Instabilities of the Belousov-Zhabotinsky Reaction in a Taylor Vortex Flow Reactor with Constant Axial Flow

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

Naoto Ohmura¹  Daisuke Shindo¹  Masato Utsunomiya¹  Shigehito Deki¹  Kunio Kataoka¹  Tadahiro Mukaida¹ 

[1] Department of Chemical Science and Engineering, Kobe University

关键词: Reaction Engineering;    Nonlinear Phenomena;    Reaction-Diffusion System;    Taylor Vortex Flow;    Belousov-Zhabotinsky Reaction;   

DOI  :  10.1252/jcej.30.388

来源: Maruzen Company Ltd

【 摘 要 】

References(17)Instabilities of the Belousov-Zhabotinsky reaction were investigated in a Taylor vortex flow reactor with constant axial flow regarded as a one-dimensional open reaction-diffusion system. The effective axial diffusion coefficient was used as one of the controlling parameters, and changed by varying the rotating speed of the inner cylinder. Effluent from an isothermal continuous stirred tank reactor was supplied as the feed into the test reactor so as to clearly specify the inlet condition of concentration oscillation. The feed rate was changed as another controlling parameter. Irregular disturbances appeared at low-concentrations of Ce4+ when the inlet condition was singly periodic oscillation, whereas no remarkable irregular oscillation could be found when the inlet condition was dynamical equilibrium. The spatio-temporal oscillation patterns were successfully described qualitatively by a numerical simulation based on the ‘Coupled Map Lattice’ method using an Oregonator reaction model. The numerical results also suggested that complex spatial and temporal behavior occurred under the inlet condition of singly periodic oscillation.

【 授权许可】

Unknown