SINGLE-PHASE FREE CONVECTIVE MASS TRANSFER IN ELECTROCHEMICAL REACTORS

被引：1
|
作者：
Vogt, Helmut [1 ]
机构：
[1] Univ Appl Sci, Beuth Hsch, Berlin, Germany
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2016年 / 94卷 / 02期
关键词：
mass transfer; free convection; single phase; gas-evolving electrodes; GAS-EVOLVING ELECTRODES; NATURAL-CONVECTION; HEAT-TRANSFER; SUPERPOSITION; COEFFICIENT; FLOW;
D O I：
10.1002/cjce.22390
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
At small values of current density and in the absence of significant forced convection, the simultaneous mass transfer of reagent and of product is controlled by free convection. A practical mass transfer equation is derived applicable to laminar as well as to turbulent flow. The function considers the particular conditions of electrodes with and without gas evolution and differs in application to reagent and to product. In addition to the more accurate and complex equation, a simpler relationship suitable for rough estimates is suggested.
引用
收藏
页码：368 / 373
页数：6
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