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- Title
Experimental analysis of double slope solar still augmented with dye, pebbles and metal chips.
- Authors
Dubey, Manoj; Mishra, Dhananjay R.
- Abstract
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.
- Subjects
SOLAR stills; HEAT transfer coefficient; PEBBLES; WATER depth; THERMAL efficiency; METALS
- Publication
Environmental Science & Pollution Research, 2021, Vol 28, Issue 17, p22077
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-020-11869-8