Ajay Kumar Kaviti, Akkala Siva Ram
In this experimental study, permanent magnets with three different sizes (M-1, M-2, M-3) are fully submerged in a single-slope glass solar still. The performance of magnetic solar stills (MSS) at 2 cm water depth is compared with conventional solar stills (CSS) at a specific geographic location. The Tiwari model is applied to calculate heat transfer coefficients, internal and exergy efficiencies. The results show that MSS with magnets M-1, M-2, and M-3 significantly enhanced convective, radiative, and evaporative heat transfer rates due to magnetic treatment of water, reducing surface tension and increasing hydrogen bonds. The total internal heat transfer coefficient and instantaneous efficiencies for MSS surpassed CSS by 25.52% and 28.8%, respectively, with M-1. Additionally, various magnetic fields from different magnet sizes improved MSS's exergetic efficiency by 33.61% with M-1, 33.76% with M-2, and 42.25% with M-3. Cumulative yield outputs for MSS were 21.66%, 17.64%, and 15.78% higher than CSS for M-1, M-2, and M-3, respectively. This research suggests that using permanent magnets of different sizes in MSS is a viable and cost-effective technique to enhance productivity.
@article{ff75de0a-ccc0-4422-be81-3747f208e581,
title={Influence of fully submerged permanent m},
author={Ajay Kumar Kaviti and Akkala Siva Ram},
year={2026},
language={en}
}TY - JOUR TI - Influence of fully submerged permanent m AU - Ajay Kumar Kaviti AU - Akkala Siva Ram PY - 2026 LA - en ER -
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