THE EFFECT OF THE INSULATION OF AN ISOLATED ELECTRODE ON MEASUREMENTS OF LOCAL MASS TRANSFER COEFFICIENTS BY ELECTRO-CHEMICAL METHOD

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概要

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• The effect of the insulation of a circular isolated electrode on the measurement of local mass transfer rates by the electrochemical method was investigated theoretically and experimentally. Three kinds of model for the velocity profile adjacent to the electrode were proposed and compared with experimental results, which were obtained with four kinds of isolated electrode in twodimensional flow. It was found that the apparent local mass transfer coefficients for an isolated electrode with insulation coaxially around it were rather greater than the true values. The ratio between these two coefficients was a function of the outer radius of the insulation, r2 and the relative area of the isolated electrode, Ø. The experimental results were in good agreement with the theoretical results. The results might be applicable to estimating true local mass transfer coefficients from apparent ones.

• 公益社団法人 化学工学会の論文

著者

• Okazaki Morio

  Department Of Chemical Engineering Kyoto University

• Furuta Takeshi

  Department Of Biotechnology Faculty Of Engineering Tottori University

• FURUTA TAKESHI

  Department of Chemical Engineering, Kyoto University

• TOEI RYOZO

  Department of Chemical Engineering, Kyoto University

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