Document Type : Research Article
Authors
1
Department of Mechanical Engineering, Sri Sairam Engineering College, Chennai-600045, Tamil Nadu, India,
2
Mechanical Power Engineering Department, Faculty of Engineering, Tanta University, Egypt,
3
Department of Physics, Faculty of Exact Sciences, University of El Oued, 39000 El Oued, ALGERIA,
4
Department of Physics, Erode Arts and Science College (Autonomous), Erode, Tamil Nadu, India,
Abstract
In the present experimental investigation, Conventional Solar Still (CSS) performances with and without black-painted clay balls are studied at Erode, India. From the investigations, it was found that an energy storage material augments the evening output. Furthermore, energy and exergy efficiencies of the CSS, CSS with clay balls, and CSS with black-painted clay balls were calculated to find out the performance of the stills. The distilled water output of 1.95, 2.8, and 3.43 kg was obtained from the CSS, CSS with clay balls, and CSS with black-painted clay balls, respectively. The calculated energy efficiency of the CSS with black-painted clay balls is 19.7%, the CSS with clay balls is 17%, and the CSS is 14%. Similarly, the exergy efficiency of the CSS with black-painted clay balls is 1.45%, the CSS with clay balls is 1.1%, and the CSS is 0.86%. The distilled water output from the CSS with black-painted clay balls was increased by 43.2% than the CSS. Experimentation proved that the use of black-painted clay balls improved the performance of the CSS during the evening time.
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