Chemical Reactor Characterization by CT

Fluidized beds, slurries and many other multiphase flows are opaque and the powerful, laser based techniques of fluid mechanics can not be used to characterize these systems. However, solids are to some extent transparent to electrical fields and radiation such as 7- and X-rays that may penetrate these multiphase systems [147]. 

More recently, Wang et al. [212] proposed the electrical capacitance volume tomography (ECVT) to obtain instantaneous 3D images. 

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