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New fluid for high temperature applications.

Author(s) : RIVA M., FLOHR F., FRÖBA A.

Summary

As a result of the worldwide increased consumption of energy, energy saving measures come more and more in the focus of commercial acting. Besides the efficiency enhancement of energy consuming systems, the utilization of waste heat is an additional possibility of saving energy. Areas where this might be feasible are geothermal power plants, local combined heat and power plants, solar-thermal-systems and high temperature heat pumps. All these applications need a transfer fluid which secures the transport of the energy from it's source to the place where it is needed at high temperatures. The paper gives a description or overview of promising energy sources and their utilization. The thermophysical properties of an azeotropic binary mixture of HFC-365mfc and a perfluoropolyether which fulfils the requirements on a high temperature working fluid are introduced. First results and practical experiences in an organic Rankine cycle process are shown in this context followed by an estimation regarding the saved energy or the improved efficiency respectively for other applications. The paper also gives a brief outlook on possible new applications.

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Details

  • Original title: New fluid for high temperature applications.
  • Record ID : 2007-1427
  • Languages: English
  • Source: 2006 Purdue Conferences. 18th International Compressor Engineering Conference at Purdue & 11th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
  • Publication date: 2006/07/17

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