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Design and modelling of hot-wall condensers in domestic refrigerators.

Author(s) : BANSAL P. K., CHIN T. C.

Type of article: Article

Summary

This paper presents the experimental and modelling results of hot-wall condensers that are commonly used in domestic vapour compression based refrigerators. Experiments were carried out on a real refrigerator using R134a as the refrigerant to obtain the condenser capacity, pressure loss and degree of sub-cooling under different operating conditions. A simulation model was developed to analyse the heat transfer characteristics of the condenser. The model was based on finite element and variable conductance approach using a combination of thermodynamic correlations. The modelling results are found to disagree with the experimental results by about 10%; however, this discrepancy could be attributed to the unmodelled heat infiltration from the condenser into the refrigerating compartment.

Details

  • Original title: Design and modelling of hot-wall condensers in domestic refrigerators.
  • Record ID : 2003-2753
  • Languages: English
  • Source: Applied thermal Engineering - vol. 22 - n. 14
  • Publication date: 2002/10

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