Chemically reactive nanofluid flow past a thin moving needle with viscous dissipation, magnetic effects and hall current

Arshad Khan, Wiyada Kumam, Imran Khan, Anwar Saeed, Taza Gul, Poom Kumam and Ishtiaq Ali

PLOS ONE, 2021, vol. 16, issue 4, 1-18

Abstract: This work addresses the ability to manage the distribution of heat transmission for fluid flow occurs upon a paraboloid thin shaped hot needle by using hybrid nanoparticles containing Copper Oxide (CuO) and Silver (Ag) with water as pure fluid. The needle is placed horizontally in nanofluid with an application of Hall current and viscous dissipation. The popular Buongiorno model has employed in the current investigation in order to explore the impact of Brownian and thermophoretic forces exerted by the fluid. The modeled equations with boundary conditions are transformed to non-dimensional form by incorporating a suitable group of similarity variables. This set of ordinary differential equations is then solved by employing homotopy analysis method (HAM). After detail study of the current work, it has established that the flow of fluid reduces with growth in magnetic effects and volume fractions of nanoparticles. Thermal characteristics increase with augmentation of Eckert number, magnetic field, volume fractions of nanoparticles, Brownian motion parameter and decline with increase in Prandtl number. Moreover, concentration of nanoparticles reduces with corresponding growth in Lewis number and thermophoresis, chemical reaction parameters while increases with growth in Brownian motion parameter.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0249264

DOI: 10.1371/journal.pone.0249264

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