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CERN Document Server Sök i 2,051 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.34 sekunder. 
1.
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Quench Protection of Fusillo Subscale Curved CCT Magnet / Wozniak, M (CERN) ; Haziot, A (CERN) ; Mangiarotti, F J (CERN) ; Ravaioli, E (CERN) ; Ferriere, R (CERN) ; Guardia-Valenzuela, Jorge (CERN) ; Foussat, A P (CERN) ; Kirby, G (CERN) ; Verweij, A (CERN)
The Fusillo project at CERN aims to design and build a demonstrator magnet with multi-harmonic corrected fields in a 90° curved CCT magnet. In the first stage, a subscale magnet is built with 30° bending, about 1/30 of the demonstrator conductor length, and increased current to reach coil stresses equivalent to the demonstrator. [...]
2024 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4702805 Fulltext: PDF;
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2.
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Quench Co-Simulation of Canted Cos-Theta Magnets / Wozniak, Mariusz (CERN) ; Schnaubelt, Erik (CERN ; Darmstadt, Tech. U.) ; Dular, Julien (CERN) ; Ravaioli, Emmanuele (CERN) ; Verweij, Arjan (CERN)
Canted Cos-Theta (CCT) magnets can use conducting formers in which eddy currents are induced during current change. This is relevant during magnet ramping or discharging after a quench, particularly when using energy extraction. [...]
2024 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4900105
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3.
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Fast Quench Propagation Conductor for Protecting Canted Cos-Theta Magnets / Wozniak, Mariusz (CERN) ; Ravaioli, Emmanuele (CERN) ; Verweij, Arjan (CERN)
Canted Cos-Theta (CCT) magnet design offers remarkable advantages such as a low number of parts and the ability to intercept with the formers the Lorenz forces acting on the windings. However, by principle, it is very challenging to design a self-protected CCT magnet, even with relatively low stored energy and conductor current density. [...]
2023 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 33 (2023) 4701705
In : Applied Superconductivity Conference, Honolulu, Hawaii, United States, 23 - 28 Oct 2022
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4.
(52)
An Open-Source Finite Element Quench Simulation Tool for Superconducting Magnets / Vitrano, Andrea (CERN) ; Wozniak, Mariusz (CERN) ; Schnaubelt, Erik (CERN ; Darmstadt, Tech. Hochsch.) ; Mulder, Tim (CERN) ; Ravaioli, Emmanuele (CERN) ; Verweij, Arjan (CERN)
An open-source Finite Element Quench Simulator (FiQuS) is being developed as part of the STEAM framework following CERN's open science policy (CERN, 2022). The tool is based solely on open-source software and uses Python to generate geometries and meshes with Gmsh and compute solutions with GetDP. [...]
2023 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 33 (2023) 4702006 Fulltext: PDF;
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5.
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Curved-Canted-Cosine-Theta (CCCT) Dipole Prototype Development at CERN / Haziot, Ariel (CERN) ; Kirby, Glyn (CERN) ; Dallocchio, Alessandro (CERN) ; Devred, Arnaud (CERN) ; Foussat, Arnaud (CERN) ; Gentini, Luca (CERN) ; Mangiarotti, Franco J (CERN) ; Pentella, Mariano (CERN) ; Petrone, Carlo (CERN) ; Pincot, Francois-Olivier (CERN) et al.
Due to its flexibility in generating advanced field harmonic corrections and potential for low cost compared to traditional designs, the Canted Cosine Theta (CCT) configuration is particularly interesting for compact particle accelerators and gantries for medical applications. This article presents the design of a curved demonstrator named Fusillo, a Canted Cosine Theta Nb-Ti dipole magnet that is being developed at CERN, featuring a large aperture of 236 mm, a small bending radius of 1 m, a bending angle of 90$^{\circ }$, and multi-harmonic field correction, with a 3.61 T conductor peak field. [...]
2024 - 8 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4002608 Fulltext: PDF;
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6.
(44)
Simulated Versus Experimentally Observed Quench Behavior of the HL-LHC Twin Aperture Orbit Corrector Prototype / Mentink, Matthias (CERN) ; Duda, Michal (CERN) ; Mangiarotti, Franco (CERN) ; van Nugteren, Jeroen (CERN) ; Willering, Gerard (CERN) ; Kirby, Glyn (CERN)
This paper discusses the simulated and experimentally observed quench behavior of the first HL-LHC Twin Aperture Orbit Corrector Prototype, also known as the MCBRDp1 magnet. This superconducting magnet features two independently powered apertures. [...]
2020 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4701306
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7.
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Modeling Results of the Quench Behavior of a Nb-Ti Canted-Cosine-Theta Corrector Magnet for LHC / Bagni, T (Uppsala U.) ; Ahl, A (Scanditronix Instrument, Uppsala) ; Almström, M (Linnaeus U.) ; Canale, M (CERN) ; Dugic, I (Linnaeus U.) ; Emilsson, F (AMACC, Uppsala) ; Gentini, L (CERN) ; Haralanova, V (Linnaeus U.) ; Johansson, M (Unlisted, SE) ; Karlsson, G (Linnaeus U.) et al.
A newly designed superconducting magnet of the Canted-Cosine-Theta (CCT) type was developed as a result of a collaboration between Swedish universities (Uppsala and Linneaus) and Swedish industries. This magnet was designed to function as a replacement of the present LHC orbit corrector magnets, which are approaching their end of life due to the radiation load. [...]
2024 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4001105
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8.
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Quench Behavior of the HL-LHC Twin Aperture Orbit Correctors / Mentink, Matthias (CERN) ; van Nugteren, Jeroen (CERN) ; Mangiarotti, Franco (CERN) ; Duda, Michal (CERN ; Cracow, INP) ; Kirby, Glyn (CERN)
A study was performed to understand the quench behavior and ensure adequate quench protection of the canted cosine theta (CCT) twin aperture orbit corrector magnet, a superconducting magnet under development as part of the high-luminosity upgrade of the Large Hadron Collider (HL-LHC). The cosine theta geometry features canted superconducting coils, which together produce a magnetic dipole field. [...]
2018 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4004806
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4004806
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9.
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Quench Behavior of Prototype Nb-Ti HL-LHC Dipole Canted Cos-Theta Orbit Corrector Magnets / Wozniak, Mariusz (CERN) ; Ravaioli, Emmanuele (CERN) ; Mangiarotti, Franco (CERN) ; Mentink, Matthias (CERN) ; Kirby, Glyn (CERN) ; Verweij, Arjan (CERN) ; Xu, Qingjin (CAS, Beijing) ; Wu, Wei (CAS, Beijing)
The HL-LHC project is an upgrade of the LHC that requires double aperture dipole correctors. In 2015, CERN selected Canted Cos-Theta (CCT) magnet, and the development of the MCBRD magnets followed. [...]
2022 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 32 (2022) 1-5 Fulltext: PDF;
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Quench Protection Studies for the High Luminosity LHC Nb$_3$Sn Quadrupole Magnets / Ravaioli, Emmanuele (CERN) ; Ambrosio, Giorgio (Fermilab) ; Bajas, Hugues (CERN) ; Duda, Michal (PSI, Villigen ; CERN) ; Ferracin, Paolo (LBNL, Berkeley) ; Ferradas Troitino, Jose (CERN) ; Izquierdo Bermudez, Susana (CERN) ; Mangiarotti, Franco (CERN) ; Marinozzi, Vittorio (Fermilab) ; Mentink, Matthias (CERN) et al.
Achieving the targets of the High Luminosity LHC project requires the installation of new inner triplet magnet circuits for the final focusing of the particle beams on each side of the two main interaction points. Each of the four circuits will include six 150 mm aperture, 132.2 T/m gradient, Nb$_3$Sn quadrupole magnets to be installed in the LHC tunnel. [...]
FERMILAB-PUB-21-124-TD.- 2021 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 31 (2021) 4700405 Fulltext from Publisher: PDF;
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