Scaling of the bubble/slug length of Taylor flow in a meandering microchannel

doi:10.1016/j.cjche.2018.12.008

中国化学工程学报 ›› 2019, Vol. 27 ›› Issue (11): 2615-2625.DOI: 10.1016/j.cjche.2018.12.008

• Fluid Dynamics and Transport Phenomena • 下一篇

Scaling of the bubble/slug length of Taylor flow in a meandering microchannel

Qianqing Liang^1,2, Xuehu Ma¹, Kai Wang¹, Jiang Chun¹, Zhong Lan¹, Tingting Hao¹, Yaxiong Wang²

1 Liaoning Key Laboratory of Clean Utilization of Chemical Resources, Institute of Chemical Engineering, Dalian University of Technology, Dalian 11624, China;
2 School of Chemical Engineering, Inner Mongolia University of Science & Technology, Inner Mongolia, Baotou 014010, China

收稿日期:2018-10-19 修回日期:2018-11-29 出版日期:2019-11-28 发布日期:2020-01-19
通讯作者: Xuehu Ma
基金资助:
Supported by the National Natural Science Foundation of China (21476037, 21606034).

Scaling of the bubble/slug length of Taylor flow in a meandering microchannel

Qianqing Liang^1,2, Xuehu Ma¹, Kai Wang¹, Jiang Chun¹, Zhong Lan¹, Tingting Hao¹, Yaxiong Wang²

1 Liaoning Key Laboratory of Clean Utilization of Chemical Resources, Institute of Chemical Engineering, Dalian University of Technology, Dalian 11624, China;
2 School of Chemical Engineering, Inner Mongolia University of Science & Technology, Inner Mongolia, Baotou 014010, China

Received:2018-10-19 Revised:2018-11-29 Online:2019-11-28 Published:2020-01-19
Contact: Xuehu Ma
Supported by:
Supported by the National Natural Science Foundation of China (21476037, 21606034).

摘要/Abstract

摘要： In order to reduce or avoid the fluctuations from interface breakup, a meandering microchannel with curved multi-bends (44 turns) is fabricated, and investigations of scaling bubble/slug length in Taylor flow in a rectangular meandering microchannel are systematically conducted. Based on considerable experimental data, quantitative analyses for the influences of two important characteristic times, liquid phase physical properties and aspect ratio are made on the prediction criteria for the bubble/slug length of Taylor flow in a meandering microchannel. A simple principle is suggested to predict the bubble formation period by using the information of Rayleigh time and capillary time for six gas-liquid systems with average deviation of 10.96%. Considering physical properties of the liquid phase and cross-section configuration of the rectangular mcirochannel, revised scaling laws for bubble length are established by introducing Ca, We, Re and W/h whether for the squeezing-driven or shearing-driven of bubble break. In addition, a simple principle in terms of Garstecki-type model and bubble formation period is set-up to predict slug lengths. A total of 107 sets of experimental data are correlated with the meandering microchannel and operating range:0.001 < Ca_TP < 0.05, 0.06 < We_TP < 9.0, 18 < Re_TP < 460 using the bubble/slug length prediction equation from current work. The average deviation between the correlated data and the experimental data for bubble length and slug length is about 9.42% and 9.95%, respectively.

关键词: Meandering rectangular micro-channel, T-junction, Fluid properties, Bubble breakup mode, Bubble/slug length

Abstract: In order to reduce or avoid the fluctuations from interface breakup, a meandering microchannel with curved multi-bends (44 turns) is fabricated, and investigations of scaling bubble/slug length in Taylor flow in a rectangular meandering microchannel are systematically conducted. Based on considerable experimental data, quantitative analyses for the influences of two important characteristic times, liquid phase physical properties and aspect ratio are made on the prediction criteria for the bubble/slug length of Taylor flow in a meandering microchannel. A simple principle is suggested to predict the bubble formation period by using the information of Rayleigh time and capillary time for six gas-liquid systems with average deviation of 10.96%. Considering physical properties of the liquid phase and cross-section configuration of the rectangular mcirochannel, revised scaling laws for bubble length are established by introducing Ca, We, Re and W/h whether for the squeezing-driven or shearing-driven of bubble break. In addition, a simple principle in terms of Garstecki-type model and bubble formation period is set-up to predict slug lengths. A total of 107 sets of experimental data are correlated with the meandering microchannel and operating range:0.001 < Ca_TP < 0.05, 0.06 < We_TP < 9.0, 18 < Re_TP < 460 using the bubble/slug length prediction equation from current work. The average deviation between the correlated data and the experimental data for bubble length and slug length is about 9.42% and 9.95%, respectively.

Key words: Meandering rectangular micro-channel, T-junction, Fluid properties, Bubble breakup mode, Bubble/slug length

Qianqing Liang, Xuehu Ma, Kai Wang, Jiang Chun, Zhong Lan, Tingting Hao, Yaxiong Wang. Scaling of the bubble/slug length of Taylor flow in a meandering microchannel[J]. 中国化学工程学报, 2019, 27(11): 2615-2625.

Qianqing Liang, Xuehu Ma, Kai Wang, Jiang Chun, Zhong Lan, Tingting Hao, Yaxiong Wang. Scaling of the bubble/slug length of Taylor flow in a meandering microchannel[J]. Chinese Journal of Chemical Engineering, 2019, 27(11): 2615-2625.

参考文献

[1] J. Guzowski, P. Garstecki, Droplet clusters:exploring the phase space of soft mesoscale atoms, Phys. Rev. Lett. 114(2015), 188302.
[2] M. Costantini, C. Colosi, J. Jaroszewicz, A. Tosato, W. Swieszkowski, M. Dentini, P. Garstecki, A. Barbetta, Microfluidic foaming:a powerful tool for tailoring the morphological and permeability properties of sponge-like biopolymeric scaffolds, ACS Appl. Mater. Interfaces 7(2015) 23660-23671.
[3] T. Hao, X. Ma, Z. Lan, R. Jiang, X. Fan, Analysis of the transition from laminar annular flow to intermittent flow of steam condensation in noncircular microchannels, Int. J. Heat Mass Transf. 66(2013) 745-756.
[4] T. Hao, X. Ma, Z. Lan, N. Li, Y. Zhao, H. Ma, Effects of hydrophilic surface on heat transfer performance and oscillating motion for an oscillating heat pipe, Int. J. Heat Mass Transf. 72(2014) 50-65.
[5] A. Faridkhou, J.-N. Tourvieille, F. Larachi, Reactions, hydrodynamics and mass transfer in micro-packed beds-Overview and new mass transfer data, Chem. Eng. Process. Process Intensif. 110(2016) 80-96.
[6] O. Cybulski, S. Jakiela, P. Garstecki, Between giant oscillations and uniform distribution of droplets:The role of varying lumen of channels in microfluidic networks, Phys. Rev. E Stat. Nonlin. Soft Matter Phys. 92(2015), 063008.
[7] M. Costantini, C. Colosi, J. Guzowski, A. Barbetta, J. Jaroszewicz, W. Święszkowski, M. Dentini, P. Garstecki, Highly ordered and tunable polyHIPEs by using microfluidics, J. Mater. Chem. B 2(2014) 2290.
[8] J. Atencia, D.J. Beebe, Controlled microfluidic interfaces, Nature 437(2005) 648-655.
[9] M.T. Kreutzer, F. Kapteijn, J.A. Moulijn, J.J. Heiszwolf, Multiphase monolith reactors:Chemical reaction engineering of segmented flow in microchannels, Chem. Eng. Sci. 60(2005) 5895-5916.
[10] P. Sobieszuk, J. Aubin, R. Pohorecki, Hydrodynamics and mass transfer in gas-liquid flows in microreactors, Chem. Eng. Technol. 35(2012) 1346-1358.
[11] J.H. Xu, S.W. Li, Y.J. Wang, G.S. Luo, Controllable gas-liquid phase flow patterns and monodisperse microbubbles in a microfluidic T-junction device, Appl. Phys. Lett. 88(2006), 133506.
[12] J. Tan, S.W. Li, K. Wang, G.S. Luo, Gas-liquid flow in T-junction microfluidic devices with a new perpendicular rupturing flow route, Chem. Eng. J. 146(2009) 428-433.
[13] X.-B. Li, F.-C. Li, J.-C. Yang, H. Kinoshita, M. Oishi, M. Oshima, Study on the mechanism of droplet formation in T-junction microchannel, Chem. Eng. Sci. 69(2012) 340-351.
[14] T. Fu, Y. Ma, Bubble formation and breakup dynamics in microfluidic devices:A review, Chem. Eng. Sci. 135(2015) 343-372.
[15] P. Garstecki, M.J. Fuerstman, H.A. Stone, G.M. Whitesides, Formation of droplets and bubbles in a microfluidic T-junction-scaling and mechanism of break-up, Lab Chip 6(2006) 437-446.
[16] M. De Menech, P. Garstecki, F. Jousse, H.A. Stone, Transition from squeezing to dripping in a microfluidic T-shaped junction, J. Fluid Mech. 595(2008) 141-161.
[17] T. Fu, Y. Ma, D. Funfschilling, C. Zhu, H.Z. Li, Squeezing-to-dripping transition for bubble formation in a microfluidic T-junction, Chem. Eng. Sci. 65(2010) 3739-3748.
[18] V. van Steijn, M.T. Kreutzer, C.R. Kleijn, -PIV study of the formation of segmented flow in microfluidic T-junctions, Chem. Eng. Sci. 62(2007) 7505-7514.
[19] J. Yue, L. Luo, Y. Gonthier, G. Chen, Q. Yuan, An experimental investigation of gas-liquid two-phase flow in single microchannel contactors, Chem. Eng. Sci. 63(2008) 4189-4202.
[20] Y. Chaoqun, Z. Yuchao, Y. Chunbo, D. Minhui, D. Zhengya, C. Guangwen, Characteristics of slug flow with inertial effects in a rectangular microchannel, Chem. Eng. Sci. 95(2013) 246-256.
[21] T. Thorsen, R.W. Roberts, F.H. Arnold, S.R. Quake, Dynamic pattern formation in a vesicle-generating microfluidic device, Phys. Rev. Lett. 86(2001) 4163-4166.
[22] J. Husny, J.J. Cooper-White, The effect of elasticity on drop creation in T-shaped microchannels, J. Non-Newtonian Fluid Mech. 137(2006) 121-136.
[23] A. Leclerc, R. Philippe, V. Houzelot, D. Schweich, C. de Bellefon, Gas-liquid Taylor flow in square micro-channels:New inlet geometries and interfacial area tuning, Chem. Eng. J. 165(2010) 290-300.
[24] R. Xiong, J.N. Chung, Bubble generation and transport in a microfluidic device with high aspect ratio, Exp. Thermal Fluid Sci. 33(2009) 1156-1162.
[25] C. Yao, Z. Dong, Y. Zhao, G. Chen, The effect of system pressure on gas-liquid slug flow in a microchannel, AIChE J. 60(2014) 1132-1142.
[26] D. Qian, A. Lawal, Numerical study on gas and liquid slugs for Taylor flow in a T-junction microchannel, Chem. Eng. Sci. 61(2006) 7609-7625.
[27] S. Haase, Characterisation of gas-liquid two-phase flow in minichannels with co-flowing fluid injection inside the channel, part II:Gas bubble and liquid slug lengths, film thickness, and void fraction within Taylor flow, Int. J. Multiphase Flow 88(2017) 251-269.
[28] H.B. Ma, Oscillating Heat Pipes, Springer, New York Heidelberg Dordrecht London, 2015.
[29] S. Rittidech, N. Pipatpaiboon, P. Terdtoon, Heat-transfer characteristics of a closed-loop oscillating heat-pipe with check valves, Appl. Energy 84(2007) 565-577.
[30] V. Vansteijn, M.T. Kreutzer, C.R. Kleijn, Velocity fluctuations of segmented flow in microchannels, Chem. Eng. J. 135(2008) S159-S165.
[31] Y.S. Won, D.K. Chung, A.F. Mills, Density, viscosity, surface tension, and carbon dioxide solubility and diffusivity of methanol, ethanol, aqueous propanol, and aqueous ethylene glycol at 25℃, J. Chem. Eng. Data 26(1981) 140-141.
[32] S. van der Graaf, T. Nisisako, C.G.P.H. Schroën, R.G.M. Van Der Sman, R.M. Boom, Lattice Boltzmann simulations of droplet formation in a T-shaped microchannel, Langmuir 22(2006) 4144-4152.
[33] M.L.J. Steegmans, C.G.P.H. Schroën, R.M. Boom, Generalised insights in droplet formation at T-junctions through statistical analysis, Chem. Eng. Sci. 64(2009) 3042-3050.
[34] J. Berthier, P. Silberzan, Microfluidics for Biotechnology, Artech House, Boston|London, 2010.
[35] T. Abadie, J. Aubin, D. Legendre, C. Xuereb, Hydrodynamics of gas-liquid Taylor flow in rectangular microchannels, Microfluid. Nanofluid. 12(2011) 355-369.
[36] P. Zaloha, J. Kristal, V. Jiricny, N. Völkel, C. Xuereb, J. Aubin, Characteristics of liquid slugs in gas-liquid Taylor flow in microchannels, Chem. Eng. Sci. 68(2012) 640-649.
[37] C. Yao, Z. Dong, Y. Zhang, Y. Mi, Y. Zhao, G. Chen, On the leakage flow around gas bubbles in slug flow in a microchannel, AIChE J. 61(2015) 3964-3972.
[38] R. Pohorecki, K. Kula, A simple mechanism of bubble and slug formation in Taylor flow in microchannels, Chem. Eng. Res. Des. 86(2008) 997-1001.

Scaling of the bubble/slug length of Taylor flow in a meandering microchannel

Scaling of the bubble/slug length of Taylor flow in a meandering microchannel

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