electro osmotic flow
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2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Yun-Jie Xu ◽  
Mubbashar Nazeer ◽  
Farooq Hussain ◽  
M. Ijaz Khan ◽  
M. K. Hameed ◽  
...  

AbstractThe multi-phase flow of non-Newtonian through a divergent channel is studied in this article. Jeffrey fluid is considered as the base liquid and tiny gold particles for the two-phase suspension. Application of external electric field parallel to complicated capillary with net surface charge density causes the bulk motion of the bi-phase fluid. In addition to, electro-osmotic flow with heat transfer, the simultaneous effects of viscous dissipation and nonlinear thermal radiation have also been incorporated. Finally, cumbersome mathematical manipulation yields a closed-form solution to the nonlinear differential equations. Parametric study reveals that more thermal energy is contributed in response to Brinkman number which significantly assists gold particles to more heat attain high temperature, as the remedy for compressed or swollen capillaries/arteries.


Author(s):  
A. Al-Zubaidi ◽  
Mubbashar Nazeer ◽  
Gener S. Subia ◽  
Farooq Hussain ◽  
S. Saleem ◽  
...  

Pramana ◽  
2021 ◽  
Vol 95 (4) ◽  
Author(s):  
Pongsakorn Sunthrayuth ◽  
Aisha Alderremy ◽  
Shaban Aly ◽  
Rasool Shah ◽  
Ali Akgül

Author(s):  
A. Abbasi ◽  
Kamel Al-Khaled ◽  
M. Ijaz Khan ◽  
Shahid Farooq ◽  
Waseh Farooq ◽  
...  

2021 ◽  
Vol 924 ◽  
Author(s):  
Raúl Fernández-Mateo ◽  
Pablo García-Sánchez ◽  
Víctor Calero ◽  
Hywel Morgan ◽  
Antonio Ramos

Abstract


Author(s):  
Ramil Siraev ◽  
Dmitry Bratsun ◽  
Pavel Ilyushin

In recent years, the gradual minimization of continuous-flow chemical reactors, which is stimulated by the interests of pharmaceutical production, has led to the emergence of a new generation of microreactors.  A decrease in the thickness of the channels where the species contact and react, forces to search for new, non-mechanical, mechanisms for mixing the initial solutions.  In this work, we consider the efficiency of mixing the reactants induced by electro-osmotic flow in a Hele-Shaw configuration with non-uniform zeta potential distribution. We consider the neutralization reaction, which has simple but non-linear kinetics, as a test reaction. The reaction occurs between two miscible solutions, which are initially separated in space and come into contact in a continuous-flow microreactor. The reaction proceeds frontally, which prevents the efficient mixing of the reactants due to diffusion. We show numerically that the mixing of solutions can be effectively controlled by specifying special forms of the zeta potential, which make it possible to lengthen the reaction front by an order of magnitude and increase the yield of the reaction product by several times.


Author(s):  
Ravinder Jhorar ◽  
Shashi Bhushan ◽  
RaviKumar Sharma ◽  
Dharmendra Tripathi

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