Characterization of Bubble Column Using Electrical Resistance Tomography and Image Processing

Vudikala, C (2014) Characterization of Bubble Column Using Electrical Resistance Tomography and Image Processing. Masters thesis, Indian Institute of Technology, Hyderabad.

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Abstract

Bubble columns are widely used a gas-liquid contactors in industrial processes for carrying out gas-liquid two phase and gas-liquid-solid three phase contacting operation in the areas of chemical, petrochemical, biochemical and environmental engineering applications. There are many techniques available to measure the characteristics of the flow in the bubble column.Electrical tomography (ERT, ,ECT and EIT), PIV, X-Ray tomography and the gamma ray tomography are some of the techniques used to measure the internal flow dynamics non intrusively. A high speed dual plane electrical resistance tomography (ERT) system and high speed video camera were applied to a bubble column for the estimation of time averaged gas hold-up and bubble size distribution (BSD) respectively.

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