Thermodynamic analysis of different two-stage transcritical carbon dioxide cycles (Articolo in rivista)

Type
Label
  • Thermodynamic analysis of different two-stage transcritical carbon dioxide cycles (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.ijrefrig.2008.10.001 (literal)
Alternative label
  • Luca Cecchinato; Manuel Chiarello; Marco Corradi; Ezio Fornasieri; Silvia Minetto; Paolo Stringari; Claudio Zilio (2008)
    Thermodynamic analysis of different two-stage transcritical carbon dioxide cycles
    in International journal of refrigeration
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Luca Cecchinato; Manuel Chiarello; Marco Corradi; Ezio Fornasieri; Silvia Minetto; Paolo Stringari; Claudio Zilio (literal)
Pagina inizio
  • 1058 (literal)
Pagina fine
  • 1067 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 32 (literal)
Rivista
Note
  • Scopus (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Fisica Tecnica, Universita` di Padova, via Venezia 1, I-35131 Padova, Italy (literal)
Titolo
  • Thermodynamic analysis of different two-stage transcritical carbon dioxide cycles (literal)
Abstract
  • The aim of this paper is the thermodynamic evaluation and optimisation of different twostage transcritical carbon dioxide cycles. Five different cycles are studied: basic singlestage cycle, single-throttling with two-stage compression cycle, split cycle, phase separation cycle and single-stage cycle coupled with a gas cooling circuit. Each basic cycle is analysed for the effect of internal heat transfer between different streams of refrigerants. In the case of two-stage compression, intermediate cooling between the compressor stages is present. An analysis on the Plank cycle for intermediate pressure higher than critical one is performed. Each cycle is optimised with regards to energy performance, calculating the optimal values of both the upper and the intermediate pressures. In the case of split cycle, the ratio of the mass flow rate in the main stream to the one in the auxiliary stream is also optimised (literal)
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