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Experimental study and performance analysis on a two-stage adsorption freezing cycle driven by low-temperature heat source.

[In Chinese. / En chinois.]

Author(s) : HU Y., WANG J., CAI H., et al.

Type of article: Article

Summary

In order to utilize solar energy or waste heat below 100°C, a two-stage adsorption refrigeration cycle was proposed and a performance test rig was established. The adsorption and desorption performance of adsorbents at different evaporation and condensation temperatures was tested using the CaCl2-BaCl2-NH3 as the working pair. The results show that the present two-stage adsorption refrigeration cycle could obtain cooling output with -20°C when the temperature of heat resource was 85°C. In addition, the cycle adsorption quantity of calcium chloride, COP and SCP of the cycle were 0.598 kg/kg, 0.24, and 106.6 W/kg, respectively, when the temperature of the cooling water was 25°C.

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Pages: pp. 6-11

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