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Rotation,electromagnetic field,and variable thermal conductivity effects on free convection flow past an eternity vertical porous plate
Authors:V Bharathi  J Prakash  R Vijayaragavan  R Balaji  V Pushparaj
Affiliation:1. Department of Mathematics, Rajalakshmi Engineering College (Autonomous), Chennai, Tamil Nadu, India;2. Department of Mathematics, Avvaiyar Government College for Women, Karaikal, U.T. of Puducherry, India;3. Department of Mathematics, Thiruvalluvar University, Vellore, Tamilnadu, India;4. Department of Mathematics, Panimalar Engineering College, Chennai, Tamil Nadu, India;5. Department of Mathematics, C. Abdul Hakeem College of Engineering and Technology, Melvisharam, Tamilnadu, India
Abstract:The present research may facilitate the reduction of the number of conversion steps required to include the low output voltages in an electrokinetic biomass process. Variable thermal conductivity and electroosmosis flow have already established great potential in the thermo-elastic models of various manufacturing industries and have been widely used in energy technologies. As a result, the current framework investigates the characteristics of natural convection flow with the influence of variable thermal conductivity and electroosmosis over an eternity vertical porous plate. Coriolis forces and Hall current effects are considered in the momentum equations, and also thermal radiation and variable thermal conductivity are taken as energy equations. A linear chemical reaction parameter is used in the concentration equation. The equation of Poisson–Boltzmann is exploited to depict the electric potential characteristics within the accelerated plate medium. The pdepe command in Matlab software is used to figure out the numerical solutions to equations about momentum, energy, and concentration. The expressions of fluid transverse velocity, fluid axial velocity, fluid temperature, and concentration profiles are presented as numerical results and also derived vital relevant stream parameters diagrammatically, whereas the numerical values of primary skin friction, secondary skin friction, and Nusselt number are presented in tabular form for various values of pertinent flow parameters. The temperature rises as the strength of the thermal conductivity variable parameter increases. Also, as the values of the Taylor number and the thermal conductivity variable parameter go up, the primary velocity goes down. Similarly, secondary velocity increases in the opposite direction as the Taylor number and thermal conductivity variable parameter increase.
Keywords:chemical reaction  Coriolis forces  electroosmosis  Hall current  variable thermal conductivity
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