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CERN Document Server 11 Datensätze gefunden  1 - 10nächste  gehen zum Datensatz: Die Suche hat 0.59 Sekunden gedauert. 
1.
Risk analysis update of the LHC cryogenic system following the 19th September 2008 incident / Chorowski, M (Wroclaw Tech. U.) ; Fydrych, J (Wroclaw Tech. U.) ; Modlinski, Z (Wroclaw Tech. U.) ; Polinski, J (Wroclaw Tech. U.) ; Tavian, L (CERN) ; Wach, J (Wroclaw Tech. U.)
On 19th September 2008, during powering tests of the main dipole circuit of the Large Hadron Collider, an electrical fault occurred producing an electrical arc and resulting in mechanical and electrical damage, release of helium from the magnet cold mass to the insulation vacuum enclosure and consequently to the tunnel, via the spring-loaded relief discs on the vacuum enclosure. [...]
CERN-ATS-2011-019. - 2011. - 9 p.
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2.
23rd International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2010 - ICEC 23 ICMC 2010   19 - 23 Jul 2010  - Wroclaw, Poland  / Chorowski, Maciej (ed.); Fydrych, Jaroslaw (ed.); Piotrowska-Hajnus, Agnieszka (ed.); Strzelecka, Katarzyna (ed.)
Wroclaw : Wroclaw University of Technology, 2011 - 1262 p.
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3.
Upgrade on risk analysis following the 080919 incident in the LHC sector 3-4 / Chorowski, M (Wroclaw University) ; Fydrych, J (Wroclaw University) ; Modlinski, Z (Wroclaw University) ; Polinski, J (Wroclaw University) ; Tavian, L (CERN) ; Wach, J (Wroclaw University)
On 19th September 2008, during powering tests of the main dipole circuit in sector 3-4 of the LHC, an electrical fault occurred producing an electrical arc and resulting in mechanical and electrical damage, release of about 6 tons of helium from the magnet cold mass to the insulation vacuum enclosure and consequently to the tunnel, via the spring-loaded relief discs on the vacuum enclosure. [...]
CERN-ATS-Note-2010-033 TECH. - 2010. - 21 p.
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4.
Design, Production and First Commissioning Results of the Electrical Feedboxes of the LHC / Perin, A ; Atieh, S ; Benda, V ; Bertarelli, A ; Bouillot, A ; Brodzinski, K ; Folch, R ; Fydrych, J ; Genet, M ; Koczorowski, S et al.
A total of 44 CERN designed cryogenic electrical feedboxes are needed to power the LHC superconducting magnets. The feedboxes include more than 1000 superconducting circuits fed by high temperature superconductor and conventional current leads ranging from 120 A to 13 kA. [...]
LHC-PROJECT-Report-1071; CERN-LHC-PROJECT-Report-1071.- 2008 - 9 p. - Published in : AIP Conf. Proc. 985 (2008) 747-754 Access to fulltext document: PDF;
In : Conference on Cryogenic Engineering and Cryogenic Materials, Chattanooga, TN, USA, 16 - 20 Jul 2007
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5.
Reception Tests of the Cryogenic Distribution line for the Large Hadron Collider / Brodzinski, K ; Chorowski, M ; Ciechanowski, M ; Fluder, C ; Fydrych, J ; Gomes, P ; Millet, F ; Piotrowska, A ; Riddone, G ; Sanmartí, M et al.
The paper describes the thermo-mechanical validation of the first sector of cryogenic distribution line (QRL) [1] [...]
LHC-PROJECT-Report-988 ; CERN-LHC-PROJECT-Report-988. - 2007. - 5 p.
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6.
Overview and status of the Next European Dipole (NED) joint research activity / Devred, Arnaud ; Baudouy, B ; Baynham, D Elwyn ; Boutboul, T ; Canfer, S ; Chorowski, M ; Fabbricatore, P ; Farinon, S ; Félice, H ; Fessia, P et al.
The Next European Dipole (NED) Joint Research Activity was launched on 1st January 2004 to promote the development of high performance Nb$_{3}$Sn conductors in collaboration with European industry (aiming at a non-copper critical current density of 1500 A/mm2 at 4.2 K and 15 T) and to assess the suitability of Nb$_{3}$Sn technology to the next generation of accelerator magnets (aiming at an aperture of 88 mm and a conductor peak field of ~ 15 T). It is part of the Coordinated Accelerator Research in Europe (CARE) project, involves eight collaborators and is half-funded by the European Union. [...]
CERN-AT-2006-001-MAS; CARE-PUB-05-007; CARE-PUB-2005-007.- Geneva : CERN, 2006 - 27 p. - Published in : Supercond. Sci. Technol. 19 (2006) S67-S83 Access to fulltext document: PDF;
In : 7th European Conference on Applied Superconductivity, Vienna, Austria, 11 - 15 Sep 2005, pp.S67-S83
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7.
Experimental Validation of the LHC Helium Relief System Flow Modeling / Fydrych, J ; Chorowski, M ; Riddone, G
In case of simultaneous resistive transitions in a whole sector of magnets in the Large Hadron Collider, the helium would be vented from the cold masses to a dedicated recovery system. During the discharge the cold helium will eventually enter a pipe at room temperature. [...]
LHC-Project-Report-859; CERN-LHC-Project-Report-859.- Geneva : CERN, 2006 - 9 p. - Published in : AIP Conf. Proc. 823 (2006) 745-752 Access to fulltext document: PDF; External link: Published version from AIP
In : Conference on Cryogenic Engineering and on International Cryogenic Materials, Keystone, CO, USA, 29 Aug - 2 Sep 2005, pp.745-752
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8.
Analysis of thermo-mechanical pipe-strength for the LHC helium relief system and corresponding helium flows following a resistive transition of the magnets. / Chorowski, M (Wroclaw University of Technology, Poland) ; Fydrych, J (Wroclaw University of Technology, Poland) ; Riddone, G (CERN)
The LHC cryogenic system will contain of about 100 tons of helium mostly located in underground elements of the machine. The amount of helium stored in the magnet cold masses located in one sector of the LHC machine will be of about 6400 kg. [...]
LHC-Project-Note-370; CERN-LHC-Project-Note-370.- 2005 - 25 p. Access to fulltext document: PDF;
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9.
Status of the Next European Dipole (NED) Activity of the Collaborated Accelerator Research in Europe (CARE) Project / Devred, Arnaud ; Baudouy, B ; Baynham, D Elwyn ; Boutboul, T ; Canfer, S ; Chorowski, M ; den Ouden, A ; Fabbricatore, P ; Farinon, S ; Fessia, P et al.
Plans for LHC upgrade and for the final focalization of linear colliders call for large aperture and/or high-performance dipole and quadrupole magnets that may be beyond the reach of conventional NbTi magnet technology. The Next European Dipole (NED) activity was launched on January 1st, 2004 to promote the development of high-performance, Nb$_{3}$Sn wires in collaboration with European industry (aiming at a non-copper critical current density of 1500 A/mm2 at 4.2 K and 15 T) and to assess the suitability of Nb$_{3}$Sn technology to the next generation of accelerator magnets (aiming at an aperture of 88 mm and a conductor peak field of 15 T). [...]
CERN-AT-2005-002-MAS; CARE-Conf-04-020-NED; CARE-Conf-2004-020-NED.- Geneva : CERN, 2005 - 7 p. - Published in : IEEE Trans. Appl. Supercond. 15 (2005) 1106-12 Fulltext: PDF; IEEE Published version, local copy: PDF;
In : Applied Superconductivity Conference: Harnessing the Magic, Jacksonville, FL, USA, 3 - 8 Oct 2004 - CERN library copies
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10.
Flow and Thermo-mechanical Analysis of the LHC Sector Helium Relief System / Chorowski, M ; Fydrych, J ; Riddone, G
A simultaneous resistive transition of a LHC magnet sector, which may occasionally occur, will cause rapid helium outflow from magnet cryostats to a special relief system composed of long pipes, buffer volumes and accessories. The paper presents some safety and operational aspects of this system. [...]
LHC-Project-Report-790; CERN-LHC-Project-Report-790.- Geneva : CERN, 2005 - 5 p. Access to fulltext document: PDF;
In : 20th International Cryogenic Engineering Conference and Exhibition, Beijing, China, 11 - 14 May 2004, pp.1011-1014 - Please contact the library if you need to access this document.
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