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Forced Convection of Fe 3 O 4 -Water Nanofluid in a Bifurcating Channel under the Effect of Variable Magnetic Field

Author

Listed:
  • Fatih Selimefendigil

    (Department of Mechanical Engineering, Celal Bayar University, Manisa 45140, Turkey)

  • Hakan F. Oztop

    (Department of Mechanical Engineering, Firat University, Elazig 23119, Turkey
    Mechanical Engineering Department, Faculty of Engineering, King Abdulaziz University, P.O. Box 40844, Jeddah 21511, Saudi Arabia)

  • Mikhail A. Sheremet

    (Laboratory on Convective Heat and Mass Transfer, Tomsk State University, 634050 Tomsk, Russia)

  • Nidal Abu-Hamdeh

    (Mechanical Engineering Department, Faculty of Engineering, King Abdulaziz University, P.O. Box 40844, Jeddah 21511, Saudi Arabia)

Abstract

In this study, forced convection of Fe 3 O 4 –water nanofluid in a bifurcating channel was numerically studied under the influence of variable magnetic. Galerkin residual finite element method was used for numerical simulations. Effects of various values of Reynolds number (between 100 and 500), Hartmann number (between 0 and 3), and solid nanoparticle volume fraction (between 0% and 4%) on the convective heat transfer characteristics were analyzed. It was observed that location and size of the re-circulation zones established in the walls of the bifurcating channel strongly influenced by the variable magnetic field and Reynolds number. Average Nusselt number versus Hartmann number showed different characteristics for hot walls of the vertical and horizontal branching channels. The average Nusselt number enhancements were in the range of 12–15% and 9–12% for hot walls of the branching channel in the absence and presence of magnetic field (at Hartmann number of 3).

Suggested Citation

  • Fatih Selimefendigil & Hakan F. Oztop & Mikhail A. Sheremet & Nidal Abu-Hamdeh, 2019. "Forced Convection of Fe 3 O 4 -Water Nanofluid in a Bifurcating Channel under the Effect of Variable Magnetic Field," Energies, MDPI, vol. 12(4), pages 1-16, February.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:4:p:666-:d:207163
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    References listed on IDEAS

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    1. Sheikholeslami, Mohsen & Ganji, Davood Domiri, 2014. "Ferrohydrodynamic and magnetohydrodynamic effects on ferrofluid flow and convective heat transfer," Energy, Elsevier, vol. 75(C), pages 400-410.
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    1. Selimefendigil, Fatih & Öztop, Hakan F., 2021. "Thermoelectric generation in bifurcating channels and efficient modeling by using hybrid CFD and artificial neural networks," Renewable Energy, Elsevier, vol. 172(C), pages 582-598.
    2. Mehrez, Zouhaier & Cafsi, Afif El, 2021. "Heat exchange enhancement of ferrofluid flow into rectangular channel in the presence of a magnetic field," Applied Mathematics and Computation, Elsevier, vol. 391(C).
    3. Nidhal Ben Khedher & Mikhail Sheremet & Abed Saif Alghawli & Abdullah Mohamed & Seyed Abdollah Mansouri Mehryan, 2022. "Effect of Non-Identical Magnetic Fields on Thermomagnetic Convective Flow of a Nanoliquid Using Buongiorno’s Model," Mathematics, MDPI, vol. 10(8), pages 1-19, April.
    4. Gürdal, Mehmet & Arslan, Kamil & Gedik, Engin & Minea, Alina Adriana, 2022. "Effects of using nanofluid, applying a magnetic field, and placing turbulators in channels on the convective heat transfer: A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 162(C).

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