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A SPECTRAL RELAXATION APPROACH FOR DIFFUSION THERMO EFFECT ON TANGENT HYPERBOLIC FLUID PAST A STRETCHING SURFACE IN THE PRESENCE OF CHEMICAL REACTION AND CONVECTIVE BOUNDARY CONDITION

Volume 10, Issue 5, 2018, pp. 389-403
DOI: 10.1615/ComputThermalScien.2018019965
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ABSTRACT

In this study, a numerical investigation has been carried out to discuss the steady, two-dimensional flow of heat and mass transfer of tangent hyperbolic fluid with diffusion thermo in the presence of chemical reaction and convective surface boundary condition. The flow is induced by a stretching surface. The anticipated technique is an efficient numerical algorithm with assured convergence that serves as an alternative to general numerical methods for solving nonlinear boundary value problems. We demonstrate that the convergence rate of the spectral relaxation method is significantly improved by using the method in conjunction with the successive overrelaxation method. Validation of the results was achieved by comparison with limiting cases from previous studies in the literature. The results are presented graphically and discussed for various resulting parameters. Wessenberg number increases the thickness of the fluid, so velocity profiles decrease with an increase in We. Diffusion thermo effect significantly increases the thermal boundary layer thickness. Both local Nusselt numbers and local Sherwood numbers give the same behavior for the Weissenberg number.

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  1. Sreedhar Babu M., Ramana Velpula V., Ravisankar G., Raju C. S. K., Bashir M. N., Shehzad Sabir A., Unsteady natural convection magnetohydrodynamic stagnation point flow with assisting and opposing characteristics: Buongiorno model, Heat Transfer, 49, 8, 2020. Crossref

  2. Mouli G. B. Chandra, Gangadhar Kotha, Raju B. Hema Sundar, On Spectral Relaxation Approach for Thermal Diffusion and Diffusion Thermo Effects on Viscous Dissipative Casson Fluid Through a Stretched Surface, International Journal of Applied and Computational Mathematics, 6, 6, 2020. Crossref

  3. Venkata Subba Rao M., Gangadhar Kotha, Sobhana Babu P. R., Sutterby fluid flow past a stretching sheet embedded in a porous media with viscous dissipation, International Journal of Ambient Energy, 2021. Crossref

  4. Rao M. Venkata Subba, Gangadhar K., Chamkha Ali J., Surekha P., Bioconvection in a Convectional Nanofluid Flow Containing Gyrotactic Microorganisms over an Isothermal Vertical Cone Embedded in a Porous Surface with Chemical Reactive Species, Arabian Journal for Science and Engineering, 46, 3, 2021. Crossref

  5. Mouli G. B. Chandra, Gangadhar Kotha, Raju B. Hema Sundar, On spectral relaxation approach for Soret and Dufour effects on Sutterby fluid past a stretching sheet, International Journal of Ambient Energy, 43, 1, 2022. Crossref

  6. Triveni Battena, Venkata Subba Rao Munagala, Unsteady flow of magnetohydrodynamic hybrid nanofluid over a stretching/shrinking sheet: Multiple solutions, Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 2022. Crossref

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