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Oil-water two-phase flow is commonly encountered in industrial processes of petroleum and chemical engineering. The process parameters, such as velocity and phase concentration of the mixture are of great importance in both scientific and engineering field. Cross correlation technique is one of the methods of calculating the flow velocity by deriving the transit time of the fluid flowing through a...
A multi-sensor fusion system is applied to the measurement of slug flow in gas/liquid two-phase flow. V-cone meter, correlation technology, cross-section system, and time fusion are adopted in this fusion method. Cross-section sytem is good at the flow regime recognition and cross-section void fraction calculation, while the V-cone meter with its differential pressure model does well in the flow rate...
In petroleum industry, oil-water two-phase flows widely exist in production wells, and their measurements are of significance in oil well logging, transportations and etc. One of the techniques in common use in oil-water two-phase flow measurement is the differential pressure (DP) meters with a theoretic model connecting the mass flowrate of the mixture with the differential pressures generated by...
In modern industrial processes, the accurate measurement of two-phase flow is an important task. Process tomography can provide a distribution information of a two-phase pipe flow. In order to carry out instantaneous flowrate measurements of the gas-liquid two-phase flow in a vertical upward pipe, a dual-plane electrical-resistance-tomography (ERT) system is combined with a cross-correlation technique...
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