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A single-stage pulse tube cooler working at 11 K.

Author(s) : HE Y. L., QIU L. M., GAN Z. H., et al.

Summary

A single-stage pulse tube cooler (PTC) was developed at Zhejiang University. A lowest no-load refrigeration temperature of 11.1 K was achieved with an actual input power of 6.7 kW. The cooler obtained cooling capacities of 17.8 W at 20 K and 39.4 W at 30 K, which makes it competent to substitute the conventional G-M cooler for cooling superconducting magnets in the temperature region of 20 to 40 K. A long-term operation test with a heat load of 48.5 W was carried out and the repeatability of cooling performance was also checked. The results show that the PTC works stable and reliable.

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Pages: 2006-3/ICEC III-C3

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Details

  • Original title: A single-stage pulse tube cooler working at 11 K.
  • Record ID : 2008-1039
  • Languages: English
  • Source: Multiconference CryoPrague 2006 (9th Cryogenics 2006, ICEC 21, ICMC'06)
  • Publication date: 2006/07/17

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