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Options for a two-stage transcritical carbon dioxide cycle.

Author(s) : HUFF H. J., HWANG Y., RADERMACHER R.

Summary

The paper provides an energy efficiency improvement opportunity for carbon dioxide cycles by implementing a two-stage compression process. Three different variations of a two-stage vapour compression cycle have been studied by using simplified modelling assumptions. For each cycle, the potential benefits of utilizing an internal heat exchanger, a suction line heat exchanger, and intermediate cooling between the compressor stages have been investigated. Based on model calculations, the split two-stage cycle is the best, and constitutes a feasible option for improving the efficiency of the carbon dioxide transcritical cycle. The cycle is in the process of being experimentally confirmed.

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Pages: 2002-5

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Details

  • Original title: Options for a two-stage transcritical carbon dioxide cycle.
  • Record ID : 2003-2252
  • Languages: English
  • Publication date: 2002/09/17
  • Source: Source: Proc. 5th IIR-Gustav Lorentzen Conf. nat. Working Fluids, Guangzhou/ C. R. Conf. Guangzhou, IIF
    2002-5; sess. 1; pap. 18; 158-164; fig.; tabl.; 3 ref.

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