Abstract
Storing of products at their recommended storage temperatures in a cold store is expensive due to their cost of electricity consumption. In order to avoid the drawbacks of both fossil fuels shortage and chlorofluorocarbon refrigerants, the substitution of a conventional vapor compression refrigeration system by a solar absorption cooling system is a promising alternative to operate the cold stores. Therefore, the main objective of the present work is to simulate and evaluate the performance of solar powered absorption refrigeration system to operate the cold store under Egyptian climatic conditions. To achieve this objective, a simulation model based on the mass and energy conservation equations is developed using TRNSYS software. The results showed that this model predicts data that are very close to the available data in the literature with an average error of 6.21%. The results indicated that the maximum load is 7.12kW in 21- July. Reported results revealed that solar collector area of 100 m2 and storage tank volume of 1.8m3 are required for a maximum cold store load with solar fraction of 0.75.
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