Title : Trends in Process Tomography
Tomography system is one of the methods that had been used to construct cross-sectional image from data obtained by the system. Basics concept of tomography is to determine the distributions of materials by obtained the data using sensors that distributed around the periphery of pipeline. Tomographic imaging system designed to analyze the structure and compositions of objects by examining them with waves or radiation and by calculating virtual cross sections through them.Tomographic sensing instrumentation also helps us to visualise the internal characteristics such as to measure the concentration, velocity, mass flow rate, and particle sizes distribution. The development of tomography system divides into three segments where there are sensors, data acquisition system, and software. Tomography system has two main components which is hardware part and software part. For hardware its contain sensors, signal or data control, while software contain signal reconstruction display. For hardware, the right choice of sensors is needed because sensors is the main part in tomography system and it is chosen based on the types of particles or objects that we want to measure whether it is liquid, gas, or multiphase mixture. Sensors perform indirect measurement of the image by detecting the radiation with which the object examined. The signals from sensor usually being amplified, filtered, and multiplex before it send the data to the computer. In this presentation we will discuss the trends of process tomography included the sensors used.
