A thermodynamic analysis and optimization of a large refrigeration system

Some new concepts that simplify the analysis and improve the accuracy of the results are provided and applied to the thermodynamic analysis and optimization of a refrigeration system. It is shown that a large quantity of exergy is wasted during the system running, decreasing the exergy efficiency of the system. Methods to reduce the quantity of exergy converted into energy without being utilized are considered. An operating scheme suitable for different conditions is provided and shown to increase exergy efficiency about 70%. From the viewpoint of exergy analysis, there are some problems in the system design. There are many cells with zero or very small efficiencies. Additional studies are required to optimize the design of the system.<
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