Abstract
This study investigates the thermal aspects of magnetohydrodynamic double diffusive flow of a radiated Cu-CuO/Casson hybrid nano-liquid through a microfluidic pump in the presence of electroosmosis effects. Shared effects of the Arrhenius activation energy and the Joule heating on the intended liquid transport are also incorporated. The inner wall of the pump is covered with electrically charged fabricated cilia mat that facilitates flow actuation and micro-mixing process. The governing equations for the proposed problem are simplified by utilizing the Debye-Hückel and lubrication approximations. The numerical solutions are calculated with the aid of shooting technique. The analysis reports that the substantial effects of electroosmosis contribute an important role in cooling process. Existence of electric double layer stimulates an escalation in liquid stream in the vicinity of the pump surface. The Arrhenius energy input strengthens the mass dispersion and regulates the thermal treatment. The proposed geometry delivers a deep perception that fabricated cilia in electroosmotic pumps are potential pharmaceutical micromixers for an effective flow and minimum entropy generation rate.
Highlights
Motile cilia are flexible filaments attached to the cell surface and assist in the directional transport of the cell body itself or various substances passing over the surface
Inspired from the above discussion, the core motivation of the intended study is in four aspects: (i) Examine the entropic features of radiated hybrid type nanofluid transport that will be first time deliberated in electroosmotic pump with its electrically charged surface shielded with fabricated cilia (ii) Double diffusion effects on Cu-CuO/Casson nanofluid transport with the provision of activation energy input
The axial velocity profile u(y) of the hybrid nanofluid flow is plotted against y in Figure 3a–d to see the effect of the Hartmann number M, the Helmholtz-Smoluchowski velocity Uhs, the thermal Grashof number gr, and the solutal Grashof number gc
Summary
Motile cilia are flexible filaments attached to the cell surface and assist in the directional transport of the cell body itself or various substances passing over the surface. A small quantity of energy input called activation energy is desired to start the process Owing to these substantial applications of heat transfer in physiology and chemical engineering, several studies [26,27,28,29,30] have been conducted to investigate the thermal aspects of bioliquid flows in different regimes. (i) Examine the entropic features of radiated hybrid type nanofluid transport that will be first time deliberated in electroosmotic pump with its electrically charged surface shielded with fabricated cilia (ii) Double diffusion effects on Cu-CuO/Casson nanofluid transport with the provision of activation energy input. To the best of authors’ comprehension such study has not been conducted earlier
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