THERMAL SCIENCE

International Scientific Journal

POTENTIAL OF TUBULAR SOLAR STILL WITH RECTANGULAR TROUGH FOR WATER PRODUCTION UNDER VACUUM CONDITION

ABSTRACT
Water scarcity, energy scarcity, and demographic difficulties are all real concerns for many countries throughout the world. Due to the high solar intensities and long sunshine duration in Saudi Arabia, solar water desalination can be effectively utilized for obtaining fresh water. The aim of this paper is explore the potential of simple-design and plentiful rectangular trough in desalination under vacuum condition. Numerical analysis of the heat and mass transfer of tubular solar still containing rectangular trough was performed. A 2-D code that solves the systems of equations for mass, momentum, concentration, and energy was developed and validated. The effect of the rib and the vertical elevation of the trough on heat and mass transfer were investigated. The numerical results showed that the distillation rate is significantly increased with the increase of the rib of the trough at a minimum of 19.78%. In addition, the distillation rate is increased at a minimum of 12.88% when the trough moves towards the upper side of the glass cover where the condensation takes place.
KEYWORDS
PAPER SUBMITTED: 2021-11-16
PAPER REVISED: 2022-01-30
PAPER ACCEPTED: 2022-02-01
PUBLISHED ONLINE: 2022-03-05
DOI REFERENCE: https://doi.org/10.2298/TSCI211116029B
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2022, VOLUME 26, ISSUE Issue 5, PAGES [4271 - 4283]
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© 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