Field generated within the SSC magnets due to persistant currents in the superconductor

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This report presents the results of a number of computer studies of the magnetic fields generated by persistent circulating currents in the superconductor of superconducting dipoles. These magnetic fields are referred to as residual fields throughout this report. Since the field generated by persistent currents have a hysteric behavior, they are analagous to the residual filed found in iron bound conventional solenoids. The residual field calculations presented in this report were done using the LBL SCMAG4 computer code. This code has not been well tested against measured data, but a comparison with measured CBA data given in this report suggests ... continued below

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Pages: 9

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Green, M.A. January 1, 1984.

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Description

This report presents the results of a number of computer studies of the magnetic fields generated by persistent circulating currents in the superconductor of superconducting dipoles. These magnetic fields are referred to as residual fields throughout this report. Since the field generated by persistent currents have a hysteric behavior, they are analagous to the residual filed found in iron bound conventional solenoids. The residual field calculations presented in this report were done using the LBL SCMAG4 computer code. This code has not been well tested against measured data, but a comparison with measured CBA data given in this report suggests that good agreement is possible. The residual fields generated by persistent superconducting currents are rich in higher multipoles. This is of concern to the accelerator designer for SSC. This report shows the effect of various superconductor parameters and coil parameters on the magnitude and structure of the residual fields. The effect of the magnet charging history on residual fields is aldo discussed. 14 references.

Physical Description

Pages: 9

Notes

NTIS, PC A02/MF A01; 1.

Source

  • Workshop on accelerator physics issues for a superconducting super collider, Ann Arbor, MI, USA, 12 Dec 1983

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  • Other: DE84006629
  • Report No.: LBL-17249
  • Report No.: CONF-831264-6
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 5274992
  • Archival Resource Key: ark:/67531/metadc1063792

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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, 1984

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 25, 2018, 5:34 p.m.

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Green, M.A. Field generated within the SSC magnets due to persistant currents in the superconductor, article, January 1, 1984; [Berkeley,] California. (digital.library.unt.edu/ark:/67531/metadc1063792/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.