Abstract
This paper describes the development and application of a dualoptical probe for local volume fraction, drop velocity and drop sizemeasurements in a kerosene-water liquid-liquid two-phase flow. A samplingtube procedure and interface tests were used to calibrate the leading opticalsensor and both optical sensors for measurements of the local volume fractionand drop velocity as described in this paper. Measurements were carried out ina large-scale vertical two-phase facility mainly at the pipe centre-line todemonstrate the advantages of using optical fibres with normal cut ends in akerosene-water two-phase flow. Finally the applicability of this probe formeasurements in gas-liquid two-phase flows and gas-kerosene-waterthree-phase flows has also been demonstrated.
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