New engineering design of Scccs1 solar collector with direct absorption surface (corrugated-convex) for solar water heating and sterilizing
DOI:
https://doi.org/10.56714/bjrs.51.2.15Keywords:
Solar Energy, Solar collector, Global warming, Solar heater, Renewable Energy, Solar Heater, StructureAbstract
The Scccs1 solar collector was designed with a direct absorber surface (wavy-convex) to mimic the horizontal movement of the sun. It was integrated with a solar heater to form a natural circulation solar system for heating and sterilizing water using solar energy. The performance and efficiency of the Scccs1 were studied theoretically and practically under various weather conditions in Basra. This model features a new engineering design. The Scccs1 features a direct absorber surface made of aluminum, coated in a matte black color to enhance the surface's heat absorption capacity. The solar collector is integrated with a heat storage system (water tanks within the collector A1 and A2). The water is stored and heated using the thermal energy collected from the heat acquisition stages of the solar system. This system was experimentally evaluated under various loading conditions. The Scccs1 demonstrated efficient performance, recording temperatures of 81 to 105°C for the output water and 50 to 90°C for the storage water from November 2024 to June 2025. This temperature is sufficient for water sterilization. The system does not require horizontal rotation toward the sun. Experimental testing demonstrated that the undulation-convexity of the absorption surface and the convex front surface of the system mimics the horizontal movement of the sun during daylight hours. The Scccs1 operated efficiently in cloudy and partly cloudy conditions with low temperatures. In partly cloudy conditions, the output water temperature was 81°C, and A2 was 56°C. In full cloudy conditions, the output water temperature was 54°C, and A2 was 34°C
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