Studies on Pressure Drop and Bed Porosity in Liquid Fluidized Beds with Twisted Tape Internals
2011
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.
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