Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6588563 | Chemical Engineering Science | 2018 | 16 Pages |
Abstract
An improved liquid distribution model based on a volume cell (LDMvc) was proposed to predict the liquid load distribution in a packed column under offshore conditions. The LDMvc contained four tuning parameters. The LDMvc is an improvement of the existing intersection-based LDM since the number of model tuning parameters is reduced to four through a sophisticated flow split algorithm, and a gas flow distribution model can be associated with the LDMvc. Two experimental columns with inner diameters of 0.133â¯m and 0.4â¯m were packed with Mellapak 500X-like elements for a 1.4â¯m bed height and Mellapak 250X-like elements for a 4â¯m bed height, respectively. The 4â¯m bed height column was built on a sloshing machine to simulate ship movement. The liquid distribution inside the columns was measured using an electrical resistance tomography (ERT) system. The offshore conditions were a permanent tilt ranging from 2 to 6° and a roll motion with three amplitude-period pairs. The LDMvc, after tuning with the experimental data, reliably predicted the liquid load distribution in the packed columns under different tilts and roll motions.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Chemical Engineering (General)
Authors
Yongho Son, Sangyoon Lee, Songhee Han, Donghyun Yang, Kwangjoon Min, Kwang Soon Lee,