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Components and systems for HTS applications.

Number: pap. n. 051

Author(s) : KADE A., KAISER G., KLUPSCH M., et al.

Summary

Individual cryostats have been developed for sensor (SQUID) and HTS-bulk material cooling, in particular for current-transformer cooling or inductive superconducting fault-current limiters (iSFCL). Apart from mechanical requirements, e.g. with respect to the pressure equipment directive, and vacuum lifetime, our developments are based on computational fluid dynamics (CFD) simulations. Furthermore, special components, e.g. for fluid handling, are presented. An innovative piston pump for cryogenic media, with a double-acting electro-dynamic linear motor of moving-magnet type, was manufactured to work from ambient temperature down to 4 K with a scalable volume flow in a pressure range up to 15 bar. Successful test results confirm the advantageous performance. Additionally, our current developments are supported by CFD simulations of complete cooling systems and by measurements of thermodynamic properties such as thermal conductivity and thermal expansion.

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Pages: 79-84

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Details

  • Original title: Components and systems for HTS applications.
  • Record ID : 30005421
  • Languages: English
  • Source: Cryogenics 2012. Proceedings of the 12th IIR International Conference: Dresden, Germany, September 11-14, 2012.
  • Publication date: 2012/09/11

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