International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064




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Masters Thesis | Thermal Engineering | India | Volume 13 Issue 5, May 2024 | Rating: 5 / 10


Experimental Investigation on the Performance Enhancement of Conventional Solar Still by Using Nano Particles, Wick and Gravels Integrated with Condenser Cooling

Manishkumar Prajapati | Dr. Manish Mehta [2] | Vivek Patel


Abstract: Solar still is generally used for extraction of salt and purification of brackish water for drinking, agricultural and industrial purposes. Less volume of distillation output from solar still is a serious concern. Hence, an experimental setup is manufactured and fabricated for the same. Objective is to increase the evaporation and condensation in solar still by using nano particles, wick and gravels integrated with condenser cooling. To enhance the evaporation in single slope solar still, the combinations of nanoparticles, gravel and black wick are used in the still basin. For condensation improvement, the still in connected with a horizontal tubular air cooled aluminium condenser. In the experiment, temperature at basin, temperature at inner glass surface and distillation output are measured for three cases namely, Case - 1: Comparison between Conventional Solar Still and Revised Solar still having gravels immersed in basin Case - 2: Comparison between Conventional Solar Still and Revised Solar still having gravels immersed in basin and covered with black wick and Case - 3: Comparison between Conventional Solar Still and Revised Solar still having gravels immersed in aluminium oxide nano fluid (1% wt concentration in the saline water) in the basin and covered with black wick. The experimentally measured results of revised solar still is compared with the results using conventional solar still to assess the enhancement. The maximum basin water temperature achieved for revised solar still in Case - 1, Case - 2 and Case - 3 are 62.3 ?C, 57.9 ?C and 61.7 ?C respectively. The maximum cumulative distillate output for revised solar still in Case - 1, Case - 2 and Case - 3 are 0.87 liters, 0.88 liters and 0.93 liters respectively. For Case - 1, Case - 2 and Case - 3, revised solar still gave a total of 42.63%, 46.67% and 47.62 % higher distillate output than conventional solar still.


Keywords: Solar desalination, Distillation output, Nano particles, Gravels, Wick, Condenser cooling


Edition: Volume 13 Issue 5, May 2024,


Pages: 1074 - 1081



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