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1.
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Challenges in the Support Structure Design and Assembly of HD3, a Nb$_3$Sn Block-Type Dipole Magnet
/ Felice, H (LBNL, Berkeley) ; Borgnolutti, F (LBNL, Berkeley) ; Caspi, S (LBNL, Berkeley) ; Cheng, D W (LBNL, Berkeley) ; Dietderich, D R (LBNL, Berkeley) ; Ferracin, P (LBNL, Berkeley) ; Godeke, A (LBNL, Berkeley) ; Hafalia, A R (LBNL, Berkeley) ; Joseph, J M (LBNL, Berkeley) ; Lizarazo, J (LBNL, Berkeley) et al.
As part of the development of very high field dipole magnets for particle accelerators, the Superconducting Magnet Program at Lawrence Berkeley National Laboratory is developing block-type dipole magnets. One of the main challenges of this geometry is to provide support to the coil in the aperture while maintaining an adequate clear bore. [...]
2013 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 23 (2013) 4001705
In : Applied Superconductivity Conference 2012: The Next Century of Superconductivity, Portland, OR, USA, 7 - 12 Oct 2012, pp.4001705
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2.
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Use of High Resolution DAQ System to Aid Diagnosis of HD2b, a High Performance Nb$_3$Sn Dipole
/ Lizarazo, J (LBNL, Berkeley) ; Doering, D (LBNL, Berkeley) ; Doolittle, L (LBNL, Berkeley) ; Galvin, J (LBNL, Berkeley) ; Caspi, S (LBNL, Berkeley) ; Dietderich, D R (LBNL, Berkeley) ; Felice, H (LBNL, Berkeley) ; Ferracin, P (LBNL, Berkeley) ; Godeke, A (LBNL, Berkeley) ; Joseph, J M (LBNL, Berkeley) et al.
A novel voltage monitoring system to record voltage transients in superconducting magnets is being developed at LBNL . This system has 160 monitoring channels capable of measuring differential voltages of up to 1.5 kV with 100 kHz bandwidth and 500 kS/s digitizing rate. [...]
2009 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 19 (2009) 2345-2349
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3.
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Assembly and Test of HD2, a 36 mm Bore High Field ${\rm Nb}_{3}{\rm Sn}$ Dipole Magnet
/ Ferracin, P (LBL, Berkeley) ; Bingham, B (LBL, Berkeley) ; Caspi, S (LBL, Berkeley) ; Cheng, D W (LBL, Berkeley) ; Dietderich, D R (LBL, Berkeley) ; Felice, H (LBL, Berkeley) ; Godeke, A (LBL, Berkeley) ; Hafalia, A R (LBL, Berkeley) ; Hannaford, C R (LBL, Berkeley) ; Joseph, J M (LBL, Berkeley) et al.
We report on the fabrication, assembly, and test of the ${\rm Nb}_{3}{\rm Sn}$ dipole magnet HD2. The magnet, aimed at demonstrating the application of ${\rm Nb}_{3}{\rm Sn}$ superconductor in high field accelerator-type dipoles, features a 36 mm clear bore surrounded by block-type coils with tilted ends. [...]
2009 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 19 (2009) 1240-1243
In : Applied Superconductivity Conference 2008, Chicago, IL, USA, 17 - 22 Aug 2008, pp.1240-1243
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4.
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Development of the 15 T $\hbox{Nb}_{3}\hbox{Sn}$ Dipole HD2
/ Ferracin, P (LBNL, Berkeley) ; Caspi, S (LBNL, Berkeley) ; Cheng, D W (LBNL, Berkeley) ; Dietderich, D R (LBNL, Berkeley) ; Hafalia, A R (LBNL, Berkeley) ; Hannaford, C R (LBNL, Berkeley) ; Higley, H (LBNL, Berkeley) ; Lietzke, A F (LBNL, Berkeley) ; Lizarazo, J (LBNL, Berkeley) ; McInturff, A D (LBNL, Berkeley) et al.
The Superconducting Magnet Program at Lawrence
Berkeley National Laboratory (LBNL) is continuing the development of HD2, a 1 m long $\hbox{Nb}_{3}\hbox{Sn}$ dipole generating a dipole field
of 15 T in a 36 mm clear bore. With tilted (flared) ends to avoid
obstructing the beam path, HD2 represents a step towards the development of high field and cost effective accelerator quality magnets. [...]
2008 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 18 (2008) 277-280
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5.
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Recent Test Results of the High Field ${\rm Nb}_{3}{\rm Sn}$ Dipole Magnet HD2
/ Ferracin, P (LBNL, Berkeley) ; Bingham, B (LBNL, Berkeley) ; Caspi, S (LBNL, Berkeley) ; Cheng, D W (LBNL, Berkeley) ; Dietderich, D R (LBNL, Berkeley) ; Felice, H (LBNL, Berkeley) ; Hafalia, A R (LBNL, Berkeley) ; Hannaford, C R (LBNL, Berkeley) ; Joseph, J (LBNL, Berkeley) ; Lietzke, A F (LBNL, Berkeley) et al.
The 1 m long Nb$_3$Sn dipole magnet HD2, fabricated and tested at Lawrence Berkeley National Laboratory, represents a step towards the development of block-type accelerator quality magnets operating in the range of 13-15 T. The magnet design features two coil modules composed of two layers wound around a titanium-alloy pole. [...]
2010 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 20 (2010) 292-295
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6.
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Mechanical Behavior of HQ01, a Nb$_3$Sn Accelerator-Quality Quadrupole Magnet for the LHC Luminosity Upgrade
/ Ferracin, P (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Anerella, M (Brookhaven Natl. Lab.) ; Bossert, R (Fermilab) ; Caspi, S (LBL, Berkeley) ; Chlachidze, G (Fermilab) ; Cheng, D W (LBL, Berkeley) ; Dietderich, D R (LBL, Berkeley) ; Felice, H (LBL, Berkeley) ; Ghosh, A (Brookhaven Natl. Lab.) et al.
HQ01 is a superconducting quadrupole magnet under development by the LHC Accelerator Research Program (LARP) as a part of an R&D; effort to demonstrate that Nb$_3$Sn magnet technology is a viable option for a future luminosity upgrade of the LHC. The design is characterized by a 120 mm bore, a maximum gradient of 219 T/m at 1.9 K, and a support structure based on an aluminum shell pre-tensioned by water-pressurized bladders. [...]
2012 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 22 (2012) 4901804
In : 22nd International Conference on Magnet Technology, Marseille, France, 12 - 16 Sep 2011, pp.4901804
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7.
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Quench Performance of HQ01, a 120 mm Bore LARP Quadrupole for the LHC Upgrade
/ Marchevsky, M (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Bingham, B (LBL, Berkeley) ; Bossert, R (Fermilab) ; Caspi, S (LBL, Berkeley) ; Cheng, D W (LBL, Berkeley) ; Chlachidze, G (Fermilab) ; Dietderich, D (LBL, Berkeley) ; DiMarco, J (Fermilab) ; Felice, H (LBL, Berkeley) et al.
We report quench test results for the 1-meter long, 120 mm aperture Nb$_3$Sn quadrupole magnet, HQ01, designed, fabricated and tested for the LHC Accelerator Research Program (LARP). The magnet has a design gradient of 219 T/m at 1.9 K and peak field of ~15 T. [...]
2012 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 22 (2012) 4702005
In : 22nd International Conference on Magnet Technology, Marseille, France, 12 - 16 Sep 2011, pp.4702005
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8.
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Assembly and Tests of SQ02, a Nb$_{3}$Sn Racetrack Quadrupole Magnet for LARP
/ Ferracin, P (LBNL, Berkeley) ; Ambrosio, G (Fermilab) ; Barzi, E (Fermilab) ; Caspi, S (LBNL, Berkeley) ; Dietderich, D R (LBNL, Berkeley) ; Feher, S (Fermilab) ; Gourlay, S A (LBNL, Berkeley) ; Hafalia, A R (LBNL, Berkeley) ; Hannaford, C R (LBNL, Berkeley) ; Lizarazo, J (LBNL, Berkeley) et al.
The US LHC Accelerator Research Program (LARP) is developing Nb$_{3}$Sn accelerator magnets for a possible LHC luminosity upgrade. As part of the LARP supporting R&D;, a subscale racetrack quadrupole magnet (SQ) has been developed in order to provide a cost effective tool for technology development studies. [...]
2007 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 17 (2007) 1019-1022
In : Applied Superconductivity Conference, Seattle, WA, USA, 27 Aug - 1 Sep 2006, pp.1019-1022
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9.
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Assembly and Test of a Support Structure for 3.6 m Long Nb$_3$Sn Racetrack Coils
/ Ferracin, P ; Ambrosio, G ; Anerella, M ; Caspi, S ; Cheng, D W ; Felice, H ; Hafalia, A R ; Hannaford, C R ; Lietzke, A F ; Lizarazo, J et al.
The LHC accelerator research program (LARP) is currently developing 4 m long Nb$_3$Sn quadrupole magnets for a possible upgrade of the LHC Interaction Regions (IR). In order to provide a reliable test bed for the fabrication and test of long Nb$_3$Sn coils, LARP has started the development of the long racetrack magnet LRS01. [...]
2008 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 18 (2008) 167-170
In : 20th International Conference on Magnet Technology, Philadelphia, PA, USA, 27 - 31 Aug 2007, pp.167-170
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10.
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Construction and Test of 3.6 m Nb$_3$Sn Racetrack Coils for LARP
/ Wanderer, P (Brookhaven) ; Ambrosio, G (Fermilab) ; Anerella, M (Brookhaven Natl. Lab.) ; Barzi, E (Fermilab) ; Bossert, R (Fermilab) ; Caspi, S (LBNL, Berkeley) ; Cheng, D W (LBNL, Berkeley) ; Cozzolino, J (Brookhaven Natl. Lab.) ; Dietderich, D R (LBNL, Berkeley) ; Escallier, J (Brookhaven Natl. Lab.) et al.
Development of high-performance Nb$_3$Sn quadrupoles is one of the major goals of the LHC Accelerator Research Program (LARP). As part of this program, long racetrack magnets were made in order to check the fabrication steps for long Nb$_3$Sn coils, that the changes in coil length that take place during reaction and cooldown are correctly accounted for in the quadrupole design, and the use of a long aluminum shell for the support structure. [...]
2008 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 18 (2008) 171-174
In : 20th International Conference on Magnet Technology, Philadelphia, PA, USA, 27 - 31 Aug 2007, pp.171-174
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