Cryocoolers 11 pp 229-233 | Cite as

Developments on Single and Double Stage GM Type Pulse Tube Cryorefrigerators

  • J. M. Poncet
  • A. Ravex
  • I. Charles


Pulse tube (PT) cryocoolers with no moving parts in their cold ends are potentially able to replace conventional Gifford MacMahon (GM) cryocoolers for most applications. Over the past several years, CEA/SBT has undertaken basic research and prototype development of GM driven PT cryocoolers. Systematic studies have been carried out to characterize flow distribution and d.c. flow effects. Based on a good comprehension of these phenomena, several prototypes have been built and optimized for various customised applications. Their performance is presented in this paper.


Stage Regenerator Pulse Tube Lead Shot Thermal Shield Double Stage 
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Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  • J. M. Poncet
    • 1
  • A. Ravex
    • 1
    • 2
  • I. Charles
    • 1
  1. 1.Service Basses TempératuresCEA-DRFMCGrenoble Cédex 9France
  2. 2.Air Liquide, DTASassenageFrance

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