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Étude expérimentale et numérique de la détérioration du condenseur alimenté par ventilateur et de la performance correspondante du réfrigérateur en configuration encastrée.

Experimental and Numerical Study on Fan-Supplied Condenser Deterioration under Built-In Condition and Its Corresponding Refrigerator Performance.

Auteurs : SUN Y., ZHAO R., YANG Y., HUANG D.

Type d'article : Article de périodique

Résumé

The built-in refrigerator has been popular in China in recent years due to users’ high requirements for the integration of home appliances and furnishings. However, the built-in configuration will cause a significant performance deterioration, which has been less quantitively studied. The condenser and its refrigerator performance are compared experimentally and numerically between built-in and free-standing configurations. By contrast with the free-standing condition, the built-in condenser has poor performance attributed to two reasons: 28.6% lower condenser air flowrate and 10.72 °C higher condenser inlet air temperature caused by the hot short-circuited airflow. This heat dissipation deterioration increases the condensing temperature and discharge temperature, resulting in a refrigerator cooling capacity loss. Correspondingly, the compressor increases the rotating speed and power to compensate for the loss. The compressor ON-time ratio reduces by 8% but the average power during the compressor-on period increases by 56.9%, finally increasing the energy consumption by 43.4%. This study also provides some guidance for further heat dissipation and airflow field optimization of built-in refrigerators.

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Pages : 14 p.

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Détails

  • Titre original : Experimental and Numerical Study on Fan-Supplied Condenser Deterioration under Built-In Condition and Its Corresponding Refrigerator Performance.
  • Identifiant de la fiche : 30030951
  • Langues : Anglais
  • Sujet : Technologie
  • Source : Energies - vol. 15 - n. 22
  • Éditeurs : MDPI
  • Date d'édition : 11/2022
  • DOI : http://dx.doi.org/https://doi.org/10.3390/en15228666

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