A novel electrokinetic micromixing system with conductive mixing-enclosure-A geometrical study

In this paper, an electrokinetic micromixing system with conductive mixing-enclosure is proposed. The simulated micromixer can be fabricated easily and accordingly, it can be used in the microfluidic systems effectively. The mixing process is intensified by controlling the geometry of the mixing-enc...

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Main Authors: Morteza Nazari, Saman Rashidi, Javad Abolfazli Esfahani, Souad Harmand
Format: Article
Language:English
Published: Semnan University 2022-05-01
Series:Journal of Heat and Mass Transfer Research
Subjects:
Online Access:https://jhmtr.semnan.ac.ir/article_6734_39420abccb64f6f8c78977e9040fa11d.pdf
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author Morteza Nazari
Saman Rashidi
Javad Abolfazli Esfahani
Souad Harmand
author_facet Morteza Nazari
Saman Rashidi
Javad Abolfazli Esfahani
Souad Harmand
author_sort Morteza Nazari
collection DOAJ
description In this paper, an electrokinetic micromixing system with conductive mixing-enclosure is proposed. The simulated micromixer can be fabricated easily and accordingly, it can be used in the microfluidic systems effectively. The mixing process is intensified by controlling the geometry of the mixing-enclosure and electric field strength. The effects of different parameters including existence of mixing-enclosure, horizontal and vertical sizes of mixing-enclosure, orientation angle of mixing-enclosure, and electric field strength on the mixing index are studied. The mixing efficiencies and mixing lengths of current electrokinetic micromixer and those previously proposed by other researchers are compared. The results showed that the mixing efficiency can be enhanced significantly as a micromixer with conductive mixing-enclosure is employed. As an advantage of the proposed micromixer, the maximum mixing efficiency does not change by boosting the electric field strength in the range of 100 V.cm-1 to 200 V.cm-1, while the mixing time diminishes as the electric field strength increases in this range. For the conductive mixing-enclosure with the orientation angle of 45°, maximum mixing efficiency of 96.6% is achieved by exerting electric field with strength of 75 V.cm-1. The current electrokinetic micromixer has superior mixing efficiency and mixing length as compared with other electrokinetic micromixers.
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spelling doaj.art-15127ede87aa418fb0efe731ec10c1902024-03-17T08:04:29ZengSemnan UniversityJournal of Heat and Mass Transfer Research2345-508X2383-30682022-05-0191657610.22075/jhmtr.2022.21707.13146734A novel electrokinetic micromixing system with conductive mixing-enclosure-A geometrical studyMorteza Nazari0Saman Rashidi1Javad Abolfazli Esfahani2Souad Harmand3Department of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad 91775-1111, IranDepartment of Energy, Faculty of New Science and Technologies, Semnan University, Semnan, IranDepartment of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad 91775-1111, IranUniversité Polytechnique Hauts-de-France, Laboratoire d’Automatique, de Mécanique et d’Informatique Industrielles et Humaines (LAMIH-UMR CNRS 8201), Valenciennes, F59313, FranceIn this paper, an electrokinetic micromixing system with conductive mixing-enclosure is proposed. The simulated micromixer can be fabricated easily and accordingly, it can be used in the microfluidic systems effectively. The mixing process is intensified by controlling the geometry of the mixing-enclosure and electric field strength. The effects of different parameters including existence of mixing-enclosure, horizontal and vertical sizes of mixing-enclosure, orientation angle of mixing-enclosure, and electric field strength on the mixing index are studied. The mixing efficiencies and mixing lengths of current electrokinetic micromixer and those previously proposed by other researchers are compared. The results showed that the mixing efficiency can be enhanced significantly as a micromixer with conductive mixing-enclosure is employed. As an advantage of the proposed micromixer, the maximum mixing efficiency does not change by boosting the electric field strength in the range of 100 V.cm-1 to 200 V.cm-1, while the mixing time diminishes as the electric field strength increases in this range. For the conductive mixing-enclosure with the orientation angle of 45°, maximum mixing efficiency of 96.6% is achieved by exerting electric field with strength of 75 V.cm-1. The current electrokinetic micromixer has superior mixing efficiency and mixing length as compared with other electrokinetic micromixers.https://jhmtr.semnan.ac.ir/article_6734_39420abccb64f6f8c78977e9040fa11d.pdfelectrokinetic micromixerintensificationmixing indexelectric fieldmixing-enclosure geometry
spellingShingle Morteza Nazari
Saman Rashidi
Javad Abolfazli Esfahani
Souad Harmand
A novel electrokinetic micromixing system with conductive mixing-enclosure-A geometrical study
Journal of Heat and Mass Transfer Research
electrokinetic micromixer
intensification
mixing index
electric field
mixing-enclosure geometry
title A novel electrokinetic micromixing system with conductive mixing-enclosure-A geometrical study
title_full A novel electrokinetic micromixing system with conductive mixing-enclosure-A geometrical study
title_fullStr A novel electrokinetic micromixing system with conductive mixing-enclosure-A geometrical study
title_full_unstemmed A novel electrokinetic micromixing system with conductive mixing-enclosure-A geometrical study
title_short A novel electrokinetic micromixing system with conductive mixing-enclosure-A geometrical study
title_sort novel electrokinetic micromixing system with conductive mixing enclosure a geometrical study
topic electrokinetic micromixer
intensification
mixing index
electric field
mixing-enclosure geometry
url https://jhmtr.semnan.ac.ir/article_6734_39420abccb64f6f8c78977e9040fa11d.pdf
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