Cryostability measurements under steady state and transient conditions

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In order to achieve the designed performance of a superconducting magnet, one of the key points to be considered carefully is the stability of the magnet. For a large superconducting magnet with huge stored energy, one always demands that the magnet is thermally stabilized. Since nobody really knows the limit of the size of the disturbance in a large magnet, and since a large magnet is economically permitted to operate at a relatively low current density, the MHD magnet to be built for the Coal-Fired Flow Facility (CFFF) at the University of Tennessee Space Institute is designed to adhere to ... continued below

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Pages: 15

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Huang, Y; Wang, S T; Turner, L R & Lieberg, M January 1, 1979.

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Description

In order to achieve the designed performance of a superconducting magnet, one of the key points to be considered carefully is the stability of the magnet. For a large superconducting magnet with huge stored energy, one always demands that the magnet is thermally stabilized. Since nobody really knows the limit of the size of the disturbance in a large magnet, and since a large magnet is economically permitted to operate at a relatively low current density, the MHD magnet to be built for the Coal-Fired Flow Facility (CFFF) at the University of Tennessee Space Institute is designed to adhere to the absolute stability criterion. Although for the compactness reason, because of the air shipment, the US SCMS (U-25) superconducting dipole magnet was designed to have higher current density and can recover following a generation of a local normal zone. To test the stability characteristics of these two magnet systems, the US SCMS conductor and the CFFF Grade A conductor were used to construct various samples. Two of these samples were short sample type set ups. They were easy to make and could furnish quick and rather reliable information. But, to eliminate the end effect and to look deeply into the stability of the conductor, two test samples with fairly long conductors also were made. The experimental setup and test results are discussed. (TFD)

Physical Description

Pages: 15

Notes

Dep. NTIS, PC A02/MF A01.

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  • Cryogenic engineering conference, Madison, WI, USA, 21 Aug 1979

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  • Report No.: CONF-790815-24
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 6007409
  • Archival Resource Key: ark:/67531/metadc1102372

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1979

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

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  • April 17, 2018, 6:16 p.m.

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Huang, Y; Wang, S T; Turner, L R & Lieberg, M. Cryostability measurements under steady state and transient conditions, article, January 1, 1979; Illinois. (digital.library.unt.edu/ark:/67531/metadc1102372/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.