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MHD Nanofluidic Convective Behavior in a Hexagonal-Shaped Thermal System

Lecture Notes in Mechanical Engineering, ISSN: 2195-4364, Page: 13-23
2024
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Conference Paper Description

Nanofluidic thermal flow characteristics of magnetohydrodynamic convection in a complex hexagonal cavity-like thermal system are investigated numerically utilizing CuO-water nanofluid. The bottom portion of the complex geometry is partially heated to a uniform temperature T while the two inclined upper sidewalls of the cavity are kept at a lower temperature T. The rest portion of the enclosure is insulated. In order to analyze the heat flow dynamics within the geometry, the finite element method-based solver is utilized to solve the transport equations. The obtained results are illustrated using local as well as global quantities. The study is conducted for the appropriate range of involved parameters, Rayleigh number (10 ≤ Ra ≤ 10), Hartmann number (0 ≤ Ha ≤ 70), and angle of the magnetic field (0 ≤ γ ≤ 70). Furthermore, the heat flow dynamics from the heater to the cooler are scrutinized using the heatlines. The flow structures and temperature characteristics reveal many interesting distribution patterns. Nanofluidic thermal-fluid phenomena are heavily influenced by the Rayleigh and Hartmann number variations with the appearance of multi-vortex flow structures.

Bibliographic Details

Husain Tamim Bamboowala; Niloy Sen; Soutrik Nag; Nirmal K. Manna; Nirmalendu Biswas; Dipak Kumar Mandal

Springer Science and Business Media LLC

Engineering; Chemical Engineering

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