化学工业与工程
Home  |   |  About Journal  |  Editorial Board  |  Instruction  |  Subscriptions  |  Download  |  Publication Ethics  |  Contacts Us  |  Chinese
Chemcial Industry and Engineering 2018, Vol. 35 Issue (4) :58-65    DOI: 10.13353/j.issn.1004.9533.20161062
Current Issue | Next Issue | Archive | Adv Search << | >>
Impact of Length of Baffle in Structured Packing on Pressure Drop and Mass Transfer
Yu Ru, Zhu Huiming
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

Abstract
Reference
Related Articles
Download: PDF (2261KB)   HTML ()   Export: BibTeX or EndNote (RIS)      Supporting Info
Abstract 

Mass transfer occurs on the wall, two stands of gas collide in channels and form vortexes which strengthen mass transfer, consume lots of energy and increase pressure drop. To decrease pressure drop, a novel structured packing with a baffle in the middle of each mass transfer unit named Mon-JKB-250Y was developed. CFD (Computational Fluid Dynamics) results show that as the length increases, pressure drop decreases, gas-side total mass transfer efficiency improves and mass transfer coefficient at per pressure drop increases at first and then decreases. There is a best length of baffle.When F=1.2-2.7 m·s-1· (kg·m-3)0.5, mass transfer coefficient at per pressure drop reaches its maximum when the length is 14.7-16.8 mm. Chromochemical reactive flow visualization technique was employed to verify CFD results. Average relative error is less than 10%, which confirms that CFD simulation results are reliable.

Service
Email this article
Add to my bookshelf
Add to citation manager
Email Alert
RSS
Articles by authors
Yu Ru
Zhu Huiming
Keywordsstructured packing;   computational fluid dynamics;   chemical reaction;   flow visualization;   pressure drop;   mass transfer     
Received 2016-04-10;
About author:
Cite this article:   
Yu Ru, Zhu Huiming.Impact of Length of Baffle in Structured Packing on Pressure Drop and Mass Transfer[J]  Chemcial Industry and Engineering, 2018,V35(4): 58-65
Copyright 2010 by Chemcial Industry and Engineering