Abstract
In this work the liquid flow in structured packings was investigated using the volume-of-fluid (VoF) method. Along with the fluid dynamics, convective transport of a tracer was studied to determine the residence time. A novel approach for the consideration of surface microstructure and perforations was applied and validated using data obtained with high-resolution computer tomography. Gas-liquid interfacial area, holdup and residence time distributions were well reproduced. The model was then applied to investigate two liquid systems (water and a mixture of water and triethyleneglycol), while two types of the standard packing Sulzer MellapakTM were explored. This allowed to evaluate the effects of liquid properties and geometric packing area on the flow.
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