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In this study, the performance of Plain Walled Microchannel (PWMC) and Oblique Finned Microchannel (OFMC) is studied under the influence of varying magnetic fields (Ha = 0, 10, 20, 30) with constant coolant flow and heat flux. 2% Alumina-water nanofluid is utilized as a coolant. While the thermal performance of both the PWMC and OFMC increases, the hydrothermal performance of PWMC reduces by up to 49% over a base case, while in the case of OFMC maximum 10% increase is observed. This is due to a significantly greater pressure drop observed in the case of PWMC. The velocity profile is seen to be flattened with the increase in applied magnetic fields. This results in the acceleration of flow toward the walls of the microchannel with a corresponding reduction in the core velocity.

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Effects of Magnetic Field on Nanofluid Flow in an Oblique Finned Microchannel

  • 会议论文

  • 发表日期：

    2025年

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  • Achintya Kambli,
  • Prasenjit Dey

摘要

In this study, the performance of Plain Walled Microchannel (PWMC) and Oblique Finned Microchannel (OFMC) is studied under the influence of varying magnetic fields (Ha = 0, 10, 20, 30) with constant coolant flow and heat flux. 2% Alumina-water nanofluid is utilized as a coolant. While the thermal performance of both the PWMC and OFMC increases, the hydrothermal performance of PWMC reduces by up to 49% over a base case, while in the case of OFMC maximum 10% increase is observed. This is due to a significantly greater pressure drop observed in the case of PWMC. The velocity profile is seen to be flattened with the increase in applied magnetic fields. This results in the acceleration of flow toward the walls of the microchannel with a corresponding reduction in the core velocity.