Abstract
Current work explores the potential benefits of incorporating nano-powders into water to enhance the freezing process, focusing on a tank equipped with fins for cold storage. By blending alumina nanoparticles with water, a nanomaterial is created, facilitating improved cold energy absorption through conduction mechanisms. The simplified mathematical model utilized in this study accounts for the dominance of conduction over convection, streamlining the equations for solution via the Galerkin method. Verification of the numerical techniques and assumptions against existing literature ensures the reliability of the model. The outputs illustrated a substantial decrement in completion time, with a 10.64 % decrease observed with an increase in shape factor. The most efficient freezing process occurs in the presence of nanoparticles with the highest shape factor and concentration. In comparison, the freezing time for water alone stands at 5033.7 s, marking a notable 32.7 % decrease with the introduction of nanoparticles.
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