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Evaluation of HFO-1234yf as a potential replacement for R134a in refrigeration applications.

Author(s) : LECK T. J.

Summary

In response to concerns about the contribution of fluorocarbon refrigerants to global climate change, a new, more environmentally sustainable, refrigerant molecule has been developed and is being evaluated. This new molecule is the hydrofluoroolefin 2,3,3,3,-tetrafluoroprop-1-ene, or HFO-1234yf. The molecule has been shown to be stable inside refrigeration equipment, but to quickly decompose if accidentally released into the atmosphere. (Nielsen, 2007) This paper presents results of work to develop a Martin Hou equation of state model for calculation of thermophysical properties of this new molecule. Thermodynamic cycle calculations have been performed to compare this new gas with R134a in a refrigeration system. Results of work to evaluate the stability and compatibility of this gas with refrigeration system lubricants and materials, and evaluations of the performance of this gas as a working fluid in refrigeration applications are described.

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Pages: 2009-5

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Details

  • Original title: Evaluation of HFO-1234yf as a potential replacement for R134a in refrigeration applications.
  • Record ID : 2009-1909
  • Languages: English
  • Source: 3rd Conference on Thermophysical Properties and Transfer Processes of Refrigerants
  • Publication date: 2009/06/23

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