With levelized energy cost (LEC) and dynamic investment pay-back period (DIPP) as performance indicators, the economic performance of single-effect LiBr absorption refrigeration systems driven by four different solar collectors were investigated including flat-plate collector, evacuated-tube collector, compound-parabolic collector and parabolic-trough collector. Furthermore, multi-objective optimization of the selected solar powered system was performed based on the exergy efficiency and DIPP. The results showed that the LEC and DIPP of refrigeration system driven by evacuated-tube collector were optimal, and there existed an optimum value of Thf, in which corresponds to the maximum exergy efficiency and minimum LEC. The LEC and DIPP of the system decreased with the increase of cooling capacity as well as solar radiation intensity. Besides, the multi-objective optimization indicated that there was an optimum hot water temperature at the generator inlet that corresponds to the minimum value of multi-objective function.
LI Jing
,
ZHU Chuan-sheng
,
LI Hua-shan
,
WANG Ling-bao
,
GONG Yu-lie
. Economic Analysis of Solar Powered Absorption Refrigeration System Powered by Different Solar Collectors[J]. Advances in New and Renewable Energy, 2018
, 6(5)
: 379
-386
.
DOI: 10.3969/j.issn.2095-560X.2018.05.007
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