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Réfrigérateur à tube à pulsation dans une configuration coaxiale complète.

Two-stage pulse tube refrigerator in an entire coaxial configuration.

Auteurs : KOETTIG T., MOLDENHAUER S., NAWRODT R., et al.

Type d'article : Article

Résumé

The authors introduce a new kind of two-stage pulse tube refrigerators. The chosen entire coaxial configuration combines the advantages of the coaxial design with the two-stage pulse tube concept. Lead coated screens build the inhomogeneous regenerator matrix of the second stage. Without any rare earth compounds the refrigerator reaches a no load temperature of 6.6 K at the second stage cold tip. The active type of phase shifting is generated by a rotary valve combined with two needle valves at the hot end of each pulse tube (compressor Leybold RW 6000, 6 kW input power). This paper focuses on the design parameters and first performance measurements. [Reprinted with permission from Elsevier. Copyright, 2006].

Détails

  • Titre original : Two-stage pulse tube refrigerator in an entire coaxial configuration.
  • Identifiant de la fiche : 2007-0460
  • Langues : Anglais
  • Source : Cryogenics - vol. 46 - n. 12
  • Date d'édition : 12/2006

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