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Piston offset inhibition method based on check valve backflow in a linear compressor.

Author(s) : CHEN Z., HU J., SUN Y., ZHANG L., CHEN Y., WANG X., XU J., LUO E.

Type of article: IJR article

Summary

The linear compressor is one of the core components in cryogenic and refrigeration systems for space applications. Piston offset is a common phenomenon in linear reciprocating compressors, which can significantly deviate from the compressor's nominal design condition, thereby deteriorating performance. However, the reported work related to the methods of inhibiting piston offset is still limited. The check valve allows a unidirectional backflow, thus reducing piston offset. In this paper, a numerical study was performed on a linear compressor system with a check valve to explore the influence of operation parameters and valve parameters. Experiments were conducted on a prototype to validate the inhibition effect and compare it with the center port and DC superposition. This work may contribute to our understanding of eliminating piston offset in linear compressors in the future.

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Pages: 219-227

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Details

  • Original title: Piston offset inhibition method based on check valve backflow in a linear compressor.
  • Record ID : 30031900
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 151
  • Publication date: 2023/07
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2023.03.011

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