Anomalous reactivity of thermo-bioconvective nanofluid towards oxytactic microorganisms

Document Type

Article

Publication Date

2020

Abstract

The peristaltic flow of non-Newtonian nanofluid with swimming oxytactic microorganisms through a space between two infinite coaxial conduits is investigated. A variable magnetic field is applied on the flow. The bioconvection flow and heat transfer in the porous annulus are formulated, and appropriate transformations are used, leading to the non-dimensionalized ruling partial differential equation model. The model is then solved by using the homotopy perturbation scheme. The effects of the germane parameters on the velocity profile, temperature distribution, concentration distribution, motile microorganism profile, oxytactic profile, pressure rise, and outer and inner tube friction forces for the blood clot and endoscopic effects are analyzed and presented graphically. It is noticed that the pressure rise and friction forces attain smaller values for the en-doscopic model than for the blood clot model. The present analysis is believed to aid applications constituting hemodynamic structures playing indispensable roles inside the human body since some blood clotting disorders, E.g., haemophilia, occur when some blood constituents on the artery wall get confined away from the wall joining the circulation system.

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