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Refrigerant liquid slugging in the suction system of reciprocating compressor.

Number: pap. 1137

Author(s) : RODRIGUES T. T.

Summary

Liquid slugging in reciprocating compressors is highly concerning due to the exceptionally harmful effects of liquid hammering. The high pressure generated by the liquid compression leads to high stresses on the structural components, resulting many times in compressor failure. The suction muffler is the mean path to the compression chamber for the slug flow, therefore its design influences the amount of liquid that reaches the compression chamber. This paper describes the numerical study of the two-phase liquid-gas flow in four typical simplified muffler designs employing VOF method, aiming to analyze the influence of the muffler design parameters on the liquid phase mass flow rate reaching the compression chamber. The main conclusions of the present work are the muffler design can influence significantly the flow towards the compression chamber and the numerical procedure can provide insightful information about the slug flow in the reciprocating compressors suction system.

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Pages: 10

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Details

  • Original title: Refrigerant liquid slugging in the suction system of reciprocating compressor.
  • Record ID : 30024221
  • Languages: English
  • Source: 2018 Purdue Conferences. 24th International Compressor Engineering Conference at Purdue.
  • Publication date: 2018/07/09

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