الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Solar still is widely used for desalination in a small scale. The construction of this type of still can easily be performed by local manufactures using locally available materials. The operation of this still is simple and requires no skilled person. It requires no hard maintenance and almost no operation and maintenance costs. Productivity of such solar stills is very low. To enhance the productivity of the solar still, various research works are being carried out.
According to previous research, the variation of absorber area has a significant impact on the productivity’s performance. Enhancing the condenser’s shape also contributes to increased productivity. The purpose of this study is to improve the performance of solar stills by concentrating heat on the evaporation surface rather than at the basin’s base. Also, the effect of new condenser shape investigated. The effect of design and operational parameters on the performance of a modified still is therefore investigated experimentally and compared to that of a conventional still in this study.