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Operational optimisation of a novel dual-piston linear compressor: Simulation and experiment.

Author(s) : WEI Y., ZUO Z., JIA B., LIANG K., FENG H.

Type of article: IJR article

Summary

A novel dual-piston linear compressor consisting of two piston-cylinder assemblies and a linear electric motor was constructed. To explore the performance of the dual-piston linear compressor, a numerical model that contains a thermodynamic sub-model, dynamic sub-model, three-phase linear motor sub-module, and control system sub-model was built. Several piston trajectories and different operating conditions were assessed to investigate the performance of the dual piston linear compressor. Results from both the simulation and experiments indicate that the system with the triangle curve trajectory exhibits the best performance. The output characteristics (mass flow rate, motor efficiency, mechanical efficiency, and overall efficiency) depend heavily on the operating frequency and the stroke of the piston. For the dual-piston linear compressor system that was designed, the overall efficiency can reach up to 57.59% when the system works at a frequency of 12 Hz and a stroke of 26 mm.

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Pages: 82-91

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Details

  • Original title: Operational optimisation of a novel dual-piston linear compressor: Simulation and experiment.
  • Record ID : 30029215
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 132
  • Publication date: 2021/12
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2021.08.025
  • Document available for consultation in the library of the IIR headquarters only.

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