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CERN Accelerating science

CERN Document Server Encontrados 19 registros  1 - 10siguiente  ir al registro: La búsqueda tardó 2.06 segundos. 
1.
Transient heat transfer in superfluid helium cooled Nb$_3$Sn superconducting coil samples / Xavier, Mário D Grosso (CERN) ; Schundelmeier, Jens (CERN) ; Winkler, Tiemo (CERN) ; Koettig, Torsten (CERN) ; van Weelderen, Rob (CERN) ; Bremer, Johan (CERN)
An experimental setup is operational at the Central Cryogenics Laboratory of the European Organization for Nuclear Research to measure the cooling mechanisms of superfluid $^4$He (He II) from prepared Rutherford-type superconducting cable stacks to a stagnant He II bath. For novel magnets designed for the so-called high-luminosity large hadron collider upgrade, a segment of a fully impregnated Nb$_3$Sn 11T dipole magnet was measured. [...]
2019 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 29 (2019) 9500105
2.
Modeling of beam loss induced quenches in the LHC main dipole magnets / Breschi, Marco (U. Bologna (main)) ; Felcini, Enrico (CERN) ; Breccia, Francesca (U. Bologna (main)) ; Granieri, P P (CERN) ; Bergonzoni, Eleonora (U. Bologna (main)) ; Bevilacqua, Alessandro (U. Bologna (main)) ; Galassi, Pietro (U. Bologna (main)) ; Winkler, Tiemo (Twente U., Enschede) ; Bottura, Luca (CERN)
The full energy exploitation of the Large Hadron Collider (LHC), a planned increase of the beam energy beyond the present 6.5 TeV, will result in more demanding working conditions for the superconducting dipoles and quadrupoles operating in the machine. It is hence crucial to analyze, understand, and predict the quench levels of these magnets for the required values of current and generated magnetic fields. [...]
2019 - 7 p. - Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4004407
3.
Helium II heat transfer in LHC magnets : Polyimide cable insulation / Winkler, Tiemo
Today’s large particle accelerators like the LHC at CERN are using superconducting materials as a construction material for magnets [...]
CERN-THESIS-2017-419. - 131 p.


10.3990/1.9789036543538
Full text
4.
Final report on the Controlled Cold Helium Spill Test in the LHC tunnel at CERN / Dufay-Chanat, L (CERN) ; Bremer, J (CERN) ; Casas-Cubillos, J (CERN) ; Chorowski, M (Wroclaw Tech. U.) ; Grabowski, M (Wroclaw Tech. U.) ; Jedrusyna, A (Wroclaw Tech. U.) ; Lindell, G (CERN) ; Nonis, M (CERN) ; Koettig, T (CERN) ; Vauthier, N (CERN) et al.
The 27 km circumference LHC underground tunnel is a space in which the helium cooled LHC magnets are installed. The vacuum enclosures of the superconducting magnets are protected by over-pressure safety relief devices that open whenever cold helium escapes either from the magnet cold enclosure or from the helium supply headers, into this vacuum enclosure. [...]
2015 - Published in : IOP Conf. Ser. Mater. Sci. Eng. 101 (2015) 012123 IOP Open Access article: PDF;
In : Advances in Cryogenic Engineering: Cryogenic Engineering Conference, Tucson, AZ, USA, 28 Jun - 2 Jul 2015, pp.012123
5.
Development of a Novel Method for the Exploration of the Thermal Response of Superfluid Helium Cooled Superconducting Cables to Pulse Heat Loads / Winkler, T (CERN ; Twente U., Enschede) ; Koettig, T (CERN) ; van Weelderen, R (CERN) ; Bremer, J (CERN) ; ter Brake, H J M (Twente U., Enschede)
Management of transient heat deposition in superconducting magnets and its extraction from the aforementioned is becoming increasingly important to bring high energy particle accelerator performance to higher beam energies and intensities. Precise knowledge of transient heat deposition phenomena in the magnet cables will permit to push the operation of these magnets as close as possible to their current sharing limit, without unduly provoking magnet quenches. [...]
2015 - 5 p. - Published in : Phys. Procedia 67 (2015) 602-606 Elsevier Open Access article: PDF;
In : 25th International Cryogenic Conference & International Cryogenic Materials Conference 2014, Twente U., Enschede, The Netherlands, 07 - 11 Jul 2014, pp.602-606
6.
Controlled Cold Helium Spill Test in the LHC Tunnel at CERN / Koettig, T (CERN) ; Casas-Cubillos, J (CERN) ; Chorowski, M (Wroclaw Tech. U.) ; Dufay-Chanat, L (CERN) ; Grabowski, M (Wroclaw Tech. U.) ; Jedrusyna, A (Wroclaw Tech. U.) ; Lindell, G (CERN) ; Nonis, M (CERN) ; Vauthier, N (CERN) ; van Weelderen, R (CERN) et al.
The helium cooled magnets of the LHC particle accelerator are installed in a confined space, formed by a 27 km circumference 3.8 m diameter underground tunnel. The vacuum enclosures of the superconducting LHC magnets are protected by a lift plate against excessive overpressure created by eventual leaks from the magnet helium bath, or from the helium supply headers. [...]
2015 - 9 p. - Published in : Phys. Procedia 67 (2015) 1074-1082 Elsevier Open Access article: PDF;
In : 25th International Cryogenic Conference & International Cryogenic Materials Conference 2014, Twente U., Enschede, The Netherlands, 07 - 11 Jul 2014, pp.1074-1082
7.
Recent Results on Equilibrium Temperatures and Cooling Forces with Electron Cooled Heavy Ion Beams in the ESR / Steck, Markus (GSI, Darmstadt) ; Beckert, Karl ; Bosch, F ; Eickhoff, H ; Franzke, B ; Klepper, O ; Moshammer, R ; Nolden, F ; Spädtke, P ; Winkler, T
1994 External link: Published version from JACoW
In : 4th European Particle Accelerator Conference, London, UK, 27 Jun - 1 Jul 1994, pp.1197
8.
Lowest Temperatures in Cooled Heavy Ion Beams at the ESR / Beckert, Karl ; Eickhoff, H ; Reich, H ; Schlitt, B ; Steck, Markus (GSI, Darmstadt) ; Winkler, T ; Franzke, B ; Nolden, F
1998 External links: Abstract from JACoW; Published version from JACoW
In : 6th European Particle Accelerator Conference, Stockholm, Sweden, 22 - 26 Jun 1998, pp.e-proc. 1064
9.
Performance Test at the SIS Electron Cooling Device / Groening, L ; Steck, Markus (GSI, Darmstadt) ; Winkler, T ; Kudelainen, V I ; Parkhomchuk, V V ; Sharapa, A I ; Shemyakin, A V ; Smirnov, B M
1998 External links: Abstract from JACoW; Published version from JACoW
In : 6th European Particle Accelerator Conference, Stockholm, Sweden, 22 - 26 Jun 1998, pp.e-proc. 1034
10.
Charge Exchange Extraction at the Experimental Storage Ring ESR at GSI / Beckert, Karl ; Eickhoff, H ; Reich, H ; Steck, Markus (GSI, Darmstadt) ; Winkler, T ; Franzke, B ; Nolden, F
1998 External links: Abstract from JACoW; Published version from JACoW
In : 6th European Particle Accelerator Conference, Stockholm, Sweden, 22 - 26 Jun 1998, pp.e-proc. 559

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