Journal
ALEXANDRIA ENGINEERING JOURNAL
Volume 60, Issue 4, Pages 4097-4113Publisher
ELSEVIER
DOI: 10.1016/j.aej.2021.02.055
Keywords
Magnetic nanoparticles; Curved oscillating stretching surface; Homotopy analysis method; Joule heating; Melting heat transfer
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This article investigates the heat transport mechanism of nanoparticles in a magnetic flow on an oscillating curved surface, taking into account Joule heating effects, melting heat transfer, and heat generation impacts. A mathematical formulation is established using partial differential equations in curvilinear coordinate systems, and the series solution is obtained using the Homotopy analysis method. The effects of various flow parameters on temperature and pressure fields are analyzed through parametric analysis and displayed graphically, showing good agreement with reported data for flat oscillating surfaces in the literature.
The present article concerns the analysis of the heat transport mechanism in the hydro magnetic flow of nanoparticles on an oscillating curved stretching surface. The features of heat transfer are examined by considering the Joule heating effects along with melting heat transfer. Furthermore, the impacts of heat generation are additionally incorporated within the energy equation. The mathematical formulation undertaking the aforesaid flow scheme is established in the form of partial differential equations by employing curvilinear coordinate systems. The series solution of the formulated flow equations is obtained by utilizing a proficient analytical approach entitled as Homotopy analysis method (HAM). A parametric analysis is carried out for the various involved flow parameters such as dimensionless radius of curvature, the proportion of the oscillation frequency of the surface to its stretching rate parameter, nanoparticles, magnetic and heat generation parameter, Prandtl and Eckert number, on the flow, temperature, and pressure fields are displayed through graphs. Also, a comparison between the achieved results with the reported data in the literature for the flat oscillating surface is found in good agreement. (C) 2021 THE AUTHORS. Published by Elsevier BV on behalf of Faculty of Engineering, Alexandria University.
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