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Thermodynamic optimization of the irreversible reversed cycle: the case of a vapour compression machine.

Optimisation thermodynamique de cycle inversé irreversible : cas d'une machine à compression de vapeur.

Author(s) : FEIDT M., BENELMIR R.

Summary

An original approach to the optimization of energy systems is presented for the case of a dithermal machine. The approach is based on the introduction of a new requirement: the preservation of the exchange surface. In addition, heat losses are taken into account through the intermediary of a pseudo-conductance between the hot and cold reservoirs. The optimization procedure is based on the Lagrange multipliers method in which the objective function for the case of a refrigerating machine is either the work of the compressor or the refrigerating capacity. A sensitivity study was done based on the fluid temperatures in contact with the reservoirs. The results presented validate and generalize the results obtained in preceeding work.

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Pages: 178-186

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Details

  • Original title: Optimisation thermodynamique de cycle inversé irreversible : cas d'une machine à compression de vapeur.
  • Record ID : 1996-2115
  • Languages: French
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20
  • Document available for consultation in the library of the IIR headquarters only.

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