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Electrodiffusional direction-specific probe for measuring local velocity of aerated aqueous systems (1991)

Pauli, J. ; Onken, U. ; Sobolik, V.

Springer

Journal of applied electrochemistry 21 (1991), S. 1073-1076

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ISSN: 1572-8838

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology

Notes: Abstract 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 100cm s−1. The probe showed satisfying sensitivity to flow direction. Furthermore, unequivocal discrimination between signals from the liquid and gas phases was achieved.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01041449

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