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- Title
Enhancing energy and exergy efficiency of pyramid solar still through nano-particle integration: a comparative analysis.
- Authors
Al-Abed Allah, Malik Yousef
- Abstract
This paper compares the efficiency and thermal performance of regular pyramid solar stills to those modified with silica or aluminum oxide nanoparticles. The amount of exergy lost by the pyramid solar still's various parts has been estimated, studied, and discussed. The exergy of evaporation is greater at the improved solar stills, and evaporation occurs at a faster rate. Also, compared to regular stills, the upgraded ones have higher energy and exergy efficiency. The impact of varying factors on the performance of solar stills is briefly discussed as well. Maximum energy efficiency for mixes of aluminum oxide and water is 55.29% and for mixtures of silica oxide and water is 41.38%, whereas for the typical still it is just 35.68%. In addition, conventional stills, stills based on silica oxide nanoparticles, and aluminum oxide all had exergy efficiencies of 11.48% or lower throughout the day.
- Subjects
SOLAR stills; ENERGY consumption; PYRAMIDS; ALUMINUM oxide; SILICA nanoparticles
- Publication
Desalination & Water Treatment, 2023, Vol 316, p363
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2023.30202