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Investigation on pressure drop characteristic and mass transfer performance of gas-liquid flow in micro-channels
Alternative TitleMicrofluid. Nanofluid.
Wang, Xi; Yong, Yumei; Yang, Chao; Mao, Zai-Sha; Li, Dandan
2014
Source PublicationMICROFLUIDICS AND NANOFLUIDICS
ISSN1613-4982
Volume16Issue:1-2Pages:413-423
AbstractPressure drop characteristics and mass transfer performance of gas-liquid two-phase flow in micro-channels with different surface wettabilities were experimentally investigated. Side-entry T micro-channel mixers made of glass and polydimethylsiloxane were tested. Frictional pressure drop was found to decrease as the hydrophobicity of the channel surface increased. The flow patterns observed in the experiment were classified as slug flow and continuous gas phase flows. The modified Hagen-Poiseuille equation and Lockhart-Martinelli model were developed to predict the pressure drop for these two types of flow, respectively. The effect of surface wettability was heuristically incorporated in the present models which can correlate well the experimental results. Mass transfer performance was studied by the physical absorption of oxygen into de-ionized water. The results show that the volumetric mass transfer coefficients in hydrophobic micro-channels are generally higher than those in hydrophilic ones. The empirical correlations of overall volumetric mass transfer coefficients were proposed.; Pressure drop characteristics and mass transfer performance of gas-liquid two-phase flow in micro-channels with different surface wettabilities were experimentally investigated. Side-entry T micro-channel mixers made of glass and polydimethylsiloxane were tested. Frictional pressure drop was found to decrease as the hydrophobicity of the channel surface increased. The flow patterns observed in the experiment were classified as slug flow and continuous gas phase flows. The modified Hagen-Poiseuille equation and Lockhart-Martinelli model were developed to predict the pressure drop for these two types of flow, respectively. The effect of surface wettability was heuristically incorporated in the present models which can correlate well the experimental results. Mass transfer performance was studied by the physical absorption of oxygen into de-ionized water. The results show that the volumetric mass transfer coefficients in hydrophobic micro-channels are generally higher than those in hydrophilic ones. The empirical correlations of overall volumetric mass transfer coefficients were proposed.
KeywordFriction Pressure Drop Mass Transfer Micro-channel Multiphase Flow Wettability
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1007/s10404-013-1226-5
URL查看原文
Indexed BySCI
Language英语
WOS KeywordROUND MINI-CHANNELS ; 2-PHASE FLOW ; SURFACE WETTABILITY ; CAPILLARY TUBES ; VOID FRACTION ; MICROCHANNELS ; PATTERN ; TRANSITION ; BUBBLES ; SLIP
WOS Research AreaScience & Technology - Other Topics ; Instruments & Instrumentation ; Physics
WOS SubjectNanoscience & Nanotechnology ; Instruments & Instrumentation ; Physics, Fluids & Plasmas
WOS IDWOS:000329406900039
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/8131
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xi,Yong, Yumei,Yang, Chao,et al. Investigation on pressure drop characteristic and mass transfer performance of gas-liquid flow in micro-channels[J]. MICROFLUIDICS AND NANOFLUIDICS,2014,16(1-2):413-423.
APA Wang, Xi,Yong, Yumei,Yang, Chao,Mao, Zai-Sha,&Li, Dandan.(2014).Investigation on pressure drop characteristic and mass transfer performance of gas-liquid flow in micro-channels.MICROFLUIDICS AND NANOFLUIDICS,16(1-2),413-423.
MLA Wang, Xi,et al."Investigation on pressure drop characteristic and mass transfer performance of gas-liquid flow in micro-channels".MICROFLUIDICS AND NANOFLUIDICS 16.1-2(2014):413-423.
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