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Experimental research on the performance of the diffusion absorption refrigerator with mixed fluoride refrigerants.

Author(s) : WANG S. K., WANG J., WANG Y. L., et al.

Type of article: Article, IJR article

Summary

A diffusion absorption refrigerator (DAR) operating with mixed fluoride refrigerants was built to obtain low refrigerating temperature at low generating temperature. Two groups of mixed fluoride refrigerants, R23/R134a and R23/R32/R134a, were tested experimentally. The N,N-dimethylformamide (DMF) and helium were used as the absorbent and inert gas, respectively. For the DAR with R23/R134a, the refrigerating temperature was not obviously influenced by the concentration of R23 in the mixed refrigerant vapor or the amounts of helium. For the DAR with R23/R32/R134a, an optimal concentration of R32 in the mixed refrigerant vapor and an optimal pressure were both found to achieve the lowest refrigerating temperature which was -28.8?°C at a generating temperature of 106.9?°C, and a refrigerating temperature of -23.7?°C was obtained at an extraordinarily low generating temperature of 83.3?°C. It showed the promising potentials of DAR operating with mixed fluoride refrigerants in applications of low temperature refrigeration and efficient utilization of the low-grade thermal energy.

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Pages: 50-59

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Details

  • Original title: Experimental research on the performance of the diffusion absorption refrigerator with mixed fluoride refrigerants.
  • Record ID : 30022173
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 81
  • Publication date: 2017/09
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2017.05.027

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