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General pulse tube theory.

Author(s) : KITTEL P., KASHANI A., LEE J. M., ROACH P. R.

Summary

The underlying phenomena are described starting with a very simplified model. The concept of enthalpy flow is expanded to include entropy and Gibbs free energy flows and to apply these for the first time to regenerative refrigerators. It is shown that, contrary to common usage, the concepts of work, flow and heat flow are not useful when applied to regenerative refrigerators. Rather, the Gibbs free energy flow fulfils the role usually assigned to work and heat flows. Recent advances in thermoacoustic and 2-D flow models are also reviewed.

Details

  • Original title: General pulse tube theory.
  • Record ID : 1997-2682
  • Languages: English
  • Source: 1995 Space Cryogenics Workshop.
  • Publication date: 1996/10

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