numerical modeling of chaotic mixing in electroosmotically
Welcome to Cina QC

numerical modeling of chaotic mixing in electroosmotically .

Numerical Modeling of Chaotic Mixing in Electroosmotically ...

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 Price

Numerical Modeling of Chaotic Mixing in

Numerical 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 Price

Numerical Studies of Mixing in an Electroosmotically ...

May 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 Price

A new representative measure of chaotic mixing in a chaos ...

Jan 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 Price

An Electroosmotically Stirred Continuous Micro Mixer ...

Jun 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 Price

ODU Bio -Microfluidics Laboratory Progress Report

The 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 Price

chaotic mixing analyzing in continuous mixer with tracing

Numerical 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 Price

An Electroosmotically Stirred Continuous Micro Mixer ...

Jun 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 Price

ODU Bio -Microfluidics Laboratory Progress Report

The 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 Price

Publications - Old Dominion University

Kim*, 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 Price

A Chaotic Electroosmotic Stirrer Analytical Chemistry

Jun 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 Price

Ali BESKOK Professor and Chair Ph.D. Southern ...

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

Get Price

Mixing in Microfluidic Systems SpringerLink

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

Get Price

(PDF) NUMERICAL SIMULATION OF AN ELECTROOSMOTIC MICROMIXER ...

We 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 Price

Mixing enhancement of electrokinetically-driven non ...

May 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 Price

A split and recombination micromixer fabricated in a PDMS ...

Apr 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 Price

Rate of Decay of a Passive Scalar in a Micro-Mixer and the ...

Mar 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 Price

Modeling Electrokinetic Flows - Brown

Modeling 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 Price

Dynamical Modeling of Chaos Single-Screw Extruder and Its ...

Mar 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 Price

CiteSeerX — A Numerical Study of Multiphase Phenomena in ...

CiteSeerX - 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 Price

chaotic mixing analyzing in continuous mixer with tracing

Numerical 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 Price

Chaotic mixing in microdroplets

Chaotic 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 Price

Enhanced micromixing of electroosmotic flows using ...

Oct 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 Price

Quantification of chaotic strength and mixing in a micro ...

the 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 Price

Electrokinetically driven flow mixing utilizing chaotic ...

Apr 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 Price

NIH Public Access a, b, and George Em Karniadakisa,* J ...

Modeling 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 Price

The Cross-Flow Mixing Analysis of Quasi-Static Pebble Flow ...

Oct 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 Price

Rate of Decay of a Passive Scalar in a Micro-Mixer and the ...

Mar 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 Price

Mathematical Modeling of Oceanic Phytoplankton Blooms

alytical 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 Price

Modeling Electrokinetic Flows - Brown

Modeling 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 Price

Chaotic mixing in microfluidic devices driven by ...

Feb 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 Price

The Design and Simulation for a Novel Electroosmotic ...

Dec 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 Price

Heterogeneous Surface Charge Enhanced Micromixing for ...

heterogeneous 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 Price

Influence of the Electrophoretic Motion of Particle ...

Feb 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

Get Price
Copyright © 2021.Cina QC All rights reserved.Cina QC