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Design on a low-temperature superconducting magnet system with pulse tube refrigeration.

Author(s) : ZHANG X. B., GAN Z. H., CHEN Y. X., et al.

Summary

A self-made NbTi superconducting magnet system cooled by a self-made two-stage pulse tube refrigeration is designed and currently under construction at Zhejiang University. The superconducting magnet has a room-temperature aperture diameter of 20 mm and is cooled by immersion into a liquid helium dewar. The evaporated saturated helium gas is re-liquefied by natural convective heat exchange with the fins extruded from the top flange of the dewar, which is anchored to the second-stage cold end of the cooler through flexible copper strips. Liquid nitrogen is utilized to accelerate the cool-down process.

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Pages: 2006-3/ICEC III-C3

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Details

  • Original title: Design on a low-temperature superconducting magnet system with pulse tube refrigeration.
  • Record ID : 2008-1166
  • Languages: English
  • Source: Multiconference CryoPrague 2006 (9th Cryogenics 2006, ICEC 21, ICMC'06)
  • Publication date: 2006/07/17

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