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Alternative energy test method for frost-free refrigerators and freezers.

Number: pap. 2101

Author(s) : HERMES C. J. L., MELO C., KNABBEN F. T.

Summary

This paper outlines an alternative test method to evaluate the energy consumption of frost-free refrigerators and freezers for residential applications. While the standardized methods require the refrigerating appliance to be kept running according to its onboard control system, which usually drives the refrigerator through an on-off cycling pattern, the proposed approach assesses the refrigerator energy performance in the steady-state regime, being therefore much faster and more reliable. In this procedure, the cooling capacity is matched to the cooling loads by PID-controlled electrical heaters installed within the refrigerated compartments, so that the compartment temperatures are kept at the desired standardized levels. Comparisons between the experimental results obtained using the steady-state energy (SSE) test and the standardized procedures showed that the former follows closely the trends observed for the latter.

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Pages: 9 p.

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Details

  • Original title: Alternative energy test method for frost-free refrigerators and freezers.
  • Record ID : 30006500
  • Languages: English
  • Source: 2012 Purdue Conferences. 14th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2012/07/16

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