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FCC-hh Conceptual Designs and Windability of the Main Quadrupoles
/ Genot, Clement (CERN) ; Lorin, Clement (CERN) ; Minier, Gilles (CERN) ; Pepinter, Edouard (CERN) ; Rabti, Yosri (CERN) ; Rochepault, Etienne (CERN) ; Salmi, Tiina (Tampere U. of Tech.) ; Schoerling, Daniel (CERN) ; Tommasini, Davide (Geneva U.)
In the framework of a design study for a post-LHC 100 TeV circular hadron collider, namely FCC-hh, high-gradient Nb$_3$Sn lattice quadrupoles were investigated, following closely the specifications from the optic layout of that machine. After several iterations, a baseline design of the main quadrupole was selected and, then, included in the FCC-hh Conceptual Design Report. [...]
2020 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 31 (2020) 4000107
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Critical Current Measurements Under Transverse Pressure of a Nb3Sn Rutherford Cable Based on 1 mm RRP Wires
/ Duvauchelle, Jean-Eudes (CERN) ; Bordini, Bernardo (CERN) ; Fleiter, Jérôme (CERN) ; Ballarino, Amalia (CERN)
In order to achieve higher magnetic fields and/or larger magnet apertures, next generation accelerator magnets will be based on high-$J_{c}$ Nb$_{3}$Sn Rutherford cables. For the HighLuminosity LHC project, CERN is manufacturing dipole and quadrupole magnets based on state-of-the-art high-$J_{c}$ Nb$_{3}$Sn superconductor. [...]
2018 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4802305
In : 13th European Conference on Applied Superconductivity, ICCG, Geneva, Switzerland, 17 - 21 Sep 2017, pp.4802305
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Preliminary Design of the NB$_3$Sn $cos$ $\theta$ Short Model for the FCC
/ Pampaloni, Alessandra (INFN, Genoa) ; Bellomo, Giovanni (Milan U. ; LASA, Segrate) ; Burioli, Sergio (INFN, Genoa ; U. Genoa) ; De Matteis, Ernesto (LASA, Segrate) ; Fabbricatore, Pasquale (INFN, Genoa) ; Farinon, Stefania (INFN, Genoa) ; Lackner, Friedrich (CERN) ; Levi, Filippo (INFN, Genoa ; U. Genoa) ; Mariotto, Samuele (Milan U. ; LASA, Segrate) ; Musenich, Riccardo (INFN, Genoa) et al.
The next generation particle accelerators will need to increase by an order of magnitude the center-of-mass energy: a viable solution is a 100 TeV circular collider, temporarily called Future Circular Collider (FCC). To achieve this goal, a new generation of double aperture superconducting magnets, capable of generating a high quality, stable 16 T magnetic field in a 50 mm bore is being developed. [...]
2021 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 31 (2021) 4900905
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F2D2: A block-coil short-model dipole toward FCC
/ Felice, Helene (IRFU, Saclay) ; Calvelli, Valerio (IRFU, Saclay) ; Durante, Maria (IRFU, Saclay) ; Mallon, Philip (IRFU, Saclay) ; Manil, Pierre (IRFU, Saclay) ; Millot, Jean-Francois (IRFU, Saclay) ; Minier, Gilles (IRFU, Saclay) ; Rochepault, Etienne (IRFU, Saclay) ; Bord, Alexandre (U. Lorraine) ; Perraud, Simon (IRFU, Saclay) et al.
In the framework of the Future Circular Collider (FCC) program, and in collaboration with CERN, CEA is developing a 1.5-m-long single aperture Nb$_3$Sn block dipole. The so-called FCC Flared-end Dipole Demonstrator (F2D2) will produce at least 15 T with 14% margin at 1.9 K and will be assembled in a shell-based support structure. [...]
2019 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4001807
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Mechanical analysis of the collaring process of the 11 T dipole magnet
/ Ferracin, Paolo (CERN) ; Bottura, Luca (CERN) ; Bourcey, Nicolas (CERN) ; Daly, Michael (CERN) ; Devred, Arnaud (CERN) ; Izquierdo Bermudez, Susana (CERN) ; Ferradas Troitino, Jose (CERN) ; Ferradas Troitino, Salvador (CERN) ; Grosclaude, Philippe (CERN) ; Guinchard, Michael (CERN) et al.
As part of the Large Hadron Collider (LHC) accelerator upgrades foreseen by the high luminosity-LHC project, the CERN 11 T program is aimed at replacing standard LHC Nb-Ti main dipole magnets, operating with a bore field of 8.3 T, with pairs of shorter Nb$_3$Sn dipole magnets with a bore field of 11 T and the same total integrated field, thus providing space for additional collimators in the dispersion suppressor region. At the time of the submission of this paper, six single-aperture and two double-aperture short models have been fabricated and tested. [...]
2019 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4002705
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3D Conceptual Design of F2D2, the FCC Block-Coil Short Model Dipole
/ Rochepault, Etienne (U. Paris-Saclay) ; Calvelli, Valerio (U. Paris-Saclay) ; Durante, Maria (U. Paris-Saclay) ; Felice, Helene (U. Paris-Saclay) ; Mallon, Philip (U. Paris-Saclay) ; Manil, Pierre (U. Paris-Saclay) ; Millot, Jean-Francois (U. Paris-Saclay) ; Minier, Gilles (U. Paris-Saclay) ; Izquierdo Bermudez, Susana (CERN)
F2D2, the FCC Flared-ends Dipole Demonstrator, is a 15 T single-aperture short model being developed within a collaboration between CEA Paris-Saclay and CERN. The design phase is ongoing at CEA; the magnet will be fabricated at CEA and then tested at CERN. [...]
2020 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4001005
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Length Changes of Unconfined Nb$_3$Sn Rutherford Cables During Reaction Heat Treatment
/ Michels, Matthias (CERN) ; Lackner, Friedrich (CERN) ; Scheuerlein, Christian (CERN) ; Carlon Zurita, Alejandro (CERN) ; Ferradas Troitino, Salvador (CERN) ; Bourcey, Nicolas (CERN) ; Savary, Frederic (CERN) ; Tommasini, Davide (CERN)
In order to predict volume changes of Nb3Sn coils during reaction heat treatment (RHT), coefficients of thermal expansion (CTE) of the involved materials need to be known. While the CTEs of bulk materials are widely available, there is a lack of knowledge about the dimensional changes of the Nb3Sn Rutherford cables. [...]
2019 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 6000605
In : Applied Superconductivity Conference 2018, Seattle, United States Of America, 28 Oct - 2 Nov 2018, pp.6000605
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Windability Tests of Nb$_3$Sn Rutherford Cables for HL-LHC and FCC
/ Pulikowski, D (CERN ; West Pomeranian U. of Tech., Szczecin) ; Lackner, F (CERN) ; Scheuerlein, C (CERN) ; Savary, F (CERN) ; Tommasini, D (CERN) ; Pajor, M (West Pomeranian U. of Tech., Szczecin)
In the framework of the development of high field magnets made of Nb$_3$Sn superconductors for projects like the high luminosity upgrade of the large hadron collider (HL-LHC) and FCC studies, it is necessary to refine the understanding of the winding process and its impact of the overall mechanical integrity of the conductor. The mechanical behavior during winding of the unreacted Rutherford-type Nb$_3$Sn cables has been studied experimentally. [...]
2018 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4003905
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4003905
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