Forschungs- & Entwicklungsinformationsdienst der Gemeinschaft - CORDIS

Electrical capacitance tomography for noninvasive real time imaging of the contents of pipes and tanks up to 100 frames per second

Compared with medical tomography systems, capacitance tomography systems produce relatively low resolution images, but at high speed and at a fraction of the cost of medical systems. They are suitable for use in aggressive industrial environments and provide a cost effective solution for producing images of multiphase components and flows. Where the dielectric constants of the individual components in the vessel are known, the relative quantities (volumetric ratios) of the different materials inside the vessel can be determined in real time. Applications identified to date include powder conveying, flame, combustion and explosion imaging, mineral processing, fluidized bed imaging, wood rot assessment, hydrate formation and catalyst structure imaging. In general, the capacitance tomography system can be used to monitor any process where the fluid to be observed has low electrical conductivity.

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