Impact of Sample Preparation Procedure on the Test Results of four US ITER TF Conductors (2009)
Stepanov, Boris, Bruzzone, Pierluigi, Wesche, Rainer, Martovetsky, Nicolai, Hatfield, Dan, Vostner, Alexander, ...
Wien, am ………………… Many thanks to: ACKNOWLEDGMENT (2008)
Q Ini, Pierre Bauer, Daniel Leroy, Technisch-naturwissenschaftliche Fakultät, ...
ausgeführt zum Zwecke der Erlangung des akademischen Grades eines
A Finite Element Model for Mechanical Analysis of LHC Main Dipole Magnet Coils (2007)
Pojer, Mirko, Devred, Arnaud, Scandale, Walter
After years of studies and observations, the mechanical stability of the LHC main dipole magnets still remains an open issue. The robustness of these magnets has already been asserted and their...
Magnetization Modeling of Twisted Superconducting Filaments (2007)
Satiramatekul, T, Bouillault, F, Devred, Arnaud, Leroy, Daniel
This paper presents a new Finite Element numerical method to analyze the coupling between twisted filaments in a superconducting multifilament composite wire. To avoid the large number of elements...
Farinon, S, Boutboul, Thierry, Devred, Arnaud, Fabbricatore, P, Leroy, Daniel, Oberli, Luc-Rene
The Next European Dipole (NED) activity is aimed at the development of a large-aperture, high-field superconducting magnet relying on high-performances Nb3Sn conductors. Part of the NED program is...
Minimum Quench Energy and Early Quench Development in NbTi Superconducting Strands (2007)
Breschi, M, Trevisani, L, Boselli, M, Bottura, Luca, Devred, Arnaud, Ribani, P L, ...
The stability of superconducting wires is a crucial task in the design of safe and reliable superconducting magnets. These magnets are prone to premature quenches due to local releases of energy. In...
Toral, F, Devred, Arnaud, Felice, H, Fessia, Paolo, Loveridge, P W, Regis, Federico, ...
The Next European Dipole (NED) activity is developing a high-performance Nb3Sn wire (aiming at a non-copper critical current density of 1500 A/mm2 at 4.2 K and 15 T), within the framework of the...
First Computation of Parasitic Fields in LHC Dipole Magnet Interconnects (2006)
Devred, Arnaud, Auchmann, Bernard, Boncompagni, Yann, Ferapontov, V, Koutchouk, Jean-Pierre, Russenschuck, Stephan, ...
The Large Hadron Collider (LHC), now under construction at CERN, will rely on about 1600 main superconducting dipole and quadrupole magnets and over 7400 superconducting corrector magnets distributed...
A Non-Linear Finite Element Model for the LHC Main Dipole Coil Cross-Section (2006)
Pojer, M, Devred, Arnaud, Scandale, Walter
The production of the dipole magnets for the Large Hadron Collider is at its final stage. Nevertheless, some mechanical instabilities are still observed for which no clear explanation has been found...
Introduction of Reference Design 2 for the NED 15 t Large Aperture Dipole (2006)
Schwerg, N, Devred, Arnaud, Völlinger, C
In this report, the results of the electromagnetic design study for the cos θ-layer-type dipole are presented. The final configuration is referred to as Reference Design 2 for NED. The studied...
Introduction of Reference Design 2 for the NED 15 t Large Aperture Dipole (2006)
Schwerg, N, Devred, Arnaud, Völlinger, C
In this report, the results of the electromagnetic design study for the cos θ-layer-type dipole are presented. The final configuration is referred to as Reference Design 2 for NED. The studied...
Overview and status of the Next European Dipole (NED) joint research activity (2006)
Devred, Arnaud, Baudouy, B, Baynham, D Elwyn, Boutboul, T, Canfer, S, Chorowski, M, ...
The Next European Dipole (NED) Joint Research Activity was launched on 1st January 2004 to promote the development of high performance Nb3Sn conductors in collaboration with European industry (aiming...
Overview and status of the Next European Dipole (NED) joint research activity (2006)
Devred, Arnaud, Baudouy, B, Baynham, D Elwyn, Boutboul, T, Canfer, S, Chorowski, M, ...
The Next European Dipole (NED) Joint Research Activity was launched on 1st January 2004 to promote the development of high performance Nb3Sn conductors in collaboration with European industry (aiming...
Electromagnetic Design Study for a Large Bore 15T Superconducting Dipole Magnet (2005)
Schwerg, N, Völlinger, C, Devred, Arnaud, Henke, H
In the framework of research and development (R&D) activities at CERN the Next European Dipole (NED) program is one which is to the development of a high-field dipole magnet using Nb_3Sn...
In this paper, we carry out an analytical computation of the vector potential produced in the whole space by a current line located near or within a ferromagnetic cylinder or tube. Whenever possible,...
The CARE accelerator R&D programme in Europe (2005)
Napoly, Olivier, Aleksan, Roy, Den Ouden, Andres, Devred, Arnaud, Garoby, Roland, Garvey, Terence, ...
CARE, an ambitious and coordinated programme of accelerator research and developments oriented towards high energy physics projects, has been launched in January 2004 by the main European...
Future Accelerator Magnet Needs (2005)
Devred, Arnaud, Gourlay, S A, Yamamoto, A
Superconducting magnet technology is continually evolving in order to meet the demanding needs of new accelerators and to provide necessary upgrades for existing machines. A variety of designs are...
Quench Propagation Ignition using Single-Mode Diode Laser (2005)
Trillaud, F, Ayela, F, Devred, Arnaud, Fratini, M, Leboeuf, D, Tixador, P
The stability of NbTi-based multifilamentary composite wires subjected to local heat disturbances of short durations is studied in pool boiling helium conditions. A new type of heater is being...
Devred, Arnaud, Baudouy, B, Baynham, D Elwyn, Boutboul, T, Canfer, S, Chorowski, M, ...
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...
Analytical & Numerical Modelings of Elliptical Superconducting Filament Magnetization (2005)
Bottura, L, Satiramatekul, T, Bouillault, F, Devred, Arnaud
This paper deals with the two-dimensional computation of magnetization in an elliptic superconducting filament by using numerical and analytical methods. The numerical results are obtained from the...
Brüning, Oliver Simon, Devred, Arnaud, Ostojic, R, Rossi, L, Ruggiero, F, Scandale, Walter, ...
We investigate the maximum LHC performance for a standard IR design based on classical NbTi insertion magnets. We include in our analysis a ternary Nb-based ductile allow such as NbTi(Ta), a less...
Steering field quality in the main dipole magnets of the Large Hadron Collider (2004)
Todesco, Ezio, Bellesia, B, Bottura, L, Devred, Arnaud, Remondino, Vittorio, Pauletta, S, ...
More than 10% of the collared coils of the main LHC dipoles have been produced. In this paper we compare the measured field quality to beam dynamics targets using correlations to measurements at...
Steering field quality in the main dipole magnets of the Large Hadron Collider (2004)
Todesco, Ezio, Bellesia, B, Bottura, L, Devred, Arnaud, Remondino, Vittorio, Pauletta, S, ...
More than 10% of the collared coils of the main LHC dipoles have been produced. In this paper we compare the measured field quality to beam dynamics targets using correlations to measurements at...
High field accelerator magnet R&D in Europe (2004)
Devred, Arnaud, Baynham, D Elwyn, Bottura, L, Chorowski, M, Fabbricatore, P, Leroy, D, ...
The LHC magnet R&D program has shown that the limit of NbTi technology at 1.9 K was in the 10-to-10.5-T range. Hence, to go beyond the 10-T threshold, it is necessary to change the superconducting...
High-Field Accelerator Magnets Beyond LHC (2003)
The LHC magnet R&D Program has shown that the limit of NbTi technology at 1.8 K was in the range 10 to 10.5 T. Hence, to go beyond the 10-T threshold, it is necessary to change of superconducting...
Controlling Field Quality in Magnet Production (2003)
Scandale, Walter, Bottura, L, Devred, Arnaud, Remondino, Vittorio, Sanfilippo, S, Todesco, Ezio, ...
The field quality measurements at room temperature of around 100 collared coils of the main LHC dipoles are analysed. Using correlations to field measurements at 1.9 K, comparison with beam dynamics...
Controlling Field Quality in Magnet Production (2003)
Scandale, Walter, Bottura, L, Devred, Arnaud, Remondino, Vittorio, Sanfilippo, S, Todesco, Ezio, ...
The field quality measurements at room temperature of around 100 collared coils of the main LHC dipoles are analysed. Using correlations to field measurements at 1.9 K, comparison with beam dynamics...
Test Results of the Third LHC Main Quadrupole Magnet Prototype at CEA/Saclay (2002)
Derégel, J, Devred, Arnaud, Gourdin, C, Hervieu, M, Ogitsu, T, Peyrot, M, ...
The construction of the third second-generation main quadrupole magnet prototype for LHC has been completed at CEA/Saclay in November 2000. The magnet was tested at 1.9 K. Similarly to the two first...
Test Results of the Third LHC Main Quadrupole Magnet Prototype at CEA/Saclay (2002)
Derégel, J, Devred, Arnaud, Gourdin, C, Hervieu, M, Ogitsu, T, Peyrot, M, ...
The construction of the third second-generation main quadrupole magnet prototype for LHC has been completed at CEA/Saclay in November 2000. The magnet was tested at 1.9 K. Similarly to the two first...
Report of the review committee on the Fermilab HGQ R and D program: FNAL, 18-19 March 1999 (1999)
Devred, Arnaud, Anerella, M, Leroy, D, Ostojic, R, Schermer, R, Védrine, P