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Exergy and energy analysis of a tubular solar still with and without fins: a comparative theoretical and experimental approach

  • Ravishankar Sathyamurthy*
  • , Abd Elnaby Kabeel
  • , Ali Chamkha
  • , Hemanth Arun Kumar
  • , Hariprasath Venkateswaran
  • , Athikesavan Muthu Manokar
  • , Ramani Bharathwaaj
  • , Sathiyaseelan Vasanthaseelan
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

One of the major challenges faced by human society is the freshwater crisis and shortage of conventional energy. Solar still is considered as one of the promising sources for the production of freshwater from saline water by desalination method. This paper represents the theoretical and experimental study of tubular solar still with and without fins. In this experimental study, the readings were recorded from 8:00 AM to 6:00 PM. The results of this experiment show that the efficiency of tubular solar still (TSS) with fins and without fins is found as 23.39 and 13.76% respectively. The rate of irreversibility from the basin of TSS with flat is higher than TSS with finned absorber and also the rate of irreversibility from water is significantly reduced by TSS with the finned absorber. The exergy analysis showed the maximum exergy efficiency of about 11.8% from the TSS with fins and about 10.6% from the TSS with a flat absorber.

Original languageEnglish
Pages (from-to)6612-6621
Number of pages10
JournalEnvironmental Science and Pollution Research
Volume29
Issue number5
DOIs
StatePublished - Jan 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 6 - Clean Water and Sanitation
    SDG 6 Clean Water and Sanitation
  2. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Desalination
  • Exergy
  • Fins
  • Flat absorber
  • Tubular solar still

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution
  • Health, Toxicology and Mutagenesis

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