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CERN Document Server 2,037 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 0.15 sekúnd. 
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Automatic LHC accelerator warm-up and cool-down experience during the Long Shutdown 2 / Bradu, B (CERN) ; Brodzinski, K (CERN) ; Ferlin, G (CERN) ; Pezzetti, M (CERN) ; Tovar, A (CERN)
During the so-called Long Shutdown 2 (LS2), the Large Hadron Collider (LHC) has been entirely warmed-up in 2019 and cooled-down in 2020/2021 after an important maintenance period. For the first time, these complex and delicate operations have been performed in an automatic way, using a new control logic implemented in the Process Logic Controllers (PLC). [...]
2022 - 7 p. - Published in : IOP Conf. Ser. Mater. Sci. Eng. 1240 (2022) 012119 Fulltext: PDF;
In : Cryogenic Engineering Conference and International Cryogenic Materials Conference, Online, 19 - 23 Jul 2021, pp.012119
Úplný záznam - Podobné záznamy
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Consequences of warm-up of a sector above 80K / Strubin, P (CERN)
There may be circumstances when a sector has to be partially or totally warmed-up to temperatures above 80 K, that is when thermal dilatation starts to play a role. Some equipment have been identify as presenting a risk, like the non-conform "plug-in" modules in the arcs. [...]
2009 Published version from CERN: PDF;
In : Chamonix 2009 Workshop on LHC Performance, Chamonix, France, 2 - 6 Feb 2009, pp.141-144
Úplný záznam - Podobné záznamy
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 Proposal for the Award of a Contract for the Supply of Two Cool-Down and Warm-Up Units for the LHC Superconducting Magnet Prototypes
Proposition de passation d'un contrat pour la fourniture de deux unités de refroidissement et de réchauffement pour les prototypes d'aimants supraconducteurs du LHC
CERN/FC/3537
241st Meeting of Finance Committee ; 1992
English: DOC PDF
French: PDF
Úplný záznam - Podobné záznamy
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Mechanical Analysis of the FRESCA2 Dipole During Preload, Cool-Down, and Powering / Rochepault, Etienne (CERN ; IRFU, Saclay) ; Bourcey, Nicolas (CERN) ; Ferracin, Paolo (CERN) ; Guinchard, Michael (CERN) ; Grosclaude, Philippe (CERN) ; Manil, Pierre (IRFU, Saclay) ; Perez, Juan Carlos (CERN) ; Rifflet, Jean-Michel (IRFU, Saclay) ; de Rijk, Gijs (CERN) ; Rondeaux, Francoise (IRFU, Saclay) et al.
The FRESCA2 dipole magnet is being developed within a collaboration between CEA Saclay and CERN. The main goal of the magnet is to provide a 13 T nominal bore field into a clear aperture of 100 mm diameter, for the second generation cable test facility FRESCA2 at CERN. [...]
2018 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4002905
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4002905
Úplný záznam - Podobné záznamy
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CryoModel: a cryostat thermal performance simulation tool / Pérez Caparrós, D (CERN)
In the design process of cryostats for accelerators equipment (magnets or RF cavities), it is of interest to estimate downtime for intervention. [...]
CERN-ATS-Note-2011-087 TECH. - 2011. - 24 p.
Full text
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BEBC first cool-down
Published in: CERN Courier Volume 12, Number 7-8, July-August 1972
Geneva : CERN, 1972
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Training of the Main Dipoles Magnets in the Large Hadron Collider Toward 7 TeV Operation / Todesco, E (CERN) ; Willering, G (CERN) ; Auchmann, B (CERN) ; Bajko, M (CERN) ; Bottura, L (CERN) ; Bruning, O (CERN) ; De Rijk, G (CERN) ; Fessia, P (CERN) ; Hagen, P (CERN) ; Mapelli, D (Milan Bicocca U.) et al.
During 2016, one-quarter of the LHC main dipoles have has been powered above the 7.7 T operational field, to reach a field of 8.1 T. These tests were done to confirm the extrapolation of the training behavior based on a Gaussian tail of the quench distribution. [...]
2018 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4006905
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4006905
Úplný záznam - Podobné záznamy
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Mitigation strategies for sensor fracturing in the ITk strip detector / Tishelman-Charny, Abraham (Brookhaven National Laboratory (US)) /ATLAS Collaboration
During Long Shutdown 3 of the LHC, the ATLAS detector will undergo substantial upgrades to prepare for data taking at the future HL-LHC. This includes a replacement of its inner detector with a fully silicon tracker called the ITk, composed of pixel and strip sub-detectors. [...]
ATL-ITK-SLIDE-2024-228.- Geneva : CERN, 2024 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
Úplný záznam - Podobné záznamy
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Mitigation strategies for sensor fracturing in the ATLAS ITk strips detector / Tishelman-Charny, Abe (Brookhaven National Laboratory (US))
During Long Shutdown 3 of the LHC, the ATLAS detector will undergo substantial upgrades to prepare for data taking at the future HL-LHC. [...]
ATL-ITK-PROC-2024-043. - 2024 - 6.
Original Communication (restricted to ATLAS) - Full text
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Commissioning the Cryogenic System of the First LHC Sector / Millet, F ; Claudet, S ; Ferlin, G ; Perin, A ; Rabehl, R ; Riddone, G ; Ronayette, L ; Serio, L ; Soubiran, M ; Tavian, L
The LHC machine, composed of eight sectors with superconducting magnets and accelerating cavities requires a complex cryogenic system providing high cooling capacities (18 kW equivalent at 4.5 K and 2.4  W at 1.8 K per sector produced in large cold boxes and distributed via 3.3-km cryogenic transfer lines). After individual reception tests of the cryogenic subsystems (cryogen storages, refrigerators, cryogenic transfer lines and distribution boxes) performed since 2000, the commissioning of the cryogenic system of the first LHC sector has been under way since November 2006. [...]
LHC-PROJECT-Report-1079; CERN-LHC-PROJECT-Report-1079.- 2008 - 9 p. - Published in : AIP Conf. Proc. 985 (2008) 1403-1410 Access to fulltext document: PDF;
In : Conference on Cryogenic Engineering and Cryogenic Materials, Chattanooga, TN, USA, 16 - 20 Jul 2007
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