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A novel hybrid frost detection and defrosting system for domestic refrigerators.

Nouveau système hybride de détection de givre et de dégivrage pour les réfrigérateurs domestiques.

Auteurs : MALIK A. N., KHAN S. A., LAZOGLU I.

Type d'article : Article de la RIF

Résumé

The frosting is a phenomenon most detrimental to the efficiency of refrigeration systems. The accumulation of frost blocks the airflow, deteriorating the cooling capacity and the coefficient of performance. The commercially available refrigeration systems use a blind and periodic defrosting cycle without any quantification of frost, which leads to lower efficiencies. Considering the new and tougher energy regulations in the refrigerators, nowadays increasing the efficiencies of the refrigerators becomes more critical. In this article, a new hybrid frost detection – defrosting system (HFDDS) is proposed that comprises of a novel photo-capacitive sensing technique and a dual-purpose additively manufacturable sensor and defrosting heater. The HFDDS can detect the formation of frost, measures the thickness of frost from 1.3 to 8 mm with a 5% margin of error, and triggers a defrosting response once a critical frost thickness is attained. The HFDDS is targeted to provide a defrosting on-demand instead of the inefficient blind and periodic defrosting cycles.

Documents disponibles

Format PDF

Pages : 256-268

Disponible

  • Prix public

    15 €

  • Prix membre*

    Gratuit

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

Détails

  • Titre original : A novel hybrid frost detection and defrosting system for domestic refrigerators.
  • Identifiant de la fiche : 30027527
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 117
  • Date d'édition : 09/2020
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2020.05.016
  • Disponible à la bibliothèque de l'IIF

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