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A design approach for liquid separators applied to household refrigerators.

Author(s) : JANKE I., SANTOS SILVEIRA (dos) A., MELO C.

Type of article: Article, IJR article

Summary

The objective of this study was to develop a methodology for designing T-junction liquid-vapor separators for household refrigerators. The influence of the following independent parameters on the separator performance was studied: (i) refrigerant mass flow rate, (ii) inlet vapor quality, (iii) phase-separation temperature, (iv) critical droplet diameter and (v) compressor duty cycle. For modeling purposes, the T-junction was divided into three sub-models, namely: inlet, vapor and liquid branches. Additionally, a testing facility was designed and constructed to visualize the refrigerant flow through acrylic T-junctions mounted in a novel two-stage cycle architecture. A T-junction with an inlet branch diameter of 7?mm, a vertical branch diameter of 28?mm and total length of 58?mm was tested with compressor speeds ranging from 2000 to 3500?rpm and duty cycle from 10 to 45%. Photographs of the flow pattern through the separator were taken and used to explain the measured results.

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Pages: 354-361

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Details

  • Original title: A design approach for liquid separators applied to household refrigerators.
  • Record ID : 30025407
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 98
  • Publication date: 2019/02
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2018.11.030

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