Results 21 to 30 of about 6,159 (214)

The Influence of the Unit Junction on the Performance of a Repetitive Structure Micromixer

open access: yesMicromachines, 2022
In order to investigate the influence of the unit junction on the micromixer performance, a repetitive structure micromixer with a total length of 12.3 mm was proposed.
He Zhang   +4 more
doaj   +1 more source

New insights into the micromixer with Cantor fractal obstacles through genetic algorithm

open access: yesScientific Reports, 2022
This work is mainly to combine fractal principle with multi-objective genetic algorithm, and the multi-objective optimization of the Cantor fractal baffle micromixer is carried out. At different Reynolds numbers (Res), the three-dimensional Navier–Stokes
Xueye Chen, Honglin Lv
doaj   +1 more source

Thermal mixing in T-shaped micromixers with a porous block by the lattice Boltzmann method: Influence of the mixing channel configuration

open access: yesFrontiers in Thermal Engineering, 2022
The present paper investigates the thermal mixing and cooling processes in a passive micromixer, which is applicable for the cooling of electronic devices. Employing a porous block and testing different configurations for the mixing channel is considered
Seyed Soheil Mousavi Ajarostaghi   +1 more
doaj   +1 more source

A Microfluidic Mixer of High Throughput Fabricated in Glass Using Femtosecond Laser Micromachining Combined with Glass Bonding

open access: yesMicromachines, 2020
We demonstrate a microfluidic mixer of high mixing efficiency in fused silica substrate using femtosecond laser-induced wet etching and hydroxide-catalysis bonding method.
Jia Qi   +10 more
doaj   +1 more source

Iris segmentation [PDF]

open access: yes, 2018
The quality of eye image data become degraded particularly when the image is taken in the non-cooperative acquisition environment such as under visible wavelength illumination.
Ahmad, Asraful Syifaa’   +6 more
core   +1 more source

Optimal control-based inverse determination of electrode distribution for electroosmotic micromixer [PDF]

open access: yes, 2017
This paper presents an optimal control-based inverse method used to determine the distribution of the electrodes for the electroosmotic micromixers with external driven flow from the inlet.
Shizhi Qian   +5 more
core   +3 more sources

Numerical Study of Mixing and Reaction for Biodiesel Production in Spiral Microchannel

open access: yesChemical Engineering Transactions, 2015
Many microdevices have been tested in order to enhance the interaction between vegetable oil and alcohol to raising the conversion into biodiesel. However, many microdevices have some complexities in manufacturing and/or operation process.
H. Santana, R.L. Amaral, O.P. Taranto
doaj   +1 more source

Evaluation of Hydrodynamic and Thermal Behaviour of Non-Newtonian-Nanofluid Mixing in a Chaotic Micromixer

open access: yesMicromachines, 2022
Three-dimensional numerical investigations of a novel passive micromixer were carried out to analyze the hydrodynamic and thermal behaviors of Nano-Non-Newtonian fluids.
Naas Toufik Tayeb   +4 more
doaj   +1 more source

Design of micromixers using CFD modelling [PDF]

open access: yes, 2005
The effect of various geometrical parameters of a grooved staggered herringbone micromixer on the mixing performance has been investigated using Computational Fluid Dynamics.
Anson   +25 more
core   +3 more sources

Rapid AC Electrokinetic Micromixer with Electrically Conductive Sidewalls

open access: yesMicromachines, 2021
We report a quasi T-channel electrokinetics-based micromixer with electrically conductive sidewalls, where the electric field is in the transverse direction of the flow and parallel to the conductivity gradient at the interface between two fluids to be ...
Fang Yang   +3 more
doaj   +1 more source

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