Abstract

Measuring the velocity of materials that flow through pipelines or vessels in a process plant is a critical need as it can help to control the process as well as to assure an optimum flow condition. There is a wide variety of measurement systems and each design depends greatly on the properties and behaviour of the materials of the investigated flow. The rapid growth of the chemical manufacturing industry over recent years has widened the already large spectrum of different multiphase flow types and has simultaneously led to insistent demands for accurate and efficient multiphase flow measurement systems. A literature study with the objective of finding the most suitable method for a palm oil monitoring system case study is presented in this paper, which it reviews briefly the existing multiphase flow velocity measurement techniques and will focus on electrical tomography systems for process flow velocity measurement. An analysis of different principles for determining the velocity of multiphase flow will be made in order to select a possible improvement that can be applied to a developed Electrical Capacitance Tomography system in palm oil quality control units.

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