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The Ecological Cost: a suitable criterion for tube sizing in reverse cycle machines.

Number: pap. n. 7

Author(s) : KHEIRI A., FEIDT M., DEL RIVERO O.

Summary

To find the optimal diameters for the connecting tubes in reverse cycle machines the authors use in this paper a new criterion that they have recently developed, the Ecological Cost, “EC" (Kheiri et al. 2011) EC includes the environmental cost, in CO2 equivalent, of the exergy destroyed by head losses in the tubes and the refrigerant mass GWP (global warming potential) in the same tubes, which is also provided by CO2 equivalent. Leakage effect can also be included in EC. The authors develop an expression for the optimal tube diameter on this basis. They consider simple cases with no heat exchange and single-phase fluid flows.

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Pages: 10 p.

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Details

  • Original title: The Ecological Cost: a suitable criterion for tube sizing in reverse cycle machines.
  • Record ID : 30006401
  • Languages: English
  • Source: RCR 2012. 3rd IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems: Valencia, Spain, October 25-26, 2012.
  • Publication date: 2012/10/25

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