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An LNG-based system for the combined production of power and cooling.

Un système basé sur le GNL pour la production combinée d'électricité et de froid.

Numéro : 1202

Auteurs : ATIENZA-MARQUEZ A., BRUNO J. C., CORONAS A.

Résumé

Liquefied Natural Gas (LNG) is forecasted to be crucial in the energetic transition towards a decarbonized economy. Apart from its environmental advantages, LNG is thermodynamically attractive for many industrial applications because of its very low temperature (111 K). However, that cold energy is rarely recovered in conventional LNG-regasification processes. This paper investigates a system for LNG cold recovery and the combined production of power and cooling for air-conditioning applications at buildings. Electricity is produced in a direct expansion unit and in a cryogenic Organic Rankine Cycle. On the other hand, cooling is produced directly in heat exchangers that recover LNG’s cold energy. The system produces 6.05 MW of electricity and has a cooling capacity of 5.86 MW which could be increased using a cold energy storage. Exergy destruction rates are still high and a low-temperature refrigeration unit could be integrated in the system to enhance the performance of the plant.

Documents disponibles

Format PDF

Pages : 8

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : An LNG-based system for the combined production of power and cooling.
  • Identifiant de la fiche : 30027757
  • Langues : Anglais
  • Sujet : Technologie
  • Source : IIR Rankine Conference 2020.
  • Date d'édition : 31/07/2020
  • DOI : http://dx.doi.org/10.18462/iir.rankine.2020.1202

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