract: This paper presents a two-dimensional numerical simulation method for modeling a convective flow structure induced by chemical concentration waves of Belousov-Zhabotinsky (BZ) reaction in a two-dimensional rectangular domain of horizontal space and vertical depth. The method assumes a scenario in which an air-liquid interface of the BZ chemical solution has an elastic property and the Marangoni effect drives the surface motion of the interface. As a result of the surface motion, a convective flow is organized in the bulk of the chemical solution. The bulk flow of the chemical solution is described with the Navier-Stokes equations, and the chemical reaction is described with the Oregonator model. Thus, we couple the three systems of the bulk flow, the chemical reaction and the surface motion described with an elastic equation in the numerical simulation method. Results of several numerical simulations performed with the method show that a single chemical concentration wave pr opagates with a broad convective flow structure and a chemical concentration wave train propagates with a global flow structure. These flow structures are similar to those observed in real laboratory experiments. (More)

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Paper citation in several formats:
Nomura, A.; Sakurai, T. and Miike, H. (2014). Two-dimensional Numerical Simulation Method for Convective Flow Structure Induced by Chemical Concentration Waves. In Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH; ISBN 978-989-758-038-3; ISSN 2184-2841, SciTePress, pages 613-618. DOI: 10.5220/0005108506130618

@conference{simultech14,
author={Atsushi Nomura. and Tatsunari Sakurai. and Hidetoshi Miike.},
title={Two-dimensional Numerical Simulation Method for Convective Flow Structure Induced by Chemical Concentration Waves},
booktitle={Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH},
year={2014},
pages={613-618},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005108506130618},
isbn={978-989-758-038-3},
issn={2184-2841},
}

TY - CONF

JO - Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH
TI - Two-dimensional Numerical Simulation Method for Convective Flow Structure Induced by Chemical Concentration Waves
SN - 978-989-758-038-3
IS - 2184-2841
AU - Nomura, A.
AU - Sakurai, T.
AU - Miike, H.
PY - 2014
SP - 613
EP - 618
DO - 10.5220/0005108506130618
PB - SciTePress

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