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Fabrication and Testing of Conventional Solar Still with Fins.

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Title: Fabrication and Testing of Conventional Solar Still with Fins.
Authors: Mugesh, S.1 srimugesh.2004@gmail.com, Avinash, B.1 avinashbalu155@gmail.com, Suganthan, N.1 nsuganthan2005@gmail.com, Manitharan, N.1 manidharanmani378@gmail.com, Velmurugan, P.2 pvsrlme@gmail.com, Saravanan, S.3 ssvcdm@gmail.com
Source: IUP Journal of Mechanical Engineering. Jan-Mar2026, Vol. 19 Issue 1, p65-74. 10p.
Subjects: Solar stills, Fins (Engineering), Heat capacity, Heat transfer, Water management, Distillation, Renewable energy sources equipment, Solar energy
Abstract: The paper fabricates and tests a conventional solar still (CSS) equipped with plain vertical mild steel fins to assess its thermal and distillation performance. The aim was to improve the water yield by increasing the heat transfer surface area in the basin. The performance was evaluated by monitoring solar radiation intensity, absorber plate temperature, basin water temperature, inner glass surface temperature, and the amount of distillate collected. The solar intensity ranged from 140.5 W/m² in the morning to a peak of 244.9 W/m² at noon. The maximum temperatures recorded were 65.1 °C (absorber), 63.2 °C (water), and 61.6 °C (glass). The use of fins enhanced thermal absorption and heat distribution, resulting in improved water evaporation. A daily average water yield of 1.75 L/m² was achieved, representing a 25% increase compared to a conventional solar still. These results demonstrate the effectiveness of fin integration as a cost-efficient method for enhancing solar still efficiency in rural and off-grid applications. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
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Abstract:The paper fabricates and tests a conventional solar still (CSS) equipped with plain vertical mild steel fins to assess its thermal and distillation performance. The aim was to improve the water yield by increasing the heat transfer surface area in the basin. The performance was evaluated by monitoring solar radiation intensity, absorber plate temperature, basin water temperature, inner glass surface temperature, and the amount of distillate collected. The solar intensity ranged from 140.5 W/m² in the morning to a peak of 244.9 W/m² at noon. The maximum temperatures recorded were 65.1 °C (absorber), 63.2 °C (water), and 61.6 °C (glass). The use of fins enhanced thermal absorption and heat distribution, resulting in improved water evaporation. A daily average water yield of 1.75 L/m² was achieved, representing a 25% increase compared to a conventional solar still. These results demonstrate the effectiveness of fin integration as a cost-efficient method for enhancing solar still efficiency in rural and off-grid applications. [ABSTRACT FROM AUTHOR]
ISSN:09746536
DOI:10.71329/IUPJMECH/2026.19.1.65-74