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ÌâÄ¿£ºOblique fluid flow and heat transfer across a hollow fiber membrane bank under uniform temperature conditions
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Oblique fluid flow and heat transfer across a hollow fiber membrane bank under uniform temperature conditions
By:
Ouyang, YW (Ouyang, Yu-wen) [1]; Li, ZX (Li, Zhen-Xing) [1]; Zhang, LZ (Zhang, Li-Zhi) [1] , [2]
View Web of Science ResearcherID and ORCID (provided by Clarivate) JOURNAL OF MEMBRANE SCIENCE
Volume470
Page524-534
DOI10.1016/j.memsci.2014.07.070
PublishedNOV 15 2014
Indexed2014-10-01
Document TypeArticle
Abstract
Hollow fiber membrane banks have been extensively used in various energy and environmental technologies. Fluid flow and heat and mass transfer in the tube bank have been a focus of study. Previous researches have been focused on either pure parallel flow or pure cross flow. However they are only very ideal flow conditions. This study addresses a more common condition: oblique flow, in which shell side flow impinges the fiber tubes with a skew angle. By solving the fluid flow and heat transfer equations in the shell side, convective coefficients are obtained for impinging angles from 0 degrees to 90 degrees. It is found that the oblique angle influences the heat transfer properties seriously. Heat transfer rates for oblique flows are higher than those for parallel flows but lower than those values for cross flows. Correlations are proposed for the prediction of friction factors and Nusselt numbers at various oblique angles, both for aligned and staggered arrays with various geometrical parameters. Then mass transfer coefficients can be obtained from the calculated Nusselt numbers with heat-mass analogy. (C) 2014 Elsevier B.V. All rights reserved

Keywords
Author KeywordsHollow fiber membraneTube bankOblique flowNusselt numberFriction factor
Keywords PlusCROSS-FLOWMASS-TRANSFERTUBE BANKSLAMINAR-FLOWIN-LINEPRESSURE-DROPCIRCULAR TUBECYLINDERSAIRARRAY
Author Information
Corresponding Address
Zhang, Li-Zhi
(corresponding author)
S China Univ Technol, Sch Chem & Chem Engn, Educ Minist, Key Lab Enhanced Heat Transfer & Energy Conservat, Guangzhou 510640, Guangdong, Peoples R China
Addresses
1 S China Univ Technol, Sch Chem & Chem Engn, Educ Minist, Key Lab Enhanced Heat Transfer & Energy Conservat, Guangzhou 510640, Guangdong, Peoples R China
2 S China Univ Technol, State Key Lab Subtrop Bldg Sci, Guangzhou 510640, Guangdong, Peoples R China
E-mail Addresseslzzhang@scut.edu.cn
Categories/Classification
Research AreasEngineeringPolymer Science
Funding
Funding Table
Funding agency
Grant number
National Natural Science Foundation of China (NSFC)        51376064       
View funding text
Document Information
LanguageEnglish
Accession NumberWOS:000341141800053
ISSN0376-7388
eISSN1873-3123
Other Information
IDS NumberAO2IB
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