Numerical Investigation into the Distributor Design in Radial Flow Adsorber
Year: 2019
Author: Yongliang Chen, Yao Li, Haiqing Si, Bing Wang, Haibo Wang, Yingying Shen, Ziqiang Qin
Advances in Applied Mathematics and Mechanics, Vol. 11 (2019), Iss. 6 : pp. 1436–1460
Abstract
Air flow distribution in radial flow adsorber was numerically investigated using computational fluid dynamics (CFD) method, which was proved to be applicable to study the problem of non-uniform distribution in radial flow adsorber. Results showed that the degree of non-uniformity was more serious in desorption process than that is adsorption process. Therefore, it was considered that the non-uniform distribution of flow in a radial flow adsorber was mainly manifested in the desorption process. Optimum design of distributor parameters can improve the flow distribution in adsorber. Meanwhile, three different structures of distributor and the effect of breathing valve were analyzed. Results revealed that truncated cone is more effective than tubular and conical distributors in flow distribution. By inserting the truncated cone in central channel, desorption uniformity was increased by 6.56% and the breakthrough time of CO2 was extended from 564s to 1138s in the adsorption process. The "dead zone" problem at the top of adsorber during the desorption process was solved by opening breathing valve, which prolonged the working life of adsorber and was proved to have less effect on the uniform of airflow.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/aamm.OA-2019-0001
Advances in Applied Mathematics and Mechanics, Vol. 11 (2019), Iss. 6 : pp. 1436–1460
Published online: 2019-01
AMS Subject Headings: Global Science Press
Copyright: COPYRIGHT: © Global Science Press
Pages: 25
Keywords: CFD method air separation radial flow adsorber adsorption desorption.
Author Details
Yongliang Chen Email
Yao Li Email
Haiqing Si Email
Bing Wang Email
Haibo Wang Email
Yingying Shen Email
Ziqiang Qin Email
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