1.1-meter bore, 8-Tesla test facility

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The design and fabrication of a 1.1-m bore superconducting coil for an 8- T facility at Lawrence Livermore Laboratory are discussed. This facility will provide the backing field required for testing large multifilamentary Nb$sub 3$Sn coils as part of the superconductor development program at Livermore. The magnet measures 1.85 m o.d., is 1.5 m in length, and is solenoid wound in four separate modules. Total cold weight of the assembly is 18,000 Kg. A NbTi superconductor is used throughout with a gradation of current density within the magnet to provide complete cryostatic stability. The preliminary design of a large 3500-A ... continued below

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Pages: 6

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Nelson, R.; Cornish, D.; Zbasnik, J.; Sackett, S. & Taylor, C. November 19, 1975.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 17 times . More information about this article can be viewed below.

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Description

The design and fabrication of a 1.1-m bore superconducting coil for an 8- T facility at Lawrence Livermore Laboratory are discussed. This facility will provide the backing field required for testing large multifilamentary Nb$sub 3$Sn coils as part of the superconductor development program at Livermore. The magnet measures 1.85 m o.d., is 1.5 m in length, and is solenoid wound in four separate modules. Total cold weight of the assembly is 18,000 Kg. A NbTi superconductor is used throughout with a gradation of current density within the magnet to provide complete cryostatic stability. The preliminary design of a large 3500-A multifilamentary Nb$sub 3$Sn insert magnet is also included. Together, the backing coil and insert magnets are designed to produce a 12-T central field in a 0.4m bore. The ''equal area'' theory of cryostatic stability is applied in the design of both magnet systems and is discussed in detail. A large open-mouth cryostat is used and measures 2 m in diameter and 3.7 m in length. Details of Dewar design and the refrigeration requirements are included. (auth)

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Pages: 6

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  • IEEE 6. symposium on engineering problems of fusion research, San Diego, California, USA, 17 Nov 1975

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  • Report No.: UCRL--77227
  • Report No.: CONF-751125--28
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 4153179
  • Archival Resource Key: ark:/67531/metadc870470

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  • November 19, 1975

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  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 18, 2016, 1:03 p.m.

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Nelson, R.; Cornish, D.; Zbasnik, J.; Sackett, S. & Taylor, C. 1.1-meter bore, 8-Tesla test facility, article, November 19, 1975; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc870470/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.