Introducing an Innovative Magnetic Induction Tomography System for Measuring Multiphase Flow Density
2022
Taghizadeh-Tameh, Jalil | Mousazadeh, Hossein | rafiee, shahin | Tarabi, Nazilla
: Multiphase flows are a major part of many industrial processes, and therefore their monitoring and control is importance. Density is one of the most important characteristics of fluid and its online measurement is essential for the fluid monitoring and control. In this research, an applied current magnetic induction tomography (AC-MIT) system was designed and constructed to measure the density of multiphase flow in pipeline. The main components of the AC-MIT system include the transmitter and receiver sensors, data acquisition system and problem solving algorithm. In AC-MIT system, innovative transmitter sensors were used, which include two annular electrodes and mounted on the wall of the media. Receiver sensors include a number of coils that are installed around the media. Iterative Gauss-Newton algorithm with Tikhonov regularization method was used to solve the inverse problem. To evaluate performance of the AC-MIT system, Saline water and soil-sand mixture were used as the liquid and solid phase, respectively. The effect of temperature and salinity levels (Five different temperature and salinity levels) was investigated using the response surface method and ANOVA. The results showed that there is a linear relationship between the mass concentrations measured in the two modes (manual measurement and measured by AC-MIT system) with an acceptable coefficient of determination (R2 in the range of 0.98 to 0.99). The results of statistical analysis showed that different levels of temperature and salinity of the carrier phase as well as the interaction of temperature and salinity did not have a significant effect on system performance.
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