ELECTRODIFFUSIONAL DIRECTION-SPECIFIC PROBE FOR MEASURING LOCAL VELOCITY OF AERATED AQUEOUS SYSTEMS

被引：6

作者：

PAULI, J ^{[1
]}

ONKEN, U ^{[1
]}

SOBOLIK, V ^{[1
]}

机构：

[1] CZECHOSLOVAK ACAD SCI,INST CHEM PROC,CS-16502 PRAGUE 6,CZECHOSLOVAKIA

来源：

JOURNAL OF APPLIED ELECTROCHEMISTRY | 1991年 / 21卷 / 12期

关键词：

11;

D O I：

10.1007/BF01041449

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A three-segment direction specific probe based on the electrodiffusion measuring technique was used to measure local liquid velocities in gas-liquid flow. Dissolved oxygen was employed as depolarizer instead of the usually applied redox system ferro-ferricyanide in water. The concentration of the auxiliary electrolyte K2SO4 was so low that coalescence behaviour of the gas-liquid system was not influenced. It was possible to measure liquid velocities up to ca 100 cm s-1. The probe showed satisfying sensitivity to flow direction. Furthermore, unequivocal discrimination between signals from the liquid and gas phases was achieved.

引用

页码：1073 / 1076

页数：4

共 15 条

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