THERMAL SCIENCE

International Scientific Journal

Gowrishankar Raju

,

Surrya Prakash Dillibabu

,

Anu Tonk

,

Sathish Kumar Shanmugam

A COMPARATIVE STUDY FOR ENHANCING SOLAR STILL PERFORMANCE AND EFFICIENCY THROUGH PCM-INTEGRATED FIN DESIGN

ABSTRACT
This study introduces a novel solar still design that stores energy in a PCM with the use of fins. Three distinct types of stills were considered for this study of the fin and energy storage unit. Type I stills were conventional type, whereas Type II stills added round hollow fins above the basin liner. As with Type II, Type III used fins in addition a PCM-packed energy storage unit located below the basin liner. Over the basin liner, fins were added to the absorber to increase its surface area. Experiments were conducted using all three types, with the water level in the basin maintained at 3 cm throughout. It was calculated that conventional solar still may produce up to 3.25 L per m2 per day. In contrast, Type II and Type III show increases in production of 17.54% and 48.61%, and 55.69%, respectively. In addition, modified solar still is proven to have a shorter pay-back period than conventional solar still.
KEYWORDS
Nocturnal productivity, exergy efficiency, thermal energy storage, solar still, PCM
PAPER SUBMITTED: 2022-11-13
PAPER REVISED: 2023-09-29
PAPER ACCEPTED: 2023-10-05
PUBLISHED ONLINE: 2023-11-11
DOI REFERENCE: https://doi.org/10.2298/TSCI221113249G
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2023, VOLUME 27, ISSUE Issue 6, PAGES [4841 - 4850]
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A comparative study for enhancing solar still performance and efficiency through PCM-integrated fin design

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence