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For the traditional electrical resistance tomography systems, the contact between the electrodes and liquid may result in electrode corrosion, which limits the application of ERT in industry. In this paper, a new electrical resistance tomography system based on capacitively coupled contactless conductivity technique was developed. The conductivity distribution of liquid between electrodes can be measured...
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...
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