Experimental Results of a Single Stage Linear Orifice Pulse Tube Refrigerator

  • M. Ishimura
  • Erik Bodegom
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 43)


A single stage linear Orifice Pulse Tube Refrigerator (OPTR) was designed, and tested. Gas pressure, gas/wall temperature, heat load, phase shift, and frequency were measured and a simple discrete model of the pulse tube was developed to describe the cooling power. Our model treats the gas in the tube as a set of elements. The summation over these small gas elements permits the calculation of the cooling power. Based on the experimental data, the cooling power was evaluated. An analysis of the differences between our experimental and theoretical results yields a better understanding of the features of the OPTR system.


Heat Transfer Heat Exchanger Wall Temperature Pulse Tube Total Enthalpy 
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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • M. Ishimura
    • 1
  • Erik Bodegom
    • 1
  1. 1.Department of Physics and Environmental Sciences and Resources ProgramPortland State UniversityPortlandUSA

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