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Determining the heat flow through the cabinet walls of household refrigerating appliances.

Author(s) : PAUL A., BAUMHÖGGER E., ELSNER A., MOCZARSKI L., REINEKE M., SONNENREIN G., HUEPPE C., STAMMINGER R., HOELSCHER H., WAGNER H., GRIES U., FREIBERGER A., BECKER W., VRABEC J.

Type of article: IJR article

Summary

The increase of the thermal conductivity of PUR foam in the insulation of the cabinet is an important cause for aging processes of household refrigerating appliances. To determine the influence of the PUR foam aging on energy consumption, the development of a new measurement method is necessary because current methods influence the aging behavior of household refrigerators and are therefore not applicable in general. Based on a latent heat sink, constructed as an ice water bucket, a new measurement method is developed to determine the k · A value over time. With this method, the k · A value of four household refrigerating appliances was determined over an interval of 14 months. The k · A value increased between 3.6% and 11.5% during this period.

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Pages: 235-242

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Details

  • Original title: Determining the heat flow through the cabinet walls of household refrigerating appliances.
  • Record ID : 30028030
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 121
  • Publication date: 2021/01
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2020.10.007

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