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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/524

Title: Prediction of Bed Expansion in Unpromoted and Promoted Gas-Solid Fluidized Beds
Authors: Kumar, A
Roy, G K
Keywords: blade promoter
expansion
gas-solid fluidization
Godard- Richardson equation
rod promoter
unpromoted
Issue Date: 2007
Publisher: Taylor&Francis
Citation: Particulate Science and Technology, Vol 25, Iss 5, P 413 - 424
Abstract: Correlations have been developed for the prediction of bed expansion ratio in the line of the Godard-Richardson equation (1969) for unpromoted as well as promoted beds. The correlation factor 'm' of the Godard-Richardson equation has been expressed as a function of promoter parameters for promoted beds in addition to bed parameters as in the case of unpromoted beds. Three correlations for 'm' have been proposed for unpromoted and promoted beds with rod and blade promoters. The comparison of the results reveals that the Godard-Richardson equation is more suitable for unpromoted beds in the original form. In the case of promoted beds, the prediction deviates from the corresponding experimental values due to poor representation of flow parameter. Hence, the flow parameter of the Godard-Richardson equation has also been modified for beds with rod and blade promoters. A comparison has been made between the predicted values of bed expansion using the modified Godard-Richardson equation and t...
Description: Copyright for this article belongs to Taylor&Francis
URI: http://dx.doi.org/10.1080/02726350701487231
http://hdl.handle.net/2080/524
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