NDLI: Mixing Enhancement of Non-Newtonian Shear-Thinning Fluid for a Kenics Micromixer

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Mixing Enhancement of Non-Newtonian Shear-Thinning Fluid for a Kenics Micromixer

Content Provider	MDPI
Author	Mahammedi, Abdelkader Tayeb, Naas Toufik Kim, Kwang-Yong Hossain, Shakhawat
Copyright Year	2021
Description	In this work, a numerical investigation was analyzed to exhibit the mixing behaviors of non-Newtonian shear-thinning fluids in Kenics micromixers. The numerical analysis was performed using the computational fluid dynamic (CFD) tool to solve 3D Navier-Stokes equations with the species transport equations. The efficiency of mixing is estimated by the calculation of the mixing index for different cases of Reynolds number. The geometry of micro Kenics collected with a series of six helical elements twisted 180° and arranged alternately to achieve the higher level of chaotic mixing, inside a pipe with a Y-inlet. Under a wide range of Reynolds numbers between 0.1 to 500 and the carboxymethyl cellulose (CMC) solutions with power-law indices among 1 to 0.49, the micro-Kenics proves high mixing Performances at low and high Reynolds number. Moreover the pressure losses of the shear-thinning fluids for different Reynolds numbers was validated and represented.
Starting Page	1494
e-ISSN	2072666X
DOI	10.3390/mi12121494
Journal	Micromachines
Issue Number	12
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2021-11-30
Access Restriction	Open
Subject Keyword	Micromachines Kenics Micromixer Numerical Simulation Mixing Index Non-newtonian Fluids Cmc Solutions Low Reynolds Number
Content Type	Text
Resource Type	Article

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