Performance of three 4. 5 m dipoles for SSC reference design D

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Three 4.5 m long dipoles for Reference Design D of the proposed Superconducting Super Collider have been successfully tested. The magnets are cold-iron (and cold bore) 1-in-1 dipoles, wound with current density-graded high homogeneity NbTi cable in a two-layer cos theta coil of 40 mm inner diameter. The coil is prestressed by 15 mm wide stainless steel collars, and mounted in a circular, split iron yoke of 267 mm outer diameter, supported in a cylindrical yoke containment vessel. At 4.5 K the magnets reached a field of about 6.6T with little training, or the short sample limit of the conductor, ... continued below

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Pages: 5

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Dahl, P.; Cottingham, J.; Fernow, R.; Garber, M.; Ghosh, A.; Goodzeit, C. et al. January 1, 1985.

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Description

Three 4.5 m long dipoles for Reference Design D of the proposed Superconducting Super Collider have been successfully tested. The magnets are cold-iron (and cold bore) 1-in-1 dipoles, wound with current density-graded high homogeneity NbTi cable in a two-layer cos theta coil of 40 mm inner diameter. The coil is prestressed by 15 mm wide stainless steel collars, and mounted in a circular, split iron yoke of 267 mm outer diameter, supported in a cylindrical yoke containment vessel. At 4.5 K the magnets reached a field of about 6.6T with little training, or the short sample limit of the conductor, and in subcooled (2.6 to 2.4 K) liquid, 8T was achieved. The allowed harmonics were close to the predicted values, and the unallowed harmonics small. The sextupole trim coil operated at eight times the required current without training.

Physical Description

Pages: 5

Notes

NTIS, PC A02/MF A01; 1.

Source

  • 9. international conference on magnet technology, Zurich, Switzerland, 9 Sep 1985

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  • Other: DE86001736
  • Report No.: BNL-37011
  • Report No.: CONF-850920-5
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 5024936
  • Archival Resource Key: ark:/67531/metadc1060842

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1985

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  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 26, 2018, 3:14 p.m.

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Dahl, P.; Cottingham, J.; Fernow, R.; Garber, M.; Ghosh, A.; Goodzeit, C. et al. Performance of three 4. 5 m dipoles for SSC reference design D, article, January 1, 1985; United States. (digital.library.unt.edu/ark:/67531/metadc1060842/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.