DESIGN OF SOLAR ABSORPTION AIR CONDITIONING SYSTEM FOR SMALL OFFICE BUILDING
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Abstract
The demand for indoor cooling is on the increase especially in a tropical weather country like Nigeria. Air conditioning has been the most common cooling mechanism for providing indoor cooling for office buildings. However, the conventional air conditioners consume a lot of electricity and also make use of chlorofluorocarbon (CFC) and hydrofluorocarbon (HCFC) refrigerants which contribute to global warming. The solar absorption air conditioning system utilizes heat from solar radiation to drive an absorption system which produces the refrigerating effect. A lot of research work has been carried out to analyse and improve the system. The aim of this project work is to design a solar absorption air conditioner by determining the size and type of the required solar collector and the maximum coefficient of performance (COP) that can be achieved by varying the generator temperature. The solar collector area with an efficiency of 0.76 was calculated to be 2.375m2, for an optimum generator temperature of 950C. The COP at this generator temperature was calculated to be 0.736
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