Observation of Cross-Sectional Non-Uniformity in Fluidized Beds using Two Differ

Gas-solid fluidized beds have been used for many decades to achieve good mixing between the solid material and the up-flowing gas. The latest sophisticated imaging techniques, such as tomographic systems, make it possible to analyze and visualize the solid dynamic movement and distribution inside in the bed. Taking fast images of the bed material during the fluidization process with high frequencies of 100 Hz usually does this. The main advantages of the imaging techniques are non-invasive nature, and suitability for industrial application where high temperature and pressure are required.


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