On the mechanism of electrohydrodynamic convection in thin-layer electrolytic cells
Article Abstract:
A study was conducted to analyze the mechanism of electrohydrodynamic convection in thin-layer electrolytic cells. The explicit finite differences method was utilized to determine the differential equations characterizing the transport processes. The driving force density for the convection was analyzed from the distribution of the electric field. Experimental results indicated that the recombination of rubrene radicals complicated the evaluation of the electric field distribution in the interelectrode space.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1998
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Electrochemical formation of luminescent convective patterns in thin-layer cells
Article Abstract:
The mechanics of electrochemical formation of luminescent convective patterns in thin-layer cells was investigated. It was shown that the electrolysis of rubrene in a thin-layer electrochemical cell results in the formation of electrohydrodynamic convection patterns. The resulting electrochemiluminescence increases the visibility of convective structures. The electromechanical mechanism leading to the electrohydrodynamic convection was examined, as was the significance of ionic salt concentration.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1998
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On the onset of self-organizing electrohydrodynamic convection in the thin-layer electrolytic cells
Article Abstract:
A numerical model of electrochemical convection system was used to determine whether the electric force produced in thin-layer cell during the low-voltage electrolysis of rubrene in 1,2-dimethoxyethane results to electroconvection under isothermal conditions. The model system has a 2D layer of the fluid electrolyzed between two planar electrodes. Results showed that inhomogeneous fluctuations of local current densities can be a sufficient condition for the onset of the electroconvection.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1999
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