Exact(5)
Results indicate that combing the double-effect parallel absorption refrigeration system with ejector-expansion system gives the highest coefficient of performance among the other configurations.
The analysis results indicate that the highest coefficient of performance (COP), highest heat flux pumping capability of the TEC and lowest cold side temperature can be achieved by selecting an optimal heat transfer area allocation ratio.
The results of the energy and exergy analysis indicate that Case 6 gives the highest coefficient of performance (COP) and the maximum exergy efficiency compared to the baseline case, which are 15.51% and 18.76% respectively.
For the system of methyl fluoride, cyclopentane and water, the highest coefficient of performance was 8.01 8.97, For the system of methyl fluoride, monofluoro cyclopentane and water, the best coefficient of performance was 7.58 8.49.
With this information, at a moderate condenser and generator temperature of 30 and 85 °C, respectively, the HYCERS working with R134a had the best operation with a highest coefficient of performance of 0.48 and an exergy efficiency of 0.25.
Similar(3)
The prototype unit is able to achieve a high coefficient of performance (COP) of 4.5.
By utilizing the relatively stable temperature of groundwater, GWHP system can achieve a higher coefficient of performance.
The measured performance shows that the HTHP can stably provide an outlet water temperature of up to 85 °C with a high coefficient of performance (COP).
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