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Dual solutions for mixed convection flow of SiO2−Al2O3/water hybrid nanofluid near the stagnation point over a curved surface

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  • Khan, M. Riaz
  • Pan, Kejia
  • Khan, Arif Ullah
  • Nadeem, S.

Abstract

The major focus of this work is to examine the results of steady mixed convection flow of SiO2−Al2O3/water hybrid nanofluid near the stagnation point with the curved surface of radius R and mass suction S. Hybrid nanofluid is taken into consideration by suspending a couple of distinct nanoparticles (SiO2 and Al2O3) into pure water. Depending on similarity variables, the governing equations with associated boundary conditions are modified to formulate a normalized boundary value problem of coupled differential equations and the MATLAB problem solver bvp4c is efficient to resolve the resulting problem. From this study it is determined that the skin friction coefficient and local Nusselt number of hybrid nanofluid improves with high values of mass suction and nanoparticles concentration while increasing curvature K declines the skin friction coefficient and gives rise to a poor performance of heat transfer. Moreover, the improvement of thermal boundary layer and velocity boundary layer take place with powerful concentration of SiO2 and Al2O3 and greater values of curvature K. Some interesting results for the flat sheet (K→∞) were also computed.

Suggested Citation

  • Khan, M. Riaz & Pan, Kejia & Khan, Arif Ullah & Nadeem, S., 2020. "Dual solutions for mixed convection flow of SiO2−Al2O3/water hybrid nanofluid near the stagnation point over a curved surface," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 547(C).
    • Handle: RePEc:eee:phsmap:v:547:y:2020:i:c:s0378437119321946
    DOI: 10.1016/j.physa.2019.123959
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    References listed on IDEAS

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    1. Sivasankaran, S. & Alsabery, A.I. & Hashim, I., 2018. "Internal heat generation effect on transient natural convection in a nanofluid-saturated local thermal non-equilibrium porous inclined cavity," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 509(C), pages 275-293.
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    Cited by:

    1. Nur Syazana Anuar & Norfifah Bachok & Ioan Pop, 2021. "Numerical Computation of Dusty Hybrid Nanofluid Flow and Heat Transfer over a Deformable Sheet with Slip Effect," Mathematics, MDPI, vol. 9(6), pages 1-18, March.
    2. Ammar I. Alsabery & Ishak Hashim & Ahmad Hajjar & Mohammad Ghalambaz & Sohail Nadeem & Mohsen Saffari Pour, 2020. "Entropy Generation and Natural Convection Flow of Hybrid Nanofluids in a Partially Divided Wavy Cavity Including Solid Blocks," Energies, MDPI, vol. 13(11), pages 1-25, June.
    3. Iskandar Waini & Anuar Ishak & Ioan Pop, 2021. "Flow towards a Stagnation Region of a Curved Surface in a Hybrid Nanofluid with Buoyancy Effects," Mathematics, MDPI, vol. 9(18), pages 1-13, September.

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