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Potentiels des mélanges zéotropes avec des glissements de température élevés utilisés comme fluides actifs pour les cycles organiques de Rankine (ORC) et les pompes à chaleur.

Potentials of zeotropic mixtures with large temperature glides as working fluids for organic rankine cycles (ORC) and heat pumps.

Numéro : 1125

Auteurs : MEYER B. G., THOMAS C., HESSE U.

Résumé

Nowadays, zeotropic mixtures with a temperature glide up to 15 K are the state of the art in air-conditioning. Less attention is paid to mixtures with larger temperature glides (LTG). The small number of research activities can be explained by the lack of promising applications as refrigerants in cooling applications. However, these glides can be beneficial for heat pump applications and Organic Rankine Cycles (ORC), since these systems mainly operate with sensible heat sources and heat sinks. The paper points out the potentials of LTG working fluids in heat pumps and ORC and discusses fluid combinations for different temperature levels. The limits of these applications are identified, an overview about challenges reported in the literature are presented and the advantages are demonstrated. Especially a new kind of ORC is presented, which operates as a heat transformer integrated in an industrial heat recovery system.

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Format PDF

Pages : 9

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  • Prix public

    20 €

  • Prix membre*

    Gratuit

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Détails

  • Titre original : Potentials of zeotropic mixtures with large temperature glides as working fluids for organic rankine cycles (ORC) and heat pumps.
  • Identifiant de la fiche : 30027653
  • Langues : Anglais
  • Source : IIR Rankine Conference 2020.
  • Date d'édition : 31/07/2020
  • DOI : http://dx.doi.org/10.18462/iir.rankine.2020.1125

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