Enhanced freshwater production in prism-type solar stills using a fresnel lens system with comprehensive energy-exergy and cost analysis

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dc.authorid0000-0003-0671-2861
dc.authorid0000-0003-0671-2861
dc.authorid0000-0003-2601-303X
dc.contributor.authorCeviz, Mehmet Akif
dc.contributor.authorKoksal, Huseyin
dc.contributor.authorAfshari, Faraz
dc.contributor.authorMuratcobanoglu, Burak
dc.date.accessioned2026-02-28T12:17:45Z
dc.date.available2026-02-28T12:17:45Z
dc.date.issued2026
dc.departmentBayburt Üniversitesi
dc.description.abstractThis study presents the development and performance evaluation of a novel prism-type solar still integrated with a Fresnel lens concentration system designed to concentrate solar radiation on an external spiral heat exchanger. Experimental investigations were conducted under two different saline water flow rates of 0.05 and 0.1 kg/min. The performance of system was comprehensively analyzed in terms of fresh water yield, thermal efficiency, exergy efficiency, and economic viability. The heated saline water and resultant vapor were directed into the prism-shaped condensation chamber, where condensation occurred efficiently. The experimental results demonstrated that lower saline water flow rates led to higher water temperatures and enhanced evaporation rates, thereby increasing freshwater productivity. In contrast, higher flow rates resulted in greater accumulation of saline water within the basin, reducing the evaporation rate and thus lowering overall productivity. The proposed design uniquely combines geometric enhancement via a prism-shaped condensation chamber with solar concentration through a Fresnel lens, enabling a dual-effect improvement in energy absorption and condensation efficiency, an approach not previously reported in the literature for solar desalination systems. The system achieved thermal and exergy efficiencies of 22.95 and 15.50%, respectively, at a saline water flow rate of 0.05 kg/min, producing 92 g of clean water in 60 min. Furthermore, the cost analysis conducted indicated a cost of $0.2546 per liter for this scenario.
dc.identifier.doi10.1007/s40430-025-06074-y
dc.identifier.issn1678-5878
dc.identifier.issn1806-3691
dc.identifier.issue2
dc.identifier.scopus2-s2.0-105026839500
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1007/s40430-025-06074-y
dc.identifier.urihttps://hdl.handle.net/20.500.12403/5961
dc.identifier.volume48
dc.identifier.wosWOS:001655641700003
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Heidelberg
dc.relation.ispartofJournal of The Brazilian Society of Mechanical Sciences And Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260218
dc.subjectSolar desalination
dc.subjectFresnel lens
dc.subjectThermal efficiency
dc.subjectExergy
dc.subjectCost analysis
dc.titleEnhanced freshwater production in prism-type solar stills using a fresnel lens system with comprehensive energy-exergy and cost analysis
dc.typeArticle

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