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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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baiyuefei
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- Ó¦Öú: 4642 (¸±½ÌÊÚ)
- ¹ó±ö: 46.969
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- É¢½ð: 11616
- ºì»¨: 995
- ɳ·¢: 81
- Ìû×Ó: 69405
- ÔÚÏß: 13314.9Сʱ
- ³æºÅ: 676696
- ×¢²á: 2008-12-18
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- רҵ: ºÏ³ÉÒ©Îﻯѧ
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oven1986(sunshan4379´ú·¢): ½ð±Ò+8 2022-04-02 15:31:20
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oven1986(sunshan4379´ú·¢): ½ð±Ò+8 2022-04-02 15:31:20
sunshan4379: LS-EPI+1, ¸ÐлӦÖú! 2022-04-02 15:31:31
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