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Dynamic behaviour of a direct expansion evaporator under frosting condition. II. Field investigation on a shipping container.

Author(s) : TSO C. P., CHENG Y. C., LAI A. C. K.

Type of article: Article, IJR article

Summary

A field investigation is performed on the frost formation at an evaporator of a commercial full-scale refrigerated container that uses R12 as the working refrigerant. Results, when compared with those from a numerical model presented earlier (see this Bulletin, reference 2006-1677), show that the model is capable of predicting the dynamic behaviour of a direct expansion evaporator under both non-frosting and frosting conditions. The air outlet and energy transferred compare well between experiment and model, and within 20% for the air pressure drop. The frost occurrence and propagation agree well generally, with the frost formation first occurring at the first row where the refrigerant enters the evaporator.

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Pages: 624-631

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Details

  • Original title: Dynamic behaviour of a direct expansion evaporator under frosting condition. II. Field investigation on a shipping container.
  • Record ID : 2006-1681
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 29 - n. 4
  • Publication date: 2006/06

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