Abstract

This research, a conical solar still was constructed under various atmospheric conditions of Basra city, Iraq, Latitude 30° 33′ 56.55″N, Longitude 47° 45′ 5.86″E. The Basra city well-knows of plentiful of solar radiation intensity. The still contains a basin with total area of (314 cm2). In addition, one of stills was provided with external reflector, in order to reflect the direct sunlight to the absorber surface. The solar still was prepared from available local materials. The experimental results showed the thermal efficiency arrived to (58 %) for conical solar still with external reflector of the day 23 August 2023, and the solar radiation arrived to (6271 w/m2) at same date. Aim of the research, a mathematical simulation was conducted to calculate the rate of production per hour for solar still, and the results of these calculation were compared to the productivity which found experimentally.

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