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Reduction of the refrigerant-induced noise from the evaporator-inlet pipe in a refrigerator.

Author(s) : HAN H. S., JEONG W. B., KIM M. S., et al.

Type of article: Article, IJR article, Review

Summary

The flow pattern of the refrigerant in an evaporator-inlet pipe is a very important factor for determining the type of refrigerant-induced noise because the shape and size of the bubble are different according to the flow pattern in the pipe. In this study, the relations between refrigerant-induced noise and flow patterns are discussed. The flow patterns of the fluid in horizontal and vertical pipes were also estimated using Hewitt, Taitel-Dukler and Oshinowo-Charles maps. The refrigerant-supplying equipment was used to monitor the characteristics of the flow in the experiments. The shape and layout of evaporator-inlet pipe were suggested not to be the intermittent flow pattern. The noise level radiated from the refrigerator could be reduced by about 2-5 dB in the frequency range from 315 Hz to 3.15 kHz.

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Pages: pp. 1478-1488

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Details

  • Original title: Reduction of the refrigerant-induced noise from the evaporator-inlet pipe in a refrigerator.
  • Record ID : 2010-1172
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 33 - n. 7
  • Publication date: 2010/11

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