Two-fluid electroosmotic flow in microchannels

2005 ◽  
Vol 284 (1) ◽  
pp. 306-314 ◽  
Author(s):  
Yandong Gao ◽  
Teck Neng Wong ◽  
Chun Yang ◽  
Kim Tiow Ooi
Keyword(s):  
Electroosmotic Flow ◽  
Two Fluid

On steady two-fluid electroosmotic flow with full interfacial electrostatics

2011 ◽  
Vol 357 (2) ◽  
pp. 521-526 ◽  
Author(s):  
WooSeok Choi ◽  
Ashutosh Sharma ◽  
Shizhi Qian ◽  
Geunbae Lim ◽  
Sang Woo Joo
Keyword(s):  
Electroosmotic Flow ◽  
Two Fluid

Control of Flow Field, Mass Transfer and Mixing Enhancement in T-Shaped Microchannels

2016 ◽  
Vol 33 (3) ◽  
pp. 387-394
Author(s):  
Y. Bazargan-Lari ◽  
S. Movahed ◽  
M. Mashhoodi
Keyword(s):  
Flow Field ◽  
Applied Voltage ◽  
Electroosmotic Flow ◽  
Microfluidic Devices ◽  
Mixing Efficiency ◽  
Mixing Enhancement ◽  
Field Mass ◽  
Control Of Flow ◽  
Micro Mixer ◽  
Two Fluid

AbstractA T-shaped microfluidic micro-mixer was designed to mix desired concentrations of two fluid streams and to prepare their homogenous mixture solution. A hydrostatic pressure gradient was induced in one of the branches of the system (mixing channel) by applying external electric field and generating electroosmotic flow in the two other branches of the system. The flow field and transferred mass into the mixing channel can be regulated by controlling the applied voltage of the system. In order to prepare more homogenous mixture solution, some obstacles were added to the mixing channel to induce perturbation in the flow field and enhance the mixing efficiency of the system. Numerical simulations were performed to show the correctness of the proposed mixing strategy and to investigate the influences of the applied voltage on the mixing efficiency and induced pressure flow in the mixing channel. A proposed design can be used as a guideline to control and enhance mixing efficiency, and consequently functionality, of different microfluidic devices.

Two-Fluid Electroosmotic Flow in Microchannels

2008 ◽  
Author(s):  
T. N. Wong ◽  
Y. Gao ◽  
C. Wang ◽  
C. Yang ◽  
N. T. Nguyen ◽  
...  
Keyword(s):  
Electric Field ◽  
Applied Electric Field ◽  
Electroosmotic Flow ◽  
Viscosity Ratio ◽  
Experimental Investigations ◽  
Fluid Interface ◽  
Surface Charges ◽  
Interface Position ◽  
Proposed Model ◽  
Two Fluid

This paper presents theoretical and experimental investigations of the pressure-driven two-liquid flow in microchannels with the electroosmosis effect. For a fully developed, steady state, laminar flow of two liquids combined the pressure gradient, electroosmosis and surface charges at the liquid-liquid interface, we have derived analytical solutions that relate the velocity profiles and flow rates to the liquid holdup, the aspect ratio of the microchannel, the viscosity ratio of the two liquids and the externally applied electric field. It was shown that adjusting the externally applied electric field could control the fluid interface position precisely. The prediction from the proposed model compares very well with measured data.

Numerical simulation of two-fluid electroosmotic flow in microchannels

2005 ◽  
Vol 48 (25-26) ◽  
pp. 5103-5111 ◽  
Author(s):  
Yandong Gao ◽  
T.N. Wong ◽  
J.C. Chai ◽  
C. Yang ◽  
K.T. Ooi
Keyword(s):  
Numerical Simulation ◽  
Electroosmotic Flow ◽  
Two Fluid

scholarly journals Theoretical investigation of two-fluid electroosmotic flow in microchannels

2006 ◽  
Vol 34 ◽  
pp. 470-474 ◽  
Author(s):  
Y Gao ◽  
T N Wong ◽  
C Yang ◽  
N T Nguyen ◽  
K T Ooi ◽  
...  
Keyword(s):  
Theoretical Investigation ◽  
Electroosmotic Flow ◽  
Two Fluid

scholarly journals Direction dependence of displacement time for two-fluid electroosmotic flow

2012 ◽  
Vol 6 (1) ◽  
pp. 012816 ◽  
Author(s):  
Chun Yee Lim ◽  
Yee Cheong Lam
Keyword(s):  
Electroosmotic Flow ◽  
Direction Dependence ◽  
Two Fluid

RELAXATION AND COLLECTIVE MOTION IN SUPERCONDUCTORS. A TWO-FLUID DESCRIPTION

1978 ◽  
Vol 39 (C6) ◽  
pp. C6-488-C6-489 ◽  
Author(s):  
C. J. Pethick ◽  
H. Smith
Keyword(s):  
Collective Motion ◽  
Two Fluid

ULTRASOUND-MODULATED TWO-FLUID ATOMIZATION OF VISCOUS NEWTONIAN LIQUIDS

2003 ◽  
Vol 13 (4) ◽  
pp. 395-412
Author(s):  
Maha Yamak ◽  
Shirley C. Tsai ◽  
Ken Law
Keyword(s):  
Newtonian Liquids ◽  
Two Fluid
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