Numerical study on time delay for chemical wave transmission via an inactive gap

被引:34
作者
Kusumi, T
Yamaguchi, T
Aliev, RR
Amemiya, T
Ohmori, T
Hashimoto, H
Yoshikawa, K
机构
[1] NATL INST MAT & CHEM RES,TSUKUBA,IBARAKI 305,JAPAN
[2] NATL INST ADV INTERDISCIPLINARY RES,TSUKUBA,IBARAKI 305,JAPAN
[3] UBE NATL COLL TECHNOL,DEPT ELECT ENGN,UBE,YAMAGUCHI 755,JAPAN
[4] NAGOYA UNIV,GRAD SCH HUMAN INFORMAT,CHIKUSA KU,NAGOYA,AICHI 46401,JAPAN
关键词
D O I
10.1016/S0009-2614(97)00477-6
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The time delay for transmission of chemical waves via a geometrically asymmetric gap is studied based on the Rovinsky-Zhabotinsky model of the Belousov-Zhabotinsky reaction. It decreases with acidity and increases with the gap width. The time delay is assumed to be the sum of two components: the diffusion process within the gap and the reaction process at the receiving boundary. The latter accounts for the presence of the critical gap width above which no transmission occurs, and consequently, for switching of unidirectional transmission. An equation for the time delay is proposed as a function of the gap width. (C) 1997 Elsevier Science B.V.
引用
收藏
页码:355 / 360
页数:6
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