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Modelled performance of non-chlorinated substitutes for CFC-11 and CFC-12 in centrifugal chillers.

Author(s) : SAND J. R., FISCHER S. K.

Type of article: Article, IJR article

Summary

A number of partially fluorinated alkanes and ethers were identified as potential alternatives for chlorofluorocarbon (CFC) and hydrogen-containing CFC refrigerants. The compounds were fitted to the Lee-Kessler-Plöcker and Carnahan-Starling-DeSantis equations of state, and refrigerant property routines based on these equations were used to simulate their performance in a single-stage centrifugal chiller as pure refrigerants and nearly azeotropic refrigerant mixtures. Results indicate that several chlorine-free compounds give modelled chiller performance comparable to R11 and R123 and better than R12 and R134a. Blends of these refrigerants may be required to mitigate the inflammability of alternatives that show the best performance.

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Pages: 40-48

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Details

  • Original title: Modelled performance of non-chlorinated substitutes for CFC-11 and CFC-12 in centrifugal chillers.
  • Record ID : 1994-0799
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 17 - n. 1
  • Publication date: 1994/01

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