Modeling of solar thermal cooling system in Hatta-Dubai
Feb 25, 2018
DOI:
Published in: 2018 5th International Conference on Renewable Energy: Generation and Applications (ICREGA)
The use of solar power to provide cooling requirements is the most appropriate solution for UAE. In this paper, two cooling systems were designed and modelled using TRNSYS. Both systems are similar to each other with one difference which is the chiller type. Absorption & Adsorption chillers were used and both of them use hot water as a fuel which is provided to them by the evacuated tubes solar collector. The cooling load of the case study villa is 11.8kW. The results showed that the absorption chiller has a COP of 0.6 while the adsorption chiller has a COP of 0.4. The solar collector area required in case of absorption and adsorption was 48m2, 64m2 respectively. The cooling effect extracted from Absorption chiller was slightly less than the one extracted from Adsorption chiller. However, both systems were able to provide the cooling load required by the case study villa located in Hatta-Dubai with an area of 330m2 and a total volume of 1337m3, to maintain an average room temperature of 23o C.
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