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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 flowrate measurement method for air-water two-phase flow is developed using an Electrical Resistance Tomography (ERT) sensor and a Venturi meter. With the conductance values measured by the ERT sensor, the real-time flow pattern is identified and the voidage is also calculated. The Butterworth correlation is applied to calculate the mass quality from the voidage value, and then six Venturi measurement...
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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