ENHANCEMENT THE SOLAR DISTILLER WATER BY USING PARABOLIC DISH COLLECTOR WITH SINGLE SLOPE SOLAR STILL

Abstract

Water desalination is the method of saltwater separating into two parts by using various types of energy. This paper offers an experimental work for solar distillation system to the production of drinking water by single slope solar still integrated with a parabolic dish. The result was compared with different solar still designs in the literature. The proposed solar thermal performance of the suggested solar still has been investigated to show its applicability in Iraq, Najaf (32.1No, 44.19Eo) during winter session (Nov., Dec., Jan.) 2018-2019. The assessment based on the effects of operational parameters, including solar irradiance, ambient temperature, wind speed, absorption wall temperature. A copper helical conical coil was used to compare steam condensation generated from the evaporator. The productivity of this study was 11.45 L.day-1, 8.2 L.day-1 freshwater with and without coil condenser respectively, and average direct solar irradiance was 753.6 W.m-2. Comparison different types of solar stills, especially those that have used as concentrators of solar irradiance, with comparable periods of work time, indicate excellent performance. Also, this system can be considered acceptable because it can provide distilled water from the use of materials available in local markets and low cost, enough to cover the daily needs of water for at least two adults.

Keywords

• Dual Axis
• Parabolic Dish
• Solar Still
• Thermal Generation
• Water Distillation

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