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ERT imaging and linkage to CFD for stirred vessels in the chemical process industry

By: Mann, R.;

2009 / IEEE / 978-1-4244-3482-4

Description

This item was taken from the IEEE Conference ' ERT imaging and linkage to CFD for stirred vessels in the chemical process industry ' Stirred vessels in the chemical process industry are largely devoid of instrumentation, which can visualise the internal concentrations and phase distribution. An electrical resistance tomography (ERT) system installed on a 1 metre / 1 tonne scale pilot plant vessel is described. Some earlier applications showing how fluid mixing and precipitation can be imaged in time and space using solid-body graphics are described based on pseudo-3D assembly of several axial sensing planes. Simplified computational fluid dynamics (CFD) provides a density of predictions, which is commensurate with the multiple interior point detail O (103) furnished by the ERT system. More recent improvements are portrayed, which use full 3D interrogation of the fluid space coupled with fully 3D reconstruction from a set of peripheral measurements. Simplified CFD also emphasises the potential for ERT imaging of batch-fed bioreactors. Potential future developments of this imaging technology are briefly presented.