Citation

Loh, Amos Kok Wy (2024) Modelling the effect of particle migration on thermal transport of a Nanofluids-Cooled Microchannel Heat Sink. Masters thesis, Multimedia University.

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Abstract

This thesis investigates the combined effect of particle migration, specifically Brownian diffusion and thermophoresis, and viscous dissipation on the fluid flow and heat transfer in an asymmetrically heated nanofluids-cooled microchannel heat sink. The research begins with an analysis of a singular parallel-plate microchannel using alumina-oxide water and titania-oxide water nanofluids, by employing an iterative Runge-Kutta fourth-order method. Then the work extends to explore a titania-oxide water nanofluid flow in a microchannel heat sink incorporated with solid fins, modelled using the porous medium approach and the local thermal non-equilibrium assumption. The coupled equations of the microchannel heat sink model are solved numerically using MATLAB’s BVP4C solver. Viscous dissipation amplifies the effect of particle migration on both the concentration and temperature distribution, causing a shift in the highest concentration and lowest fluid temperature away from the adiabatic wall, leading to a redistribution of the spatial variation of thermal conductivity and viscosity, and has an adverse effect on the Nusselt number,

Item Type:	Thesis (Masters)
Additional Information:	Call No.: TJ853.4.M53 L64 2024
Uncontrolled Keywords:	Nanofluids
Subjects:	T Technology > TJ Mechanical Engineering and Machinery > TJ836-927 Hydraulic machinery
Divisions:	Faculty of Engineering and Technology (FET)
Depositing User:	Ms Nurul Iqtiani Ahmad
Date Deposited:	03 Feb 2025 06:19
Last Modified:	03 Feb 2025 06:19
URII:	http://shdl.mmu.edu.my/id/eprint/13346

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