期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 5, 期 3, 页码 413-418出版社
AMER CHEMICAL SOC
DOI: 10.1021/jz402625z
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资金
- Xunta de Galicia [CN2012/315]
- FNRS-FORECAST
- Prodex
- Regione Sardegna POR project
Pulsatile chemo-hydrodynamic patterns due to a coupling between an oscillating chemical reaction and buoyancy-driven hydrodynamic flows can develop when two solutions of separate reactants of the Belousov-Zhabotinsky reaction are put in contact in the gravity field and conditions for chemical oscillations are met in the contact zone. In regular oscillatory conditions, localized periodic changes in the concentration of intermediate species induce pulsatile density gradients, which, in turn, generate traveling convective fingers breaking the transverse symmetry. These patterns are the self-organized result of a genuine coupling between chemical and hydrodynamic modes.
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