![]() ![]() ![]() A case study was performed in Malé, Maldives. DSCD has several benefits compared to SWAC and RO individually, such as in how the cooling service and water supply are delivered together, reducing distribution costs. It was found that DSCD can supply 49 MWt of cooling and 1 m3/s of water simultaneously with an electricity consumption of 12 MWe. This combination was named Deep Seawater Cooling and Desalination (DSCD). This article proposes the combination of SWAC and reverse osmosis (RO) desalination with the objective of providing desalinated cold water for integrated water supply and cooling services. Coastal areas with narrow continental shelves are the perfect site for implementing Seawater Air Conditioning (SWAC), a renewable and low CO 2 emission cooling process. In addition, there is a rise in water demand due to population increase, life quality, and global warming. The demand for cooling is rising steadily, driven by global warming and rapidly increasing living standards in developing economies. ![]() In tropical climates, the energy consumed by heating, ventilation and air conditioning can exceed 50% of the total energy consumption of a building. This is in addition to the low greenhouse gas emissions. Large energy savings approaching 80% compared to conventional. ![]() The results showed that the SWAC system is the preferred option for its short payback period as well as the minimum net present value when being applied at Sahl-Hasheesh area. The economic analysis was based on two different methods, the simple pay back and the net present value (NPV) method. This study analyzed and sized the major components of the Sea Water Air Conditioning (SWAC) system, determined the operational performance, and estimated the probable costs. This study reports the results of a technical and economical assessment of the potential for using (SWAC) other than conventional vapor compression systems to air condition hotels at a new tourists resort called "Sahl-Hasheesh",18km south of Hurghada, Egypt. The most economically viable use of this deep water is to air-condition buildings through a Sea Water Air Conditioning (SWAC) system. Deep cold ocean and seawater is a valuable natural resource that can be used for energy production, cooling, desalination, aquaculture and agriculture. The rapid increase in non industrial electricity consumption is due to the rural electrification and the presence of many buildings air conditioned in summer using electricity. The energy demand for air conditioning is quite extensive due to the hot and humid summer climate in Egypt. ![]()
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