Jun 24, 2009 Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers Ho Jun Kim, Ho Jun Kim Department of Aerospace Engineering, ... Characterization of Mixing in an Electroosmotically Stirred Continuous Micro Mixer,” Bull. Am. Phys. Soc. 0003-0503, 50, pp. 160.

Get PriceNumerical simulation of a recent model of chaotic mixing reveals a vortexlike stirring effect in quasiperiodic islands of the Poincaré map of the flow, which strongly influences the mixing time.

Get PriceMay 22, 2009 Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers J. Heat Transfer (September,2009) Liquid Flow Forced Convection in Rectangular Microchannels With Nonuniform Heating: Toward Analytical Modeling of Hotspots

Get PriceJan 20, 1999 Ho Jun Kim, Ali Beskok, Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers, Journal of Heat Transfer, 10.1115/1.3139109, 131, 9,

Get PriceJun 11, 2009 Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers J. Heat Transfer (September,2009) Liquid Flow Forced Convection in Rectangular Microchannels With Nonuniform Heating: Toward Analytical Modeling of Hotspots

Get PriceThe numerical modeling research focuses on a wide range of areas spanning from the modeling of particulate flows under external fields to modeling of the interface thermal resistance at the liquid/solid ... Kim, H.J., and Beskok , A., “Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers,” ASME Journal ...

Get PriceNumerical Studies of Mixing in an Electroosmotically ... chaotic strength in the continuous mixer. Fixing A=0.8, we observe the “locally-optimized” stirring/mixing conditions at Re=0.01 and St=1. In Figures 2-a and -b, we show numerical simulation results of mixing of a scalar marker at Pe=2,000 in an 8-block mixer at St=0.5 and St=1 ...

Get PriceJun 11, 2009 Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers J. Heat Transfer (September,2009) Liquid Flow Forced Convection in Rectangular Microchannels With Nonuniform Heating: Toward Analytical Modeling of Hotspots

Get PriceThe numerical modeling research focuses on a wide range of areas spanning from the modeling of particulate flows under external fields to modeling of the interface thermal resistance at the liquid/solid ... Kim, H.J., and Beskok , A., “Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers,” ASME Journal ...

Get PriceKim*, H.J., and Beskok, A., "Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers," ASME Journal of Heat Transfer, 131(9), 092403 ...

Get PriceJun 14, 2002 Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers. Journal of Heat Transfer 2009, 131 (9) ... Coupling between electroosmotically driven flow and bipolar faradaic depolarization processes in electron-conducting microchannels.

Get PriceNumerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers ... Model-based numerical predictions of the dielectrophoretic behavior of spheroidal biological cells are ...

Get PriceMay 08, 2010 H.J. Kim and A. Beskok, Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers, ASME J. Heat Transfer

Get PriceWe present a micromixer fabricated using MEMS technol- ogy which takes advantage of electroosmosis to mix fluids. A time dependent electric field is applied and the resulting electroosmo- sis perturbs the low Reynolds number flow. It is shown that

Get PriceMay 15, 2012 A numerical investigation is performed into the mixing characteristics of electrokinetically-driven non-Newtonian fluids in microchannels containing patterned blocks. In performing the simulations, the rheological behavior of the fluid is described using a power-law model.

Get PriceApr 19, 2006 Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers Ho Jun Kim and Ali Beskok 2009 Journal of Heat Transfer 131 092403. Crossref. Biophysical Micromixer Chin-Tsan Wang et al 2009 Sensors 9 5379. Crossref. Mixing efficiency of a multilamination micromixer with consecutive recirculation zones

Get PriceMar 12, 2010 Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers J. Heat Transfer (September,2009) Coupled Lagrangian Monte Carlo PDF–CFD Computation of Gas Turbine Combustor Flowfields With Finite-Rate Chemistry

Get PriceModeling electrokinetic ﬂows by the smoothed proﬁle method Xian Luoa, Ali Beskokb, George Em Karniadakisa,* a Division of Applied Mathematics, Brown University, Providence, RI 02912, USA bAerospace Engineering Department, Old Dominion University, Norfolk, VA 23529, USA article info Article history: Received 23 September 2009 Received in revised form 11 December 2009

Get PriceMar 01, 2000 Rigorous understanding of the chaotic mixing mechanism could be a milestone in designing more efficient CS. Anyway, CS is regarded as the first practical application of chaotic mixing to the single-screw extrusion process [8]. In this study, we describe the dynamical modeling of CS in the context of nonlinear dynamics and chaos.

Get PriceCiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): : The statistical evolution of a planar, randomly perturbed interface subject to Rayleigh-Taylor instability is explored through numerical solution of the Euler equations in two space dimensions. The data set, generated by the fronttracking code FronTier, is highly resolved and covers a large ensemble of initial ...

Get PriceNumerical Studies of Mixing in an Electroosmotically ... chaotic strength in the continuous mixer. Fixing A=0.8, we observe the “locally-optimized” stirring/mixing conditions at Re=0.01 and St=1. In Figures 2-a and -b, we show numerical simulation results of mixing of a scalar marker at Pe=2,000 in an 8-block mixer at St=0.5 and St=1 ...

Get PriceChaotic mixing in microdroplets Roman O. Grigoriev,*a Michael F. Schatza and Vivek Sharmab ... analytical and numerical calculations these corrections do not reduce the symmetry of the flow and hence the number of invariants, so the essential results of the model described above should still apply.

Get PriceOct 01, 2010 Many previous experimental and numerical studies have shown that an effective mixing performance can be obtained through ... The model presented in Fig. 1 was used as the basis for a series of numerical simulations designed to examine the effects ... Numerical modeling of chaotic mixing in electroosmotically stirred continuous flow mixers. J ...

Get Pricethe numerical solution of species transport equations, where species mixing in partially and globally chaotic states is demonstrated. Mixing results are presented as a function of the ‘Mixing Index Inverse (M−1)’. Finally, we summarize our ﬁndings in the discussion section. Flow model

Get PriceApr 04, 2008 This paper presents a novel microfluidic mixing scheme in which the species streams are mixed via the application of chaotic electric fields to four electrodes mounted on the upper and lower surfaces of the mixing chamber. Numerical simulations are performed to analyze the effects of the resulting chaotic electrokinetic driving forces on the fluid flow characteristics within the micromixer

Get PriceModeling Electrokinetic Flows by the Smoothed Profile Method ... which developed effective imaging techniques revealing interesting electroosmotically driven flows in various microscale geometries and with different coating materials [10–14]. ... applied to study the electroosmosis in microchannels investigating chaotic advection and mixing ...

Get PriceOct 24, 2018 Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers. J. Heat Transfer (September,2009) Related Chapters. Insights and Results of the Shutdown PSA for a German SWR 69 Type Reactor (PSAM-0028) Proceedings of the Eighth International Conference on Probabilistic Safety Assessment Management (PSAM)

Get PriceMar 12, 2010 Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers J. Heat Transfer (September,2009) Coupled Lagrangian Monte Carlo PDF–CFD Computation of Gas Turbine Combustor Flowfields With Finite-Rate Chemistry

Get Pricealytical results combined with numerical modeling have found critical length scales of the problem and critical ratios of biological reaction to turbulent time scales for these assumptions [12,16]. In [36], the authors develop theory and numerical models to link the critical turbulence hypothesis to the shutdown to convective mixing due to

Get PriceModeling electrokinetic ﬂows by the smoothed proﬁle method Xian Luoa, Ali Beskokb, George Em Karniadakisa,* a Division of Applied Mathematics, Brown University, Providence, RI 02912, USA bAerospace Engineering Department, Old Dominion University, Norfolk, VA 23529, USA article info Article history: Received 23 September 2009 Received in revised form 11 December 2009

Get PriceFeb 05, 2008 The kinematics of oscillatory cross flow has been studied numerically as a means for generating chaotic mixing in microfluidic devices for both confined and continuous throughput flow configurations. The flow is analyzed using numerical simulation of the unsteady Navier–Stokes equations combined with tracking of single and multispecies passive tracer particles.

Get PriceDec 14, 2007 The mixing of fluids is a very important factor in chemical reactions and often determines the reaction velocity. However, the mixing of fluids in microfluidics tends to be very slow, and thus the need to improve the mixing effect is a critical challenge for the development of the microfluidic systems.

Get Priceheterogeneous patterning using validated numerical models, and to characterize the performance of the developed micromixer experimentally in terms of mixing efficiencies and required channel lengths. EXPERIMENTAL SECTION ChemicalsandMaterials. Positive masters were constructed by exposing SU-8 25 negative photoresist (MicroChem, Newton,

Get PriceFeb 05, 2008 Numerical Modeling of Chaotic Mixing in Electroosmotically Stirred Continuous Flow Mixers J. Heat Transfer (September,2009) High-Throughput Production of Single-Cell Microparticles Using an Inkjet Printing Technology

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