Pressure Drop and Liquid Holdup -current Gas-Liquid Downflow of Air-CMC Solutions through Packed Beds

P. E. Jagadeesh Babu, A. Arunagiri, I. Reghupathi and T. Murugesan

Abstract
The present available experimental data on liquid holdup (735 data points) and pressure drop (863 data points) in co-current gas-liquid downflow through packed beds obtained using air-non-Newtonian (w = 0.2 %, 0.5 %, 0.8 % and 1 % CMC) solutions, were analyzed for their dependency on the system variables. Modified Reynolds number and Morton’s number involving flow consistency index (k) and flow behavior index (n), along with other variables were used for the development of unified correlations to represent the available data.

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Keywords
Packed bed contactors, two-phase downflow, liquid holdup, pressure drop