Hydrodynamically enhanced electrochemical mass transfer on the surface of an electrically conductive droplet

نویسندگان

چکیده

Abstract A fully coupled model is proposed to investigate the influence of flow on electrochemical mass transfer at interface between electrolyte and an electrically conductive droplet. The electric current flows through droplet, consequently droplet acts as both anode cathode. Computations flow, concentration reactant, density fields were carried out. Various sizes (0.5, 2, 4 mm) under different regimes considering Reynolds number ( Re = 0.2, 20, 40 80) investigated. An iterative numerical method determine reactant droplet-electrolyte reaction kinetics (Butler-Volmer) formula diffusion-advection hydrodynamic boundary layer around With increase number, amount which increases. It found that controlled by for small (0.5 mm). However, diffusion governs efficiency with size (2 anodic area surface enlarged.

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ژورنال

عنوان ژورنال: Heat and Mass Transfer

سال: 2021

ISSN: ['0947-7411', '1432-1181']

DOI: https://doi.org/10.1007/s00231-021-03071-4