Studies on Pressure Drop and Bed Porosity in Liquid Fluidized Beds with Twisted Tape Internals
The IUP Journal of Chemical Engineering, Vol. III, No. 3, September 2011, pp. 30-44
Posted: 5 Jul 2012
Date Written: September 1, 2011
Abstract
Pressure drop and bed porosity data have been obtained in a liquid fluidized bed in the presence of a twisted tape internal. Glass spheres of diameters 3.13, 4.57 and 6.29 mm were employed as bed material. Tape width varied from 2 to 4 cm and the tape pitch from 11 cm to . The modified friction factor increased with increasing particle diameter. Increase in tape pitch caused a decrease in modified friction factor. The bed porosity decreased with increase in particle diameter. The influence of tape pitch and tape width on bed porosity was observed to be insignificant.
Keywords: Pressure drop, Bed porosity, Twisted tape, Modified friction factor, Fluidized bed
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