Experimental analysis of double slope solar still augmented with dye, pebbles and metal chips

Double slope solar stills are reported to give lower yields in winter season. In this work an attempt has been made to improve the performance of still with double slope in winter. A comparative experimental and theoretical analysis of conventional and modified single basin still with double slope a...

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Bibliographic Details
Published in:Environmental science and pollution research international 2021-05, Vol.28 (17), p.22077-22090
Main Authors: Dubey, Manoj, Mishra, Dhananjay R.
Format: Article
Language:English
Subjects:
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
basins
Desalination
Drinking water
Dyes
Earth and Environmental Science
Ecotoxicology
Efficiency
Energy storage
Environment
Environmental Chemistry
Environmental Health
Environmental science
Heat transfer
heat transfer coefficient
Heat transfer coefficients
latitude
longitude
Productivity
Radiation
Research Article
solar still
Solar stills
Theoretical analysis
Thermodynamic efficiency
Waste Water Technology
Water depth
Water Management
Water Pollution Control
Winter
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Summary:Double slope solar stills are reported to give lower yields in winter season. In this work an attempt has been made to improve the performance of still with double slope in winter. A comparative experimental and theoretical analysis of conventional and modified single basin still with double slope augmented with black dye, pebbles and iron chips (5 kg each) is reported in this manuscript. The experiments are carried out in the month of November and December in 2017 at meteorological conditions of Jaypee University of Engineering and Technology, Guna (Latitude: 24°39'N, Longitude: 77°19'E). Distillate yield in a modified solar still due to the augmentation has improved by 28.4% as compared with conventional solar still at a common water depth of 0.025 m, whereas its overall heat transfer coefficient and overall thermal efficiency are improved by 55.7 and 25.01%, respectively.
ISSN:0944-1344
1614-7499
DOI:10.1007/s11356-020-11869-8