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1.
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Assessment of the operation safety margin of the HL-LHC superconducting recombination Dipole D2 in case of helium filling failure
/ Rousset, B (IRIG, Grenoble) ; Bancel, F (IRIG, Grenoble) ; Besson, N (IRIG, Grenoble) ; Bon-Mardion, M (IRIG, Grenoble) ; Claudet, S (CERN) ; Goy, T (IRIG, Grenoble) ; Millet, F (IRIG, Grenoble) ; Nivelon, P (IRIG, Grenoble) ; Perin, A (CERN)
After the successful completion of the cryogenic performance tests of the He II heat exchanger prototype for the D2 recombination dipole of the future HL-LHC project at CERN, specific measurements were performed to determine the operation safety margin in case of abnormal operating conditions. This is particularly relevant in case of the failure of liquid helium supply in the He II cold source. [...]
2022 - 8 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 1240 (2022) 012121
Fulltext: PDF;
In : Cryogenic Engineering Conference and International Cryogenic Materials Conference, Online, 19 - 23 Jul 2021, pp.012121
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2.
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Cryogenic performances of a heat exchanger prototype suitable for the superconducting HL-LHC recombination dipole D2
/ Rousset, B (IRIG, Grenoble) ; Bancel, F (IRIG, Grenoble) ; Besson, N (IRIG, Grenoble) ; Bon-Mardion, M (IRIG, Grenoble) ; Claudet, S (CERN) ; Goy, T (IRIG, Grenoble) ; Millet, F (IRIG, Grenoble) ; Nivelon, P (IRIG, Grenoble) ; Perin, A (CERN)
In the framework of the future High Luminosity upgrade of the Large Hadron Collider (HL-LHC) at CERN, most superconducting magnets in the Long Straight Sections will be replaced. Among them, the new D2 recombination dipole will be a He II conduction-cooled magnet with a larger aperture than the LHC dipoles. [...]
2022 - 7 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 1240 (2022) 012120
Fulltext: PDF;
In : Cryogenic Engineering Conference and International Cryogenic Materials Conference, Online, 19 - 23 Jul 2021, pp.012120
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3.
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Preliminary conceptual design of FCC-hh cryo-refrigerators: Air Liquide Study
/ Tavian, L (CERN) ; Millet, F (CEA-DTA-LETI, Grenoble) ; Roig, M (Air Liquide, Sassenage) ; Zick, G (Air Liquide, Sassenage) ; Bernhardt, JM (Air Liquide, Sassenage)
In the framework of a world-wide international collaboration, the FCC-hh, a 100 TeV hadron collider in a 100-km long tunnel, is proposed as a future circular collider beyond LHC at CERN offering the broadest discovery potential at the energy frontier. For such high performance hadron collider, the cryogenic system has to distribute very large cooling capacities all along the 100-km tunnel for the superconducting magnets continuously cooled at 1.9 K and for the beam screens operated between 40 and 60 K. [...]
IOP, 2020 - 7 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 755 (2020) 012085
In : Conference on Cryogenic Engineering and on International Cryogenic Materials, Hartford, Connecticut, 21 - 25 Jul 2019, pp.012085
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4.
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Preliminary Conceptual design of FCC-hh cryoplants: Linde evaluation
/ Millet, Francois (CEA INAC, Grenoble) ; Tavian, L (CERN) ; Cardella, U (Linde Kryotechnik, Pfungen) ; Amstutz, O (Linde Kryotechnik, Pfungen) ; Selva, P (Linde Kryotechnik, Pfungen) ; Kuendig, A (Unlisted, CH)
In the framework of an international collaboration, a 100 TeV hadron collider in a 100-km long tunnel is under study as a future circular collider beyond LHC at CERN. Its design is based on 16-T superconducting magnets cooled at 1.9 K by 10 cryoplants with a unit equivalent capacity of 100 kW at 4.5 K, up to 4 times larger than the present state-of-the-art. [...]
IOP, 2019 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 502 (2019) 012131
Fulltext: PDF;
In : 27th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2018, Oxford, United Kingdom, 3 - 7 Sep 2018, pp.012131
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5.
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Superfluid Helium cooling and compact Heat Exchanger for HL-LHC D2 Recombination Dipoles
/ Rousset, B (CEA INAC, Grenoble) ; Bancel, F (CEA INAC, Grenoble) ; Claudet, S (CERN) ; Millet, F (CEA INAC, Grenoble) ; Nivelon, P (CEA INAC, Grenoble) ; Perin, A (CERN) ; Weelderen, R Van (CERN)
New D2 recombination dipoles with a larger aperture than in the LHC dipoles are required for the future High Luminosity LHC at CERN. These 13.5 m-long D2 magnets are proposed to be conduction cooled in a static bath of pressurized He II. [...]
IOP, 2019 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 502 (2019) 012114
Fulltext: PDF;
In : 27th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2018, Oxford, United Kingdom, 3 - 7 Sep 2018, pp.012114
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6.
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7.
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Towards the conceptual design of the cryogenic system of the Future Circular Collider (FCC)
/ Chorowski, M (Wroclaw Tech. U.) ; Correia Rodrigues, H (CERN) ; Delikaris, D (CERN) ; Duda, P (Wroclaw Tech. U.) ; Haberstroh, C (Dresden, Tech. U.) ; Holdener, F (Shirokuma GmbH, Wetzikon) ; Klöppel, S (Dresden, Tech. U.) ; Kotnig, C (CERN) ; Millet, F (CEA INAC, Grenoble) ; Polinski, J (Wroclaw Tech. U.) et al.
Following the update of the European strategy in particle physics, CERN has undertaken an international study of possible future circular colliders beyond the LHC. The study considers several options for very high-energy hadron-hadron, electron-positron and hadron-electron colliders. [...]
2017 - 8 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 278 (2017) 012097
Fulltext: PDF;
In : 2017 Cryogenic Engineering Conference and International Cryogenic Materials Conference, Madison, WI, USA, 9 - 13 Jul 2017, pp.012097
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8.
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9.
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Commissioning of the Cryogenics of the LHC Long Straight Sections
/ Perin, A. (CERN) ; Casas-Cubillos, J. (CERN) ; Claudet, S. (CERN) ; Darve, C. (Fermilab) ; Ferlin, G. (CERN) ; Millet, F. (CERN) ; Parente, C. (CERN) ; Rabehl, R. (Fermilab) ; Soubiran, M. (CERN) ; van Weelderen, R. (CERN) et al.
The LHC is made of eight circular arcs interspaced with eight Long Straight Sections (LSS). Most powering interfaces to the LHC are located in these sections where the particle beams are focused and shaped for collision, cleaning and acceleration. [...]
arXiv:1207.7093; FERMILAB-CONF-09-772-AD; FERMILAB-CONF-09-772-AD.-
Geneva : CERN, 2010-04-23 - 8 p.
- Published in : AIP Conf. Proc. 1218 (2010) 1309-1316
Fulltext: arXiv:1207.7093 - PDF; fermilab-conf-09-772 - PDF; CERN-ATS-2010-021 - PDF; External link: Fermilab Library Server (fulltext available)
In : Cryogenic Engineering Conference and International Cryogenic Materials Conference, Tucson, AR, USA, 28 Jun - 2 Jul 2009, pp.1309-1316
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10.
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Validation and Performance of the LHC Cryogenic System through Commissioning of the First Sector
/ Serio, L ; Bouillot, A ; Casas-Cubillos, J ; Chakravarty, A ; Claudet, S ; Gicquel, F ; Gomes, P ; Kumar, M ; Kush, PK ; Millet, F et al.
The cryogenic system [1] for the Large Hadron Collider accelerator is presently in its final phase of commissioning at nominal operating conditions. The refrigeration capacity for the LHC is produced using eight large cryogenic plants and eight 1.8 K refrigeration units installed on five cryogenic islands. [...]
LHC-PROJECT-Report-1080; CERN-LHC-PROJECT-Report-1080.-
2008 - 9 p.
- Published in : AIP Conf. Proc. 985 (2008) 1411-1418
Access to fulltext document: PDF;
In : Conference on Cryogenic Engineering and Cryogenic Materials, Chattanooga, TN, USA, 16 - 20 Jul 2007
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