Effect of Diffrent Absorbing Materials on Th Performance of Basin Solar Still Under Libyan Climate Conditions

Essaied     Shuia; Elsayed   El-Agouz

doi:10.51646/jsesd.v2i1.92

Authors

Essaied M. Shuia Mech. Eng. Dep., Faculty of Eng. Sabrata, Azzawia University, 31126, Libya
Elsayed A. El-Agouz Mech. Power Eng. Dep., Faculty of Eng., Tanta University, 31511, Egypt

DOI:

https://doi.org/10.51646/jsesd.v2i1.92

Keywords:

Solar still , Thermal performance , Painting , Absorbing materials , Water collection , Libyan climate

Abstract

This experimental study deals with a single-basin solar still using various absorbing materials with and without black painting. Different types of absorbing materials with and without black painting were used to enhance the solar still productivity through
improvement in absorptivity. Those materials are steel and aluminum with and without black painting and rubber. Two identical solar stills were manufactured using locally available materials. All the results were compared together to reach the best absorbing materials with and without painting that can be used for solar still. It was found that the rubber absorber has the highest water collection during the daytime, followed by the black painted steel absorber, then by black-painted aluminum absorber and steel without painting absorber. The average enhancement in the daily productivity was about 50% for the rubber absorber compared
with the black painted aluminum absorber and about 43% for the rubber absorber compared with the black painted steel absorber.

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