Combined resistance bubbling bed model for drying of solids in fluidized beds

C. Srinivasakannan; Ahmed A. Al Shoibi; N. Balasubramanian

doi:10.1007/s00231-011-0909-2

Combined resistance bubbling bed model for drying of solids in fluidized beds

C. Srinivasakannan, Ahmed A. Al Shoibi, N. Balasubramanian

Chemical and Petroleum Engineering

Anna University

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Fluidized bed drying kinetics of highly porous material which offers free flow of moisture to surface of the material is modeled utilizing the simplified bubbling bed model. The simplification step utilizes estimation of the overall transfer resistance, by summing all the resistances from the bubble phase to the emulsion phase. The model predictions are compared with the published experimental data covering the operating variables such as the inlet air temperature, the air flow rate, material characteristics and are found to match satisfactorily. The model highlights the importance of bubble size estimation, as it largely dictates the drying kinetics.

Original language	British English
Pages (from-to)	621-625
Number of pages	5
Journal	Heat and Mass Transfer/Waerme- und Stoffuebertragung
Volume	48
Issue number	4
DOIs	https://doi.org/10.1007/s00231-011-0909-2
State	Published - Apr 2012

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abstract = "Fluidized bed drying kinetics of highly porous material which offers free flow of moisture to surface of the material is modeled utilizing the simplified bubbling bed model. The simplification step utilizes estimation of the overall transfer resistance, by summing all the resistances from the bubble phase to the emulsion phase. The model predictions are compared with the published experimental data covering the operating variables such as the inlet air temperature, the air flow rate, material characteristics and are found to match satisfactorily. The model highlights the importance of bubble size estimation, as it largely dictates the drying kinetics.",

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Combined resistance bubbling bed model for drying of solids in fluidized beds

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