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Keywords = Z-type centripetal

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17 pages, 6421 KiB  
Article
Airflow Distributions in a Z Type Centripetal Radial Flow Reactor: Effects of Opening Strategy and Opening Rate
by Yuchen Xing, Chuanzhao Zhang, Haoyu Wang, Ziyi Li and Yingshu Liu
Processes 2022, 10(7), 1250; https://doi.org/10.3390/pr10071250 - 23 Jun 2022
Cited by 6 | Viewed by 2346
Abstract
Computational fluid dynamics (CFD) was adopted to investigate the influence of the three-section opening strategy in the Z type centripetal radial flow reactor on the uniformity of the gas flow, which aimed to optimize the opening rate of the reactor. The simulation results [...] Read more.
Computational fluid dynamics (CFD) was adopted to investigate the influence of the three-section opening strategy in the Z type centripetal radial flow reactor on the uniformity of the gas flow, which aimed to optimize the opening rate of the reactor. The simulation results showed that as the pore-opening ratio of are 10%, 16% and 29% for three sections from top to bottom of the central channel, the opening rate of the circular channel perforated plate is 10–12%, 21–25% and 30–40% from top to bottom, respectively; the uniformity of the reactor was then achieved. Through the simulation results, it was also found that the change in the opening rate at the center pipe perforated plate had a greater contribution to the gas flow mal-distribution inside the reactor. The contribution of the change in the opening rate of the annular channel perforated plate to the uniformity of the gas flow inside the reactor was smaller than that of the center pipe. Annular channel width should not be smaller, such that gas flow malfunction inside the reactor could be avoided, although high-speed velocity cases were encountered. Full article
(This article belongs to the Section Chemical Processes and Systems)
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