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Performance comparison of Stirling-type single-stage pulse tube refrigerators of in-line and 'U' configurations.

Author(s) : TENDOLKAR M. V., NARAYANKHEDKAR K. G., ATREY M. D.

Summary

This work aims to study and compare the performance of an inline and a U-type configuration of a single-stage, Stirling-type PTR developed in our laboratory, keeping the same dimensions for the pulse tube and the regenerator in both. The inline configuration reached a minimum temperature of 48.2°K, while the PTR with the U-type configuration with the same pulse tube and regenerator dimensions reached about 70°K. The U-type configuration has been further studied to understand its performance dependence on the connecting tube diameter and length. Additional investigations were carried out to study and compare the performance of these inline and U-type configurations for different operating parameters like charge pressure, frequency of operation, etc. and design parameters like length of inertance tube. The comparisons have been made with respect to cooldown time, minimum temperature reached, and cooling power.

Details

  • Original title: Performance comparison of Stirling-type single-stage pulse tube refrigerators of in-line and 'U' configurations.
  • Record ID : 2010-0685
  • Languages: English
  • Publication date: 2009
  • Source: Source: Proc. 15th int. Cryocooler Conf., Boulder, CO/Cryocoolers 15
    7 p.; fig.; photogr.; tabl.; 9 ref.

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