3D-Simulation Studies of SNS Ring Doublet Magnets

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The accumulator ring of the Spallation Neutron Source (SNS) at ORNL employs in its straight sections closely packed quadrupole doublemagnets with large aperture of R=15.1 cm an relatively short iron-to-iron distance of 51.4 cm. These quads have much extended fringe field, and magnetic interferences among them in the doublet assemblies is not avoidable. Though each magnet in the assemblies has been individually mapped to high accuracy of lower than 0.01 percent level, the experimental data including the magnetic interference effect will not be available. We have performed 3D computing simulations on a quadrupole doublet model in order to assess the ... continued below

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Wang, J.G.; N., Tsoupas & Venturini, M. May 5, 2005.

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The accumulator ring of the Spallation Neutron Source (SNS) at ORNL employs in its straight sections closely packed quadrupole doublemagnets with large aperture of R=15.1 cm an relatively short iron-to-iron distance of 51.4 cm. These quads have much extended fringe field, and magnetic interferences among them in the doublet assemblies is not avoidable. Though each magnet in the assemblies has been individually mapped to high accuracy of lower than 0.01 percent level, the experimental data including the magnetic interference effect will not be available. We have performed 3D computing simulations on a quadrupole doublet model in order to assess the degree of the interference and to obtain relevant data for the SNS commissioning and operation.

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  • Particle Accelerator Conference 2005, Knoxville,Tennessee, May 16-20, 2005

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  • Report No.: LBNL--57665
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 891021
  • Archival Resource Key: ark:/67531/metadc883061

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Office of Scientific & Technical Information Technical Reports

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  • May 5, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Sept. 29, 2016, 1:34 p.m.

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Wang, J.G.; N., Tsoupas & Venturini, M. 3D-Simulation Studies of SNS Ring Doublet Magnets, article, May 5, 2005; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc883061/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.