Abstract
Empirical investigation of two designs of incline solar water desalination system This paper presents an experimental investigation of two incline solar water desalination (ISWD) systems. One design uses spray jets for spraying water onto the absorber plate, while the other uses a longitudinal slot for getting the inlet water on the absorber plate. The first ever ISWD system constructed and tested by Aybar et al (2005) used the longitudinal slot with a maximum daily production of 2.995 kg/m2 day. The Aybar et al design produced 3.4 kg/m2-day while the new design produced 6.41 kg/m2-day for wick on absorber plate system day during the hottest months in Famagusta (July-August 2010). Also tested was the influence of porous media (wire mesh), wick on the absorber plate. The effect of number of spray jets used in the system on the daily productivity and efficiency of the systems were also investigated.
Highlights
Potable water no longer runs from household taps in Northern Cyprus
Inclined solar water desalination system (ISWD) daily efficiency, ηd, is obtained by summing up the hourly condensate production multiplied by the latent heat of vaporization (L), and divided by the daily average solar radiation over the solar still area and calculated from the following equation: (3) Where t is the time (h), L is the latent heat of vaporization, mev is the mass of distillate per hour
The use of porous media in System “B” did not work as expected; the wire mesh application is limited to the solar air heater
Summary
Potable water no longer runs from household taps in Northern Cyprus (N. Cyprus) for two decades now. At the global level, reverse osmosis (RO) technology is employed to desalinate seawater for the domestic and commercial (mainly hotels) usage This technology is energy intensive and has adverse effect on the environment. High and uncertain increase in fuel costs makes energy intensive desalination techniques unattractive. The use of conventional energy sources to drive these technologies has a negative impact on the environment This is a shortcoming that led to advances in solar desalination innovations. In 2006, Aybar simulated the system using actual deviations of solar intensity and environment temperature during a typical summer day in North Cyprus. In this research work to improve the efficiency/daily productivity of the solar desalination systems, this work intends to present the findings of two ISWDs systems. The work studied the effects of variation in the jets number
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