Results 41 to 50 of about 2,413 (200)

Performance Investigation of Micromixer with Spiral Pattern on the Cylindrical Chamber Side Wall

Micromachines, 2023
In this paper, a sequence of passive micromixers with spiral patterns on the side wall of cylindrical chambers are designed, optimized, prepared and tested.
Shuang Yang, He Zhang, Shuihua Yang, Yunlong Zheng, Jianan Wang, Rongyan Chuai   +5 more
doaj   +1 more source

Effect of Fin-Shaped Electrodes on Flow Mixing and Pressure Drop in an Electroosmotic Micromixer [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2023
Production of a homogeneous solution is of great interest for Lab-on-a-Chip (LOC) applications. Since the fluid flow in microchannels is laminar, the LOC devices have low mixing efficiency in passive mixers.
Dariushh Bahrami, Morteza Bayareh, Azam Usefian   +2 more
doaj   +1 more source

Design of micromixers using CFD modelling [PDF]

, 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, Aubin, Beebe, Bertsch, C. Xuereb, D.F. Fletcher, Diggle, Ehrfeld, Ehrfeld, Etchells, Folger, Fourcade, Hobbs, Hobbs, Hobbs, J. Aubin, Lui, Lui, Mickaily-Huber, Nauman, Ottino, Rauline, Stroock, Stroock, Visser, Zalc   +25 more
core   +3 more sources

Numerical and Experimental Study of Cross-Sectional Effects on the Mixing Performance of the Spiral Microfluidics

Micromachines, 2021
Mixing at the microscale is of great importance for various applications ranging from biological and chemical synthesis to drug delivery. Among the numerous types of micromixers that have been developed, planar passive spiral micromixers have gained ...
Omid Rouhi, Sajad Razavi Bazaz, Hamid Niazmand, Fateme Mirakhorli, Sima Mas-hafi, Hoseyn A. Amiri, Morteza Miansari, Majid Ebrahimi Warkiani   +7 more
doaj   +1 more source

Numerical Analysis of Liquid Mixing in a T-Micromixer with Taylor Dispersion Obstructions [PDF]

International Journal of Mathematical, Engineering and Management Sciences, 2020
Passive micromixers are of great importance in biomedical engineering (lab-on-chips) and chemical processing (microreactors) fields. Various hydrodynamic principles such as lamination, flow separation, and chaotic advection were employed previously to ...
T. Manoj Dundi, S. Chandrasekhar, Shasidar Rampalli, V. R. K. Raju, V. P. Chandramohan   +4 more
doaj   +1 more source

Numerical study of fluid mixing at different inlet flow-rate ratios in Tear-drop and Chain micromixers compared to a new H-C passive micromixer

Engineering Applications of Computational Fluid Mechanics, 2016
A new split and recombine (SAR) passive micromixer, namely the H-C mixer, is presented. The performance of the micromixer is analyzed numerically at Reynolds numbers up to 100, varying the inlet flow-rate ratio.
Vladimir Viktorov, Md Readul Mahmud, Carmen Visconte   +2 more
doaj   +1 more source

Numerical investigation of a curved micromixer using different arrangements of cylindrical obstacles

Alexandria Engineering Journal, 2023
Curved micromixers are one of the most widely used types of passive micromixers that perform better than straight micromixers. Yet the main disadvantage of these micromixers is low mixing efficiency at low Reynolds numbers.
S.M.H. Mirkarimi, M.J. Hosseini, Y. Pahamli   +2 more
doaj   +1 more source

Development of a twin-head infusion pump for micromixing [PDF]

, 2020
Mixing is a crucial process in most of the industrial technology such as the operation of chemicals and fermentation reactors, combustion engines, polymer blends, and pharmaceutical formulations [1].
Chin, Fhong Soon, Hiung, Hing Yap, Kian, Sek Tee, Morsin, Marlia, Othman, Sheril Amira, Sundra, Sargunan, Zainal, Nurfarina   +6 more
core  

A fast passive and planar liquid sample micromixer

Lab Chip, 2004
A novel microdevice for passively mixing liquid samples based on surface tension and a geometrical mixing chamber is presented. Due to the laminar flow regime on the microscale, mixing becomes difficult if not impossible. We present a micromixer where a constantly changing time dependent flow pattern inside a two sample liquid plug is created as the ...
Melin, Jessica, Gimenez, Guillem, Roxhed, Niclas, van der Wijngaart, Wouter, Stemme, Göran   +4 more
openaire   +4 more sources

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

, 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, Teng Zhou, Yihui Wu, Yongbo Deng, Yuan Ji, Zhenyu Liu   +5 more
core   +3 more sources