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Parametric analysis of hermetic refrigeration compressors.

Author(s) : DAGILIS V., VAITKUS L.

Summary

The compressor's efficiency consists of several components, which are interconnected and have different influences. The biggest amount of energy is used for vapour compression. This part also influences other components of energy consumption: losses for friction and losses in the processes of suction and discharge of vapour (indicated losses). The sum of three components of energy consumption can be determined experimentally, but it is difficult to distinguish them. This article presents a parametric analysis of the compressor. Friction losses were calculated and determined experimentally. Energy consumption for vapour compression was determined by the means of mathematical modelling and also calculated according to standard equations. Methods for estimation of indicated losses and their comparative analysis are also presented. The article shows that friction losses can be determined through mathematical modelling with reasonable accuracy. This allows the deeper analysis of compressors an may contribute to development.

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Pages: 2009-6

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Details

  • Original title: Parametric analysis of hermetic refrigeration compressors.
  • Record ID : 2009-2320
  • Languages: English
  • Source: Compressors 2009: 7th International Conference on Compressors and Coolants
  • Publication date: 2009/09/02

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