Taassob A, Manshadi MKD, Bordbar A, Kamali R (2017) Monodisperse non-Newtonian micro-droplet generation in a co-flow device. Zhao CX, Middelberg APJ (2011) Two-phase microfluidic flows. Garstecki P, Fuerstman MJ, Fischbach MA, Sia SK, Whitesides GM (2006) Mixing with bubbles: a practical technology for use with portable microfluidic devices. Günther A, Jhunjhunwala M, Thalmann M, Schmidt MA, Jensen KF (2005) Micromixing of miscible liquids in segmented gas-liquid flow. Qian J, Li X, Wu Z, Jin Z, Sunden B (2019) A comprehensive review on liquid–liquid two-phase flow in microchannel: flow pattern and mass transfer. Svetlov SD, Abiev RS (2018) Formation mechanisms and lengths of the bubbles and liquid slugs in a coaxial-spherical micro mixer in Taylor flow regime. Günther A, Khan SA, Thalmann M, Trachsel F, Jensen KF (2004) Transport and reaction in microscale segmented gas–liquid flow. Kreutzer MT, Kapteijn F, Moulijn JA, Heiszwolf JJ (2005) Multiphase monolith reactors: chemical reaction engineering of segmented flow in microchannels. Taylor GI (1961) Deposition of a viscous fluid on the wall of a tube. Agar, Liquid-Liquid Slug Flow Capillary Microreactor, (2011) 353–360. īordbar A, Kamali R, Taassob A (2020) Thermal performance analysis of slug flow in square microchannels. Mao X, Juluri BK, Lapsley MI, Stratton ZS, Huang TJ (2010) Milliseconds microfluidic chaotic bubble mixer. 9:552īordbar A, Taassob A, Kamali R (2018) Diffusion and convection mixing of non-Newtonian liquids in an optimized micromixer. Mehrdel P, Karimi S, Farré-Lladós J, Casals-Terré J (2018) Novel variable radius spiral–shaped micromixer: from numerical analysis to experimental validation. Rasouli M, Mehrizi AA, Goharimanesh M, Lashkaripour A, Bazaz SR (2018) Multi-criteria optimization of curved and baffle-embedded micromixers for bio-applications. He X, Xia T, Gao L, Deng Z, Uzoejinwa BB (2019) Simulation and experimental study of asymmetric split and recombine micromixer with D-shaped sub-channels. Įnders A, Siller IG, Urmann K, Hoffmann MR, Bahnemann J (2019) 3D printed microfluidic mixers-a comparative study on mixing unit performances. Le Teh H, Le Thanh H, Dong T, Ta BQ, Nhut T-M, Karlsen F (2015) An effective passive micromixer with shifted trapezoidal blades using wide Reynolds number range. īordbar A, Taassob A, Zarnaghsh A, Kamali R (2018) Slug flow in microchannels: numerical simulation and applications. 295 (2002) 647–651īorgohain P, Arumughan J, Dalal A, Natarajan G (2018) Design and performance of a three-dimensional micromixer with curved ribs. Whitesides, Chaotic mixer for microchannels, Science (80. Stone HA, Stroock AD, Ajdari A (2004) Engineering flows in small devices: microfluidics toward a lab-on-a-chip. Le The H, Le Thanh H, Dong T, Ta BQ, Tran-Minh N, Karlsen F (2015) An effective passive micromixer with shifted trapezoidal blades using wide Reynolds number range. Nguyen N-T, Wu Z (2004) Micromixers-a review. Suh YK, Kang S (2010) A review on mixing in microfluidics. Lee CY, Chang CL, Wang YN, Fu LM (2011) Microfluidic mixing: a review. Taassob A, Kamali R, Bordbar A (2018) Investigation of rarefied gas flow through bended microchannels. Whitesides GM (2006) The origins and the future of microfluidics. Moreover, a mixing efficiency of more than 80% is achieved at the outlet of the micromixer for solutions with viscosities of 160% higher than that of water. We demonstrate that mixing efficiencies higher than 90% are attainable for species with viscosities of about 54% higher than that of water (O(10 −3) kg m −1 s −1) a result that is not attainable in the corresponding single-phase micromixer. The performance of the proposed slug-flow micromixer is compared with that of a single-phase micromixer with similar geometrical configuration. Various cases are studied, in which the liquid samples to be mixed are either water or glycerol–water solution. In the present work, we investigate the mixing of similar fluids with viscosities equal to or higher than that of water in a two-phase (gas-liquid) slug-flow micromixer, as an economical passive design. Two-phase flow micromixers have attracted attention due to their low cost, simple structure, and high performance. glycerol–water solutions) is challenging and costly and often requires employing active mixing methods.
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