Effect of porous material and black coating on solar desalination for sustainable water harvesting: A thermo-exergo-economic and environmental analysis.

Naveen Sharma, Ajay Kumar, Robert Cep, Monika, Ajit Katiyar

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Naveen SharmaDepartment of Mechanical Engineering, Netaji Subhas University of Technology, New Delh, 110078, India.

Ajay KumarDepartment of Mechanical Engineering, School of Engineering, Faculty of Science, Technology & Architecture, Manipal University Jaipur, Jaipur, 303007, Rajasthan, India. ajay.kumar1@jaipur.manipal.edu.ORCID http://orcid.org/0000-0001-7306-1902

Robert CepDepartment of Machining, Assembly and Engineering Metrology, Faculty of Mechanical Engineering, VSB-Technical University of Ostrava, 70800, Ostrava, Czech Republic.

MonikaDepartment of Geoinformatics, Netaji Subhas University of Technology, New Delh, 110078, India.

Ajit KatiyarDepartment of Mechanical Engineering, Manav Rachna University, Faridabad, Haryana, 121004, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The aim of this research is to improve the amount of freshwater yield of a square base pyramidal solar still (SBPSS) using porous material with and without black coating for sustainable water harvesting. Seven separate cases, i.e., smooth basin (C-A1), an absorber plate with clay pots facing upward (C-A2), upward-downward (C-A3), downward (C-A4) and clay pots with black coating facing upward (C-A5), upward-downward (C-A6), downward (C-A7), were tested under the meteorological conditions of Andhra Pradesh (16.6834°N, 80.3904°E), India. To mitigate the impact of fluctuations in solar radiation, the tests were carried out specifically from 7:00 AM to 7:00 PM, focusing on days, especially, with clear sky. The influence of porous material and black coating on the performance of SBPSS is investigated from the viewpoints of thermo-exergo-economic parameters. By putting clay pots inside the basin, the freshwater yield increases up to 2.04 L/m

Indexed as

Black coatingPorous materialProductivity enhancementSolar energyThermo-economic analysis

Identifiers

PMID41461832

DOI10.1038/s41598-025-31246-0

PMCPMC12749787

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