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Energy and the Environment, 1998

ISBN Print: 1-56700-127-0

PREDICTION OF BUBBLE DYNAMICS IN A FLUIDIZED BED BY THE MEASUREMENT OF PRESSURE OSCILLATIONS

Abstract

In the present study, the pressure fluctuations in a two-dimensional transparent fluidized bed are measured by a pressure transducer such that the bubble formation and movement can be detected from the signals. Bubble movement is recorded by a video camera and signals obtained from the pressure transducer are stored in a computer. Bubble diameters and rise velocities are determined from pressure-time data utilizing image and signal processing techniques.
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