Abstract
Measuring the process parameters of multiphase flow has remained a widely discussed topic within the field of multiphase flow. The measurement of phase fraction of oil-water two-phase flow with ultrasound attenuation is very difficult due to the nonlinear response to the measuring parameters, and the main attenuation mechanisms are influenced by ultrasonic frequency and particle size distribution. Therefore, the ultrasound propagation at various phase fractions and distributions are investigated by numerical simulations. The relationship between ultrasonic attenuation coefficient and oil phase fraction is analyzed. A simulation model which can reflect the ultrasonic attenuation mechanisms in the phase inversion process is obtained. The oil-water two-phase flow experiments verified the simulation results.
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