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Numerical simulation for magnetized non-isothermal nanofluid flow in hexagonal curved cavity with heated obstacle

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  • Shatnawi, Taqi A.M.
  • Khan, Aamir Abbas
  • Hussain, Sajjad
  • Alkarni, Shalan

Abstract

In numerous contexts, the behaviors of flow and heat transfer are considered to be intricate phenomena. The enhancement of thermal communication mechanisms due to the presence of nanoscale particles represents a significant area of research. The significance of free convection in fluids containing nanoparticles across various configurations and constraints cannot be overstated. This study investigates the flow characteristics of a natural convection nanofluid within a hexagon-shaped hollow featuring an internally heated cylinder. Simulations were conducted in the absence of a porous material and an inclined magnetic field. Physical issues are utilized to generate mathematical equations, which are subsequently resolved through the Galerkin weighted residual method within the framework of FEM formulation. The influence of various parameters such as Rayleigh numbers (Ra), Hartmann numbers (Ha), and the volume fraction of nanoparticles on both velocity and temperature. The analysis indicates that the Rayleigh number exhibits a significant increase in both the velocity profile and temperature at elevated values. In a similar manner, the magnetic parameter counteracts the velocity flow and increases the temperature for higher values. The magnetic effect demonstrates a significant outcome for various angles of inclination.

Suggested Citation

  • Shatnawi, Taqi A.M. & Khan, Aamir Abbas & Hussain, Sajjad & Alkarni, Shalan, 2025. "Numerical simulation for magnetized non-isothermal nanofluid flow in hexagonal curved cavity with heated obstacle," Chaos, Solitons & Fractals, Elsevier, vol. 201(P2).
    • Handle: RePEc:eee:chsofr:v:201:y:2025:i:p2:s0960077925012780
    DOI: 10.1016/j.chaos.2025.117265
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