Abstract
Wire coating process is a continuous extrusion process for primary insulation of conducting wires with molten polymers for mechanical strength and protection in aggressive environments. Nylon, polysulfide, low/high density polyethylene (LDPE/HDPE) and plastic polyvinyl chloride (PVC) are the common and important plastic resin used for wire coating. In the current study, wire coating is performed using viscoelastic third grade fluid in the presence of applied magnetic field and porous medium. The governing equations are first modeled and then solved analytically by utilizing the homotopy analysis method (HAM). The convergence of the series solution is established. A numerical technique called ND-solve method is used for comparison and found good agreement. The effect of pertinent parameters on the velocity field and temperature profile is shown with the help of graphs. It is observed that the velocity profiles increase as the value of viscoelastic third grade parameter β increase and decrease as the magnetic parameter M and permeability parameter K increase. It is also observed that the temperature profiles increases as the Brinkman number B r , permeability parameter K , magnetic parameter M and viscoelastic third grade parameter (non-Newtonian parameter) β increase.
Highlights
Metallic coating is an industrial process for the supply of insulation, environmental safety, mechanical damage and protect against signal attenuation
Different types of fluids are used for wire which depends upon the geometry of die, fluid viscosity, the temperature oftthe wire and that of the molten polymer
There are a few studies on the flow and heat transfer of non-Newtonian fluids, In the present article, we investigate effect of MHD and fluid heat transfer on the steady careful examination of the literature revealsthe that a viscoelastic has received very flow littleofattention
Summary
Metallic coating is an industrial process for the supply of insulation, environmental safety, mechanical damage and protect against signal attenuation. The properties of the final product greatly depend on the rate of cooling in the manufacturing devoted considerable attention to the study of MHD flow problems focusing on non-Newtonian fluids processes. The appliedmmagnetic fieldtheffields aswwell as porousmmatrix maymanufacturing playaan important fluids becauseoof its broad applicationsiin of engineeringaand industrial roleiin controlling momentum andhheat transferiin the boundary layer flow of different in the [19,20,21,22] Some examples of these areas are energy generators MHD, melting of metals by fluids the application of a magnetic field in an electric furnace, the cooling nuclear reactors, plasma studies, the process of wire coating. There are a few studies on the flow and heat transfer of non-Newtonian fluids, wire coating analysis in the of reveals the porous this context, equations careful examination of presence the literature that a medium.
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