Abstract

This experimental work is part of increasing the profitability of a new sea water desalination system. The studied system is single stage, using the method of Humidification Dehumidification (HDH) combined, instantaneous (shorten up the HDH cycle), composed of a plate condenser cooled by sea water and the envelope of the system cooled by the ambient air, where the solar energy was used to heat the air and the water in closed system through natural convection. The current study was operated at the laboratory scale to determine the effect of heating the humid air in different altitudes of the unit on its daily production. Thus the temperature in the different part of the system was analyzed to determine its reaction to the variation of altitude Subsequently, its effect on the daily flow rate of distillate. The results justify the feasibility of the proposed system, since we got an augmentation of 8% compared to conventional solar still.

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