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Heat Transfer Analysis of Sisko Fluid Flow over a Stretching Sheet in a Conducting Field with Newtonian Heating and Constant Heat Flux

Author

Listed:
  • Pothala Jayalakshmi

    (Department of Mathematics, Siddharth Institute of Engineering & Technology (Autonomous), Puttur 517583, Andhra Pradesh, India)

  • Mopuri Obulesu

    (Department of Mathematics, Siddharth Institute of Engineering & Technology (Autonomous), Puttur 517583, Andhra Pradesh, India)

  • Charan Kumar Ganteda

    (Department of Engineering Mathematics, College of Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswaram 522301, Andhra Pradesh, India)

  • Malaraju Changal Raju

    (Department of Mathematics, JNTUA College of Engineering, Pulivendula 516390, Andhra Pradesh, India)

  • Sibyala Vijayakumar Varma

    (Department of Mathematics, School of Applied Sciences, REVA University, Bengaluru 562157, Karnataka, India)

  • Giulio Lorenzini

    (Department of Engineering and Architecture, University of Parma, Parco Area delle Scienze, 181/A, 43124 Parma, Italy)

Abstract

The present study investigates the steady three-dimensional flow of a Sisko fluid over a bidirectional stretching sheet under the influence of Lorentz force. Heat transfer effects have been carried out for constant heat flux and Newtonian heating systems. The transformed governing equations of the flow model are solved by using the spectral relaxation method (SRM), taking into account similarity transformations. The effects of controlling parameters on flow and derived quantities have been presented in the form of graphs and tables. Numerical benchmarks are used to characterise the effects of skin friction and heat transfer rates. It is noticed that in the case of Newtonian heating, the rate of heat transfer is higher than that in the constant heat flux case. As the stretching parameter increases, the fluid temperature decreases in both Newtonian heating and constant heat flux. It was discovered that successive over (under) relaxation (SOR) approaches will considerably boost the convergence speed and stability of the SRM system. The current findings strongly agree with earlier studies in the case of Newtonian fluid when the magnetic field is absent.

Suggested Citation

  • Pothala Jayalakshmi & Mopuri Obulesu & Charan Kumar Ganteda & Malaraju Changal Raju & Sibyala Vijayakumar Varma & Giulio Lorenzini, 2023. "Heat Transfer Analysis of Sisko Fluid Flow over a Stretching Sheet in a Conducting Field with Newtonian Heating and Constant Heat Flux," Energies, MDPI, vol. 16(7), pages 1-21, March.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:7:p:3183-:d:1113354
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    References listed on IDEAS

    as
    1. Masood Khan & Rabia Malik & Asif Munir & Waqar Azeem Khan, 2015. "Flow and Heat Transfer to Sisko Nanofluid over a Nonlinear Stretching Sheet," PLOS ONE, Public Library of Science, vol. 10(5), pages 1-13, May.
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