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Nodal/Saddle Stagnation Point Slip Flow of an Aqueous Convectional Magnesium Oxide–Gold Hybrid Nanofluid with Viscous Dissipation

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Abstract

In this analysis, convective heat transfer characteristics of a hybrid nanofluid mixture containing magnesium oxide (MgO) and gold (Au) nanoparticles are numerically studied. The impact of slip effects on nodal/saddle stagnation point boundary layer flow with viscous dissipation effect is mathematically modeled. The behavior of nanofluids is studied by employing Tiwari–Das nanofluid model. Pure water is the base fluid in this analysis. The governing partial differential equations with many independent variables are reduced to ordinary differential equations with one independent variable and then numerically solved by the Runge–Kutta–Fehlberg method with the desired accuracy. The outputs showed that MgO–Au/water hybrid nanofluid sharply raises the base fluid's thermal behavior. Results reveal that in the nodal and saddle point areas, the impact of higher slip effects significantly increases the local heat transfer rate.

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Authors and Affiliations

  1. Department of Mathematics, Acharya Nagarjuna University Ongole Campus, Ongole, Andhra Pradesh, 523001, India

    Kotha Gangadhar & R. Edukondala Nayak

  2. Division of Mathematics, Department of Sciences and Humanities, Vignan’s Foundation for Science, Technology and Research, Vadlamudi, Andhra Pradesh, 522 213, India

    M. Venkata Subba Rao

  3. Department of Mathematics, School of Humanities and Sciences, SASTRA Deemed University, Thanjavur, Tamil Nadu, India

    T. Kannan

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  1. Kotha Gangadhar
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  2. R. Edukondala Nayak
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  3. M. Venkata Subba Rao
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  4. T. Kannan
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Correspondence to T. Kannan.

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Gangadhar, K., Edukondala Nayak, R., Venkata Subba Rao, M. et al. Nodal/Saddle Stagnation Point Slip Flow of an Aqueous Convectional Magnesium Oxide–Gold Hybrid Nanofluid with Viscous Dissipation. Arab J Sci Eng 46, 2701–2710 (2021). https://doi.org/10.1007/s13369-020-05195-x

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