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Évaluation des performances de diverses configurations de réfrigérateurs domestiques.

Performance evaluation of various configurations for domestic refrigerators.

Numéro : 2507

Auteurs : YANG C.-M., SHEN B., MUNEESHWARAN M., NAWAZ K., PICKLES E. C., HARTNETT C.

Résumé

The increasing global focus on mitigating global warming has driven a change in refrigerant selection for domestic refrigerators. While most existing refrigerators use R-134a as their working fluid, there is a gradual shift towards R-600a in newly manufactured products to minimize environmental impact. In order to design a more energy-efficient isobutane refrigerator, various configurations, including both single-evaporator and dual-evaporator cycles, were investigated. The study was conducted using a high-fidelity simulation platform, the Heat Pump Design Model (HPDM), developed and experimentally validated by the US DOE/ORNL. This platform includes detailed segmentto-segment heat exchanger model, fan model, and compressor model, utilizing refrigerant properties from REFPROP 10. A quasi-steady-state approach was employed to simulate the transient behavior and performance of a domestic refrigerator. The performance of various configurations was compared, and the effects of the refrigerant
properties and operating conditions were also analyzed and discussed.

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Pages : 10 p.

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Détails

  • Titre original : Performance evaluation of various configurations for domestic refrigerators.
  • Identifiant de la fiche : 30033042
  • Langues : Anglais
  • Sujet : Environnement
  • Source : 2024 Purdue Conferences. 20th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Date d'édition : 17/07/2024

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