Journal ArticleOpen Access
Experimental investigation and performance optimization of a double slope solar still integrated with nanoparticles in phase change materials
Authors
Author Affiliations
University of British Columbia, Rajshahi University of Engineering and Technology, University of British Columbia, Okanagan Campus, Okanagan University College, ...
Published InThermal Science and Engineering Progress
Year2025
Abstract
• Five modified double-slope solar stills with fins, PCM, and nanoparticles. • Single/multi-objective optimization applied to all modified solar still systems. • Energy, exergy, exergo-economic, environmental impact, and sustainability assessments. • Average output of 2.28 L/day—a 270.97 % increase over conventional stills. • High-accuracy RSM model validated via ANOVA, reliable vs. experimental results. By utilizing solar energy for desalination, solar stills offer a sustainable and cost-effective means of providing fresh drinking water in remote and arid regions. Existing studies have primarily focused on improving freshwater productivity while considering economic and environmental feasibility. The present work offers an in-depth assessment of solar still (SS) systems by analyzing energy and exergy performance, exergoeconomic factors (energy-economic factor, exergoeconomic factor, and cost of water),…
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