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Momentum, heat, and mass transfer for fixed and homogeneous fluidized beds

✍ Scribed by G. A. Hughmark

Publisher
American Institute of Chemical Engineers
Year
1972
Tongue
English
Weight
445 KB
Volume
18
Category
Article
ISSN
0001-1541

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✦ Synopsis

Abstract

The Carman channel model for flow in packed beds is shown to apply for the minimum fluidization velocity and homogeneous fluidized beds. The channel model also provides correlations for mass transfer in the laminar flow region and heat and mass transfer for turbulent flow in a packed bed. Tube bundle data for pressure drop and heat transfer are also evaluated as a packed bed with the channel model.

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## Abstract Fluidized beds are particularly favored as chemical reactors because of their ability to exchange heat through immersed heat‐exchange surfaces. However, little is known about how the heat‐exchange process works on a single‐particle level. The most commonly applied theory of fluidized be