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Feasibility study of small-scale gas engine integrated with innovative net-zero water desiccant cooling system and single-effect thermal desalination unit.

Étude de faisabilité d’un moteur à gaz à petite échelle intégré à un système innovant de refroidissement à déshydratant à consommation d’eau nulle et à une unité de dessalement thermique à simple effet.

Auteurs : ASADI A., MERATIZAMAN M., HOSSEINJANI A. A.

Type d'article : Article de la RIF

Résumé

In hot and humid regions, vapor-compression cooling systems impose high power demand to grid and increase peak of the load. While thermally activated cooling systems can be a sustainable solution, they are even more beneficial when driven by waste heat. In this paper, a multi-generation system including gas engine, desiccant cooling system and thermal desalination system is studied under three different weather conditions. In the desiccant system, two innovative cycles are applied in which the humidity of regeneration air is higher than conventional systems. Therefore, dew point temperature will be high enough for water condensation. The results show it can compensate for 121% of consumed water in humid areas. Moreover, thermal COP is within range of 0.61–1 in studied cities. While the cooling system uses the jacket water heat, desalination system is powered by the flue gasses. It can annually desalinate 1,122 and 1,817 m3 water by heats of the engines with powers of 33 and 55 kVA. Economic investigation shows levelized cost of cooling is within range of 1.5 to 20 US cents depending on the system size and weather conditions. Besides the water price, the difference between electricity and gas prices plays a key role in system economic feasibility.

Documents disponibles

Format PDF

Pages : 276-293

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 : Feasibility study of small-scale gas engine integrated with innovative net-zero water desiccant cooling system and single-effect thermal desalination unit.
  • Identifiant de la fiche : 30027801
  • Langues : Anglais
  • Sujet : Technologie
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 119
  • Date d'édition : 11/2020
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2020.06.025
  • Disponible à la bibliothèque de l'IIF

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