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Theoretical analysis of a dynamically balanced Gifford-McMahon cryorefrigerator.

Author(s) : MINAS C.

Type of article: Article

Summary

The cryorefrigerator consists of two horizontally opposed first- and second-stage displacers, a first- and a second-stage thermal regenerator, and a rotary valve that cycles the compressor supply gas pressure. It is clearly shown that the device can achieve non-impacting displacer motion with sufficient cooling capacities of the two stages. This non-impacting operation creates a very low vibration device, which is valuable in applications where low vibration is required, such as magnetic resonance imaging systems. It was also shown that the cooling capacity of the device can be optimized over the operating frequency.

Details

  • Original title: Theoretical analysis of a dynamically balanced Gifford-McMahon cryorefrigerator.
  • Record ID : 1994-2689
  • Languages: English
  • Source: Cryogenics - vol. 34 - n. 4
  • Publication date: 1994/04

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