微通道气液两相流研究进展

doi:10.16085/j.issn.1000-6613.2016-2382

摘要/Abstract

摘要： 介绍了国内外微化工发展背景及发展现状，微通道内气液两相流流动气泡特性和传质特性。微通道中（横向及竖向微通道）气液两相流流型划分主要有泡状流、弹状流、环状流、搅拌流等。气泡形成过程中流体挤压力对气泡表面进行破坏致使分离，表面张力则在整个过程中维持着气泡形状及长度。着重介绍了微通道内气泡形成过程及经验长度计算，比较了不同研究者提出的经验公式中气液相表观速度比和气泡长度的关系，得出气泡长度均随气液相表观速度比的增加而增加，但依据研究者实验条件不同增加趋势也不尽相同。传质方面，研究基本集中在气液相比表面积较大的泡状流、环状流上，而气液表观速度、当量直径、压强等都会影响传质系数。微通道气液两相流虽然在传热、传质方面有很大的应用前景，但仍存在研究手段单一、理论数据不完善等问题，指出在未来的研究中研究者们要扩大领域范围，为传质传热的实际应用提供更可靠的理论依据。

关键词: 微通道, 气液两相流, 流型, 气泡长度, 传质

Abstract: Detailed description of the background and application of the micro-chemicals, Bubble characteristics and mass transfer in micro-channels are also reviewed.Introduce the gas-liquid two-phase flow pattern, formation process and influencing factors of it in micro-channels (horizontal and vertical micro-channels).Focus on the introduction of the bubble formation and empirical formula of bubbles length.Compared the relationship between gas-liquid flow ratio and the bubble length in empirical formula of various researches.The results show that the bubble length increases with the increase of velocity gas-liquid flow ratio, but the increasing trend is not the same according to the experimental conditions of the researchers.For mass transfer, the study basically focused on the bubble flow and the annular flow which have larger specific surface area.Although gas-liquid two-phase flow in micro-channels has a great application prospects in the heat transfer, mass transfer.there are still some problems like research method singleness and theoretical data is not perfect.It is pointed out that in the future research,the researchers should expand the scope of the field and provide a more reliable theoretical basis for the practical application of mass transfer.

Key words: micro-channel, gas-liquid two-phase flow, flow pattern, bubble length, mass transfer

中图分类号:

TQ021.4

王长亮, 靳遵龙, 王永庆, 王定标. 微通道气液两相流研究进展[J]. 化工进展, 2017, 36(S1): 1-7.

WANG Changliang, JIN Zunlong, WANG Yongqing, WANG Dingbiao. Research progress of gas-liquid two-phase flow in micro-channels[J]. Chemical Industry and Engineering Progress, 2017, 36(S1): 1-7.

参考文献

[1] JAN Fluitman.Microsystems technology:objectives[J].Elsevier Science S.A,1996,56(1-2):151-166.
[2] 林忠华,胡国清,刘文艳,等.微机电系统的发展及其应用[J].纳米技术及精密工程.2004,2(2):117-123. LIN Zhonghua,HU Guoqing,LIU Wenyan,et al.Development and Application of Micro-Electro-Mechanical System[J].Nanotechnology and Precision Engineering.2004,2(2):117-123.
[3] 孟晶,许春华.微化工:开启高效精益生产新模式[J].中国橡胶,2015,31(21):13-14. MENG Jing,XU Chunhua.Start new lean production mode[J].China Rubber,2015,31(21):13-14.
[4] LI Shaowei,XU Jianghong,WANG Yujun,et a1.Micromixing scale controlling and its effect on micro-mixing performance[J].Chemical Engineering Science,2007,62(13):3620-3626.
[5] 骆广生,徐建鸿,李少伟,等.微结构设备内液.液两相流行为研究及其进展[J].现代化工,2006,26(3):19-23. LUO Guangsheng,XU Jianhong,LI Shaowei,et al.Research and development of two-liquid phase flow in micro-structured devices[J].Modern Chemical Industry.2006,26(3):19-23.
[6] WU Wwei,QIAN Gang,ZHOU Xing-gui,et a1.Peroxidization of methyl ethyl ketone in a microchannel reactor[J].Chemical Engineering Science,2007,62(18):5127-5132.
[7] 涂善东,周帼彦,于新海.化学机械系统的微小化与节能[J].化工进展,2007,26(2):253-261. TU Shandong,ZHOU Jinyan,YU Xinhai.Micromini-aturization of chemo-mechanical system and energy conservation[J].Chemical Industry and Engineering Progress,2007,26(2):253-261.
[8] 过增元.国际传热研究前沿——微细尺度传热[J].力学进展,2000,30(1):1-6. GUO Zengyuan.Frontier of heat transfer-microscale heat transfer[J].Advances in Mechanics,2000,30(1):1-6.
[9] 乐军,陈光文,袁权等.微通道内气-液传质研究[J].化工学报,2006,57(6):1296-1303. LE Jun,CHEN Guangwen,YUAN Quan,et al.Mass transfer in gas-liquid flow in micro-channels[J].Journal of Chemical Industry and Engineering(China),2006,5(6):1296-1303.
[10] TRIPLETT K A,GHIAASIAN S M,ABDEL-KHALIK SI,et al.Gas-liquid two-phase flow in microchannels Part I:Two-phase flow patterns[J].International Journal of Multiphase Flow,1999,25(3):377-394.
[11] CHEN W L,TWU M C,PAN C.Gas-liquid two-phase flow in micro-channels[J].International Journal of Multiphase Flow,2002,28(7):1235-1247.
[12] SERIZAWA A,FENG Z,KAWARA Z,Two-phase flow in microchannels[J].Experimental Thermal and Fluid Science,2002,26:703-714.
[13] BARAJAS A M,PANTON R L.The effect of contact angle on two-phase flow in capillary tubes[J].International Journal of Multiphase Flow 19,337-346.
[14] LIU Dingsheng,WANG Shudong.Flow pattern and pressure drop of upward two-phase flow in vertical capillaries[J].Industrial and Engineering Chemistry Research,2008,47(2):243-255.
[15] BISWAS J,GREENFIELD P F.Two phase flow through vertical capillaries-existence of a stratified flow pattern[J].International Journal of Multiphase Flow,1985,11(4):553-563.
[16] GALBIATI L,ANDREINI P.Flow pattern transition for vertical downward two-phase flow in capillary tubes.Inlet mixing effects[J].International Communications in Heat and Mass Transfer,1992,19(6):791-799.
[17] CUBAUD T,HO C M,Transport of bubbles in square micro-channels[J].Physics of Fluids,2004,16(12):4575-4585.
[18] 袁希钢,宋文琦.T型结构微通道气液两相流型的数值模拟[J].天津大学学报,2012,45(9):758-763. YUAN Xigang,SONG Wenqi.Numerical simulation of gas-liquid two-phase flow pattern in T-juction microchannel[J].Journal of Tianjing University.2012(45):758-763.
[19] LEE C Y,LEE S Y.Influence of surface wet-ability on transition of two-phase flow pattern in round mini-channels[J].International Journal of Multiphase Flow,2008(34):706-711.
[20] DAI L,CAI W,XIN F.Numerical study on bubbleformation of a gas-liquid flow in a T-junction micro-channel[J].Chemical Engineering and Technology,2009,32(12):1984.
[21] 王琳琳,李国君,田辉,等.T型微通道内气液两相流数值模拟[J].西安交通大学学报,2011,45(9):65-69. WANG Linlin,LI Guojun,TIAN Hui,et al.Numerical simulation of gas-liquid two-phase flow in a T-junction micro-channel[J].Journal of Xi'an JIAOTONG University,2011,45(9):65-69.
[22] QIAN Dongying,LAWAL Adeniyi.Numerical study on gas and liquid slugs for Taylor flow in a T-junction micro-channel[J].Chemical Engineering Science,2006,61(23):7609-7625.
[23] GUO Fang,CHEN Bin.Numerical study on taylor bubble formationin a micro-channel T-junction using VOF method[J].Microgravity Science and Technology,2009(21):S51-S58.
[24] GARSTECKI P,FUERSTMAN M J,STONE H A,et al.Formation of droplets and bubbles in a microfluidic T-junction-scaling and mechanism of break-up[J].Lab on A Chip,2006(6):437-446.
[25] STEIJN V V,KREUTZER M T,KLEIJIN C R.Mu-PIV study of the formation of segmented flow in micro-fluidic T-junctions[J].Chemical Engineering Science,2007(62):7505-7514.
[26] YAO C Q,ZHAO Y C,YE C B,et al.Characteristics of slug flow with inertial effects in a rectangular micro-channel[J].Chemical Engineeringence,2013,95:246-256.
[27] 夏国栋,刘亮,马重芳,等.气液两相弹状流动的实验研究-液弹长度及Taylor气泡长度份额[J].北京工业大学学报,2000,26(2):35-38. XIA Guodong,LIU Liang,MA Zhongfang,et al.An experimental study on gas liquid two-phase slug flow-liquid slug length and the fraction of taylor[J].Journal of Beijing Polytechnic University,2000,26(2):35-38.
[28] CUBAUD T,TATINENI M,ZHONG X,et al.Bubble dispenser in microfluidic devices[J].Physical Rview E,2005(72):631-641.
[29] XIONG R,CHUNG J N.Bubble generation and transport in a microfluidic device with high aspect ratio[J].Experimental Thermal and Fluid Science,2009,33(8):1156-1162.
[30] FU T,MA Y,FUNFSCHILLING D,et al. Squeezing-to-dripping transition for bubble formation in a microfluidic T-junction[J].Chemical Engineering Science,2010,65(12):3739-3748.
[31] FU T,FUNFSCHILLING D,MA Y,et al. Scaling the formation of slug bubbles in microfluidic flow-focusing devices[J].Microfluid and Nanofluidics,2010,8(4):467-475.
[32] 聂晶尧,宋宏宇,袁向前,等.微通道中两相流压降与传质的研究[J].化学反应工程与工艺,2007,23(4):309-314. NIE Jingyao,SONG Hongyu,YUAN Xiangqian,et al.Study on two-phase flow pressure drop and mass transfer in parallel micro-channels[J].Chemical Reaction Engineering and Technology,2007,23(4):309-314.
[33] TORTOPIDIS P,BONTOZOGLOU V. Mass transfer in gas-liquid flow in small-diameter tubes[J].Chemical Engineering Science,1997,52(14):2231-2237.
[34] JEPSEN C J.Mass transfer in two-phase flow in horizontal pipelines[J].AICHE Journal,1970,16(5):705-711.
[35] 付涛涛,朱春英,王东继,等.微通道内气液传质特性[J].化工进展,2011,30(s2):65-69. FU taotao,ZHU Chunying,WANG Dongji,et al.Mass transfer charactertics for gas-liquid two-phase flow in microchannels[J].Chemical Industry and Engineering Progress,2011,30(s2):65-69.
[36] YUE J,CHEN G,YUAN Q,et al. Hydrodynamics and mass transfer characteristics in gas-liquid flow through a rectangular microchannel[J].Chemical Engineering Science,2007,62(7):2096-2108.
[37] NIU H N,PAN L W,SU H J,et al.Flow pattern,pressure drop,and mass transfer in a gas-liquid concurrent two-phase flow microchannel[J].Reactor Industrial &Engineering Chemistry Research,2009,28(7):1621-1628.
[38] NIU H N,PAN L W,SU H J,et al.Effects of design and operating parameters on CO₂[J].Chemical Engineering Science,2009,64(16):3697-3708.
[39] BURNS J R,RAMSHAW C.The intensification of rapid reactions in multiphase systems using slug flow in capillaries[J].Lab on A Chip,2001,1(1):10-15.
[40] 乐军,陈光文,袁权,等.微通道内气-液传质研究[J].化工学报,2006,57(6):1296-1303. LE Jun,CHEN Guangwen,YUAN Quan,et al.Mass transfer in gas-liquid flow in microchannels[J].Journal of Chemical Industry and Engineering(China),2006,57(6):1296-1303.
[41] ZANFIR M,GAVRⅡLIDIS A.Carbon dioxide absorption in a falling film microstructured reactor:experiments and modeling[J].Industrial Engineering Chemistry Research,2005,44(6):1742-175.
[42] 何雅玲,李庆,王勇等.格子Boltzmann方法的工程热物理应用[J].科学通报,2009,54(18):2638-2656. HE Yaling,LI Qing,WANG Yong,et al.Lattice Boltzmann method and its applications in engineering thermophysics[J].Science Bulletin,2009,54(18):2638-2656.