DIFFUSION-CONVECTION IMPEDANCE AT SMALL ELECTRODESстатья
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Дата последнего поиска статьи во внешних источниках: 29 мая 2015 г.
Аннотация:The ac diffusion impedance at small electrodes has been calculated as a function of frequency for convective-diffusion conditions. The dimensionless local flux was expressed as a series expansion of the dimensionless local characteristic frequency-zeta in the low-frequency range, and proportional to zeta-+1/2 in the high-frequency range. The two solutions were shown to overlap fairly well for 6 less-than-or-equal-to zeta less-than-or-equal-to 13. The overall impedance was then obtained for a small circular or a rectangular electrode. These theoretical predictions were successfully tested in pipe flow for laminar or turbulent conditions.