Experimental Performance Investigation of an Original Rotating Solar Still Design under Realistic Meteorological Conditions

Faris Alqurashi, Rached Nciri, Abdulrahman Alghamdi, Chaouki Ali and Faouzi Nasri
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Faris Alqurashi: Mechanical Engineering Department, College of Engineering and Islamic Architecture, Umm Al-Qura University, Makkah 24382, Saudi Arabia
Rached Nciri: Department of Mechanical Engineering, Higher Institute of Technological Studies of Gafsa, General Directorate of Technological Studies, Rades Medina 2098, Tunisia
Abdulrahman Alghamdi: Mechanical Engineering Department, College of Engineering and Islamic Architecture, Umm Al-Qura University, Makkah 24382, Saudi Arabia
Chaouki Ali: Laboratory of Electro-Mechanical Systems (LASEM), National Engineering School of Sfax-ENIS, B.P. W3038, University of Sfax, Sfax 3038, Tunisia
Faouzi Nasri: Mechanical Engineering Department, College of Engineering, University of Bisha, Bisha 61922, Saudi Arabia

Energies, 2022, vol. 15, issue 11, 1-16

Abstract: This research article proposes a novel design of solar still; furthermore, it investigates, experimentally, its thermal and productivity performances, as well as its efficiency, under the realistic meteorological conditions of the city of Gafsa, Tunisia (34.4311° N, 8.7757° E), in terms of ambient temperature and solar irradiance. The novel proposed design presents a cylindrical solar still with a rotating transparent plastic (Plexiglass) cover, wiped continuously on the inner surface. A specific technological configuration of the evaporation and condensation compartments is elaborated. A real prototype is manufactured in order to carry out the performance experimental investigation. A performance comparison is carried out between the cylindrical transparent plastic cover rotating and it being fixed, for two experimentation days presenting slightly different meteorological conditions. The experimental water and plastic cover temperatures, the hourly and the cumulative water production, as well as the hourly efficiency are deeply quantified and interpreted.

Keywords: solar still; novel design; rotating cover; transparent plastic (Plexiglass); experimental investigation; thermal performance; water production performance; efficiency (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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