Inflow boundary conditions determine T-mixer efficiency

We report on a comprehensive experimental–computational study of a simple T-shaped mixer for Reynolds numbers up to 4000.

[1]  Alfredo Pinelli,et al.  Reynolds number dependence of mean flow structure in square duct turbulence , 2010, Journal of Fluid Mechanics.

[2]  Jinhee Jeong,et al.  On the identification of a vortex , 1995, Journal of Fluid Mechanics.

[3]  L. Falk,et al.  Characterisation of micromixing efficiency by the iodide–iodate reaction system. Part I: experimental procedure , 2000 .

[4]  Liu Zhendong,et al.  Mixing characterization and scaling-up analysis of asymmetrical T-shaped micromixer: Experiment and CFD simulation , 2012 .

[5]  Robert Langer,et al.  Microfluidic platform for controlled synthesis of polymeric nanoparticles. , 2008, Nano letters.

[6]  Robert K Prud'homme,et al.  Mechanism for rapid self-assembly of block copolymer nanoparticles. , 2003, Physical review letters.

[7]  J. Villermaux,et al.  Characterisation of micromixing efficiency by the iodide–iodate reaction system. Part II: kinetic study , 2000 .

[8]  M. Uhlmann,et al.  Localized turbulence structures in transitional rectangular-duct flow , 2015, Journal of Fluid Mechanics.

[9]  M. Salvetti,et al.  Unsteady asymmetric engulfment regime in a T-mixer , 2014 .

[10]  M. Salvetti,et al.  Investigation of the steady engulfment regime in a three-dimensional T-mixer , 2013 .

[11]  P. V. Danckwerts The Definition and Measurement of Some Characteristics of Mixtures , 1952 .

[12]  O. C. Jones,et al.  An Improvement in the Calculation of Turbulent Friction in Rectangular Ducts , 1976 .

[13]  P. Moin,et al.  DIRECT NUMERICAL SIMULATION: A Tool in Turbulence Research , 1998 .

[14]  W. Peukert,et al.  Simultaneous 3D observation of different kinetic subprocesses for precipitation in a T-mixer , 2009 .

[15]  Robert E. Treybal,et al.  Mixing and product distribution for a liquid‐phase, second‐order, competitive‐consecutive reaction , 1971 .

[16]  Shengyao Yu Micromixing and parallel reactions , 1993 .

[17]  Jerzy Bałdyga,et al.  Turbulent Mixing and Chemical Reactions , 1999 .

[18]  M. Manhart,et al.  The low Reynolds number turbulent flow and mixing in a confined impinging jet reactor , 2007 .

[19]  Ilkka Turunen,et al.  Numerical and experimental investigations of liquid mixing in T-type micromixers , 2008 .

[20]  W. Peukert,et al.  Experimental Investigation into the Influence of Mixing on Nanoparticle Precipitation , 2002 .

[21]  H. Deconinck,et al.  Design principles for bounded higher-order convection schemes - a unified approach , 2007, J. Comput. Phys..

[22]  Dwight Barkley,et al.  The rise of fully turbulent flow , 2015, Nature.

[23]  Laurent Falk,et al.  Performance comparison of micromixers , 2010 .

[24]  P. Rys,et al.  Chemical Selectivities Disguised by Mass Diffusion. II. Mixing-disguised nitrations of aromatic compounds with nitronium salts, . 2nd communication on the selectivity of chemical processes†‡† , 1975 .

[25]  Susan Thomas,et al.  An experimental investigation of moderate reynolds number flow in a T-Channel , 2010 .

[26]  A. Smits,et al.  Measurement of local dissipation scales in turbulent pipe flow. , 2009, Physical review letters.

[27]  Laurent Falk,et al.  Villermaux–Dushman protocol for experimental characterization of micromixers , 2011 .

[28]  Ephraim M Sparrow,et al.  Experiments on hydrodynamically developing flow in rectangular ducts , 1970 .

[29]  Klavs F. Jensen,et al.  Flow chemistry—Microreaction technology comes of age , 2017 .

[30]  Albert Renken,et al.  Mixing efficiency and energy consumption for five generic microchannel designs , 2011 .

[31]  P. Woias,et al.  Convective mixing and chemical reactions in microchannels with high flow rates , 2006 .

[32]  Hideharu Nagasawa,et al.  Design of a New Micromixer for Instant Mixing Based on the Collision of Micro Segments , 2005 .

[33]  Kazuhiro Mae,et al.  Effects of channel geometry on mixing performance of micromixers using collision of fluid segments , 2006 .

[34]  M. Avila,et al.  Nature of laminar-turbulence intermittency in shear flows. , 2013, Physical review. E, Statistical, nonlinear, and soft matter physics.

[35]  W. Peukert,et al.  Direct numerical simulation of water–ethanol flows in a T-mixer , 2016, 1612.03035.

[36]  Laurent Falk,et al.  A generalized mixing model for initial contacting of reactive fluids , 1994 .

[37]  D. Bothe,et al.  Fluid mixing in a T-shaped micro-mixer , 2006 .

[38]  S. Dushman The Rate of the Reaction Between Iodic and Hydriodic Acids , 2018 .

[39]  Osborne Reynolds,et al.  XXIX. An experimental investigation of the circumstances which determine whether the motion of water shall be direct or sinuous, and of the law of resistance in parallel channels , 1883, Philosophical Transactions of the Royal Society of London.

[40]  Laurent Falk,et al.  A new parallel competing reaction system for assessing micromixing efficiency—Experimental approach , 1996 .

[41]  D. Barkley Theoretical perspective on the route to turbulence in a pipe , 2016, Journal of Fluid Mechanics.

[42]  W. Tian,et al.  Introduction to Microfluidics , 2008 .

[43]  Suzanne M. Kresta,et al.  Characteristics of a Confined Impinging Jet Reactor: Energy Dissipation, Homogeneous and Heterogeneous Reaction Products, and Effect of Unequal Flow , 2009 .

[44]  R. Poole,et al.  Bifurcation in a T-channel junction: effects of aspect ratio and shear-thinning , 2013 .

[45]  Jun-ichi Yoshida,et al.  Submillisecond organic synthesis: Outpacing Fries rearrangement through microfluidic rapid mixing , 2016, Science.

[46]  M. Salvetti,et al.  Steady and unsteady regimes in a T-shaped micro-mixer: Synergic experimental and numerical investigation , 2018, Chemical Engineering Journal.

[47]  I. Wygnanski,et al.  On transition in a pipe. Part 1. The origin of puffs and slugs and the flow in a turbulent slug , 1973, Journal of Fluid Mechanics.

[48]  S. Gavrilakis,et al.  Numerical simulation of low-Reynolds-number turbulent flow through a straight square duct , 1992, Journal of Fluid Mechanics.

[49]  M. Schlüter,et al.  Experimental investigation of liquid–liquid mixing in T-shaped micro-mixers using μ-LIF and μ-PIV , 2006 .

[50]  P. Seeberger,et al.  The Hitchhiker's Guide to Flow Chemistry ∥. , 2017, Chemical reviews.

[51]  D. Lathrop,et al.  Bi-stability in turbulent, rotating spherical Couette flow , 2011, 1107.5082.