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Improvement in Training Performance by Enhancing Coil Mechanical Support in the Beam Separation Dipole Model Magnet for the HL-LHC Upgrade
Nb-Ti based large-aperture beam separation dipoles (MBXFs) will be installed on both sides of two interaction points, ATLAS and CMS, for the high-luminosity LHC upgrade. The most important requirements for MBXF is a coil aperture of 150 mm and the field integral of 35 T·m. Nominal dipole field is 5....
| Autores principales: | , , , , , , , , , , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2020
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| Acceso en línea: | https://dx.doi.org/10.1109/TASC.2020.2972501 http://cds.cern.ch/record/2744537 |
| _version_ | 1780968701936271360 |
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| author | Sugano, Michinaka Suzuki, Kento Nakamoto, Tatsushi Higashi, Norio Iida, Masahisa Ikeda, Hiroshi Ikemoto, Yukiko Kawamata, Hiroshi Kimura, Nobuhiro Ogitsu, Toru Ohhata, Hirokatsu Okada, Naoki Okada, Ryutaro Sasaki, Ken-ichi Tanaka, Kenichi Takahashi, Naoto Musso, Andrea Todesco, Ezio |
| author_facet | Sugano, Michinaka Suzuki, Kento Nakamoto, Tatsushi Higashi, Norio Iida, Masahisa Ikeda, Hiroshi Ikemoto, Yukiko Kawamata, Hiroshi Kimura, Nobuhiro Ogitsu, Toru Ohhata, Hirokatsu Okada, Naoki Okada, Ryutaro Sasaki, Ken-ichi Tanaka, Kenichi Takahashi, Naoto Musso, Andrea Todesco, Ezio |
| author_sort | Sugano, Michinaka |
| collection | CERN |
| description | Nb-Ti based large-aperture beam separation dipoles (MBXFs) will be installed on both sides of two interaction points, ATLAS and CMS, for the high-luminosity LHC upgrade. The most important requirements for MBXF is a coil aperture of 150 mm and the field integral of 35 T·m. Nominal dipole field is 5.6 T at 12 kA and 1.9 K. KEK is in charge of developing MBXF within a framework of CERN-KEK collaboration. This study reports training performance of three 2-m long model magnets (MBXFS1-3) assembled under different mechanical support conditions. Azimuthal pre-stress both in the straight section and at coil end, and axial pre-load were controlled to counteract Lorentz force. In MBXFS2 and 3, wet-winding was also applied but solely to the coil end. Quench start locations for the model magnets are compared to validate the effectiveness of each support method. |
| id | oai-inspirehep.net-1825888 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2020 |
| record_format | invenio |
| spelling | oai-inspirehep.net-18258882022-08-17T12:59:35Zdoi:10.1109/TASC.2020.2972501http://cds.cern.ch/record/2744537engSugano, MichinakaSuzuki, KentoNakamoto, TatsushiHigashi, NorioIida, MasahisaIkeda, HiroshiIkemoto, YukikoKawamata, HiroshiKimura, NobuhiroOgitsu, ToruOhhata, HirokatsuOkada, NaokiOkada, RyutaroSasaki, Ken-ichiTanaka, KenichiTakahashi, NaotoMusso, AndreaTodesco, EzioImprovement in Training Performance by Enhancing Coil Mechanical Support in the Beam Separation Dipole Model Magnet for the HL-LHC UpgradeNb-Ti based large-aperture beam separation dipoles (MBXFs) will be installed on both sides of two interaction points, ATLAS and CMS, for the high-luminosity LHC upgrade. The most important requirements for MBXF is a coil aperture of 150 mm and the field integral of 35 T·m. Nominal dipole field is 5.6 T at 12 kA and 1.9 K. KEK is in charge of developing MBXF within a framework of CERN-KEK collaboration. This study reports training performance of three 2-m long model magnets (MBXFS1-3) assembled under different mechanical support conditions. Azimuthal pre-stress both in the straight section and at coil end, and axial pre-load were controlled to counteract Lorentz force. In MBXFS2 and 3, wet-winding was also applied but solely to the coil end. Quench start locations for the model magnets are compared to validate the effectiveness of each support method.oai:inspirehep.net:18258882020 |
| spellingShingle | Sugano, Michinaka Suzuki, Kento Nakamoto, Tatsushi Higashi, Norio Iida, Masahisa Ikeda, Hiroshi Ikemoto, Yukiko Kawamata, Hiroshi Kimura, Nobuhiro Ogitsu, Toru Ohhata, Hirokatsu Okada, Naoki Okada, Ryutaro Sasaki, Ken-ichi Tanaka, Kenichi Takahashi, Naoto Musso, Andrea Todesco, Ezio Improvement in Training Performance by Enhancing Coil Mechanical Support in the Beam Separation Dipole Model Magnet for the HL-LHC Upgrade |
| title | Improvement in Training Performance by Enhancing Coil Mechanical Support in the Beam Separation Dipole Model Magnet for the HL-LHC Upgrade |
| title_full | Improvement in Training Performance by Enhancing Coil Mechanical Support in the Beam Separation Dipole Model Magnet for the HL-LHC Upgrade |
| title_fullStr | Improvement in Training Performance by Enhancing Coil Mechanical Support in the Beam Separation Dipole Model Magnet for the HL-LHC Upgrade |
| title_full_unstemmed | Improvement in Training Performance by Enhancing Coil Mechanical Support in the Beam Separation Dipole Model Magnet for the HL-LHC Upgrade |
| title_short | Improvement in Training Performance by Enhancing Coil Mechanical Support in the Beam Separation Dipole Model Magnet for the HL-LHC Upgrade |
| title_sort | improvement in training performance by enhancing coil mechanical support in the beam separation dipole model magnet for the hl-lhc upgrade |
| url | https://dx.doi.org/10.1109/TASC.2020.2972501 http://cds.cern.ch/record/2744537 |
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