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Design, manufacturing and testing of a Beta Stirling machine for refrigeration applications.

Author(s) : DJETEL-GOTHE S., BEGOT S., LANZETTA F., GAVIGNET E.

Type of article: IJR article

Summary

As the concern for CO2 emissions and global warming raises, the Stirling machine appears as a candidate alternative technology to vapor compression cycles that use refrigerant fluids. In this paper, we present the design, manufacturing and testing of a Beta Stirling machine for refrigeration applications. The first part of the paper presents the principle of the Stirling cycle, the mechanical configuration of the designed machine, and the key design parameters. The second part describes the experimental test bench and instrumentation of the Stirling machine. The last part of the paper presents experimental results. The prototype typical performance is a 450 W heat lift at 4°C and a COP of 0.9 when Nitrogen is used as the working gas. Cold end temperature variation as a function of heat lifts and charge pressure are presented. Coefficient of Performance is also discussed. Mechanical power, instantaneous torque and velocities curves are reported.

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Pages: 96-106

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Details

  • Original title: Design, manufacturing and testing of a Beta Stirling machine for refrigeration applications.
  • Record ID : 30027477
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 115
  • Publication date: 2020/07
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2020.03.005

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