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Development and experimental verification of a theoretical model for pulse tube refrigerator.

Author(s) : LIANG J., RAVEX A., ROLLAND P.

Summary

A theoretical model for pulse tube refrigerator has been developed by analysing the internal processes. According to the different physical behaviours, the gas working in the pulse tube is divided into two parts. The outer annular part of gas with good thermal and viscous interactions with the tube wall, called the thermal viscous layer, works on the surface heat pumping effect. The central part of gas in which the influences of the wall are negligible works on the thermodynamic nonsymmetry effect. The combination of the above two effects gives the gross refrigeration power of pulse tube. The various loss terms are taken into account in order to get the net cooling power. An adiabatic calculation method has been developed for the pressure oscillator. Experimental measurements of the influences of a variety of important parameters on the performances have shown good agreements with the theoretical predictions.

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Pages: 374-381

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Details

  • Original title: Development and experimental verification of a theoretical model for pulse tube refrigerator.
  • Record ID : 1996-0903
  • Languages: English
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20
  • Document available for consultation in the library of the IIR headquarters only.

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