Journal
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
Volume 128, Issue -, Pages 326-331Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijmecsci.2017.05.006
Keywords
MHD; Thin needle; Nanofluid; Joule heating; Viscous dissipation
Categories
Funding
- UGC [F.4-2/2006 (BSR)/MA/13-14/0026]
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The boundary layer analysis of a 2D forced convection flow along an incessant moving horizontal needle in magnetohydrodynamic radiative nanofluid is investigated. The energy equation is incorporated with the joule heating, non-constant heat source/sink, and viscid dissipation effects. To check the variation in the boundary layer nature, we considered the two nanofluids namely, Ag-water and Ag-Kerosene. The reduced system of governing PDEs is solved by employing the Runge-Kutta Fehlberg integration scheme. Computational results of the local Nusselt number and friction factor are tabulated and discussed. Velocity and temperature fields are discussed with the help of graphical illustrations. Increasing the needle size significantly reduces the flow and energy boundary layers of both nanofluids. In particular, thermal and velocity fields of Ag-kerosene nanofluids are highly dissed when equated with the Ag-water nanofluid. (C) 2017 Elsevier Ltd. All rights reserved.
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