Depth Dependence of the Big Wave in Belousov-Zhabotinsky Reaction

概要

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Hydrodynamical effects due to Marangoni instability in the Big Wave, which is the wave observed in a quasi 2-dimensional shallow layer of unstirred excitable Belousov-Zhabotinsky (BZ) reaction solution, were investigated experimentally. We found that the layer depth of BZ solution strongly influences the propagating velocity and the shape of the wave. The critical depth d_c of BZ solution was found to be d_c≈1.5 mm. The qualitative feature of the propagation of the wave changed at d_c. We also determined the difference between the location of the maximum deformation of the surface and that of a wave front such as the color front.
社団法人日本物理学会の論文
1995-10-15