# IEEE Transactions on Applied Superconductivity

## Volume 19 Issue 3  Part 2 • June 2009

This issue contains several parts.Go to:  Part 1  | Part 3

## Filter Results

Displaying Results 1 - 25 of 342

Publication Year: 2009, Page(s): C1
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• ### IEEE Transactions on Applied Superconductivity publication information

Publication Year: 2009, Page(s): C2
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Publication Year: 2009, Page(s):1041 - 1054
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• ### Next Generation More-Electric Aircraft: A Potential Application for HTS Superconductors

Publication Year: 2009, Page(s):1055 - 1068
Cited by:  Papers (89)
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Sustainability in the aviation industry calls for aircraft that are significantly quieter and more fuel efficient than today's fleet. Achieving this will require revolutionary new concepts, in particular, electric propulsion. Superconducting machines offer the only viable path to achieve the power densities needed in airborne applications. This paper outlines the main issues involved in using supe... View full abstract»

• ### Recent Main Events in Applied Superconductivity in China

Publication Year: 2009, Page(s):1069 - 1080
Cited by:  Papers (21)
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With strong support from Chinese government bodies such as the National High Technology Research and Development Program of China, National Natural Science Foundation of China and the National Basic Research Program of China, the field of applied superconductivity in China has been developed in different areas. Especially in the fusion application area, the first fully-superconducting tokamak, EAS... View full abstract»

• ### Status of Superconducting Magnet System for the J-PARC Neutrino Beam Line

Publication Year: 2009, Page(s):1081 - 1086
Cited by:  Papers (7)
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A superconducting magnet system for the J-PARC neutrino beam line has been under construction since 2004. The system consists of 14 doublet cryostats; each contains 2 combined function magnets (SCFM). The SCFM uses two single layer left/right asymmetric coils that produce a dipole field of 2.6 T and quadrupole of 19 T/m. The SCFMs had been developed by 2004, mass-produced since 2005, and completed... View full abstract»

• ### Fast Ramped Superferric Prototypes and Conclusions for the Final Design of the SIS 100 Main Magnets

Publication Year: 2009, Page(s):1087 - 1091
Cited by:  Papers (17)
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The 100 Tm synchrotron SIS 100 is the core component of the Facility of Antiproton and Ion Research (FAIR). An intensive R&D allowed reducing the AC losses considerably as well as improving the field quality. High priority was also given to the investigation of the mechanical stability of the superconducting coil to guarantee a long term life time of at least 20 years with more than 2middot10<... View full abstract»

• ### Magnetic Testing of a Superferric Dipole That Uses Metal-Oxide Insulated CICC

Publication Year: 2009, Page(s):1092 - 1094
Cited by:  Papers (2)
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A small dipole magnet designed for use in high-radiation environments that uses metal-oxide cable-in-conduit-conductor has been constructed and tested for magnetic properties. The conductor consisted of 42 strands of 0.5 mm diameter wires, in a conduit with outer dimension of 10 mm times 10 mm. The magnet carried about 8 kA. This gives an engineering current density of 80 A/mm<sup>2</sup&... View full abstract»

• ### Medium and Low Field HTS Magnets for Particle Accelerators and Beam Lines

Publication Year: 2009, Page(s):1095 - 1099
Cited by:  Papers (6)
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High Temperature Superconducting (HTS) magnets may offer an attractive alternative to both water-cooled copper and conventional low temperature superconducting magnets in many accelerators and beam lines. With energy cost rising and conductor cost falling, HTS magnets operating in the 20-60 K temperature range are gaining renewed interest for the lower cost of ownership (capital + operation). More... View full abstract»

• ### Reproducibility of the Coil Positioning in${\rm Nb}_{3}{\rm Sn}$Magnet Models Through Magnetic Measurements

Publication Year: 2009, Page(s):1100 - 1105
Cited by:  Papers (7)
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The random part of the integral field harmonics in a series of superconducting magnets has been used in the past to identify the reproducibility of the coil positioning. Using a magnetic model and a Monte-Carlo approach, coil blocks are randomly moved and the amplitude that best fits the magnetic measurements is interpreted as the reproducibility of the coil position. Previous values for r.m.s. co... View full abstract»

• ### Fabrication and Test of a 3.7 m Long Support Structure for the LARP${\hbox{Nb}}_{3}{\hbox{Sn}}$Quadrupole Magnet LQS01

Publication Year: 2009, Page(s):1106 - 1111
Cited by:  Papers (17)
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The 3.7 m long quadrupole magnet LQS01 represents a major step of the US LHC Accelerator Research Program (LARP) towards the development of long Nb3Sn accelerator quadrupole magnets for a LHC Luminosity upgrade. The magnet support structure is a scale up of the 1 m long Technology Quadrupole TQS design with some modifications suggested by TQS model test results. It includes an aluminum ... View full abstract»

• ### Development of Pre-Bent High-Strength${\rm Nb}_{3}{\rm Sn}$Cable With Stainless-Steel Reinforcement Strands

Publication Year: 2009, Page(s):1112 - 1115
Cited by:  Papers (2)
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A 7-strand Nb3Sn superconducting cable, which consists of three pre-bent CuNb/Nb3Sn strands, three stainless-steel (SS) strands, and a center SS strand, was fabricated. 2.5 turns of the cable was wound on a 262-mm diameter GFRP bobbin A triplet consisting of three pre-bent CuNb/Nb3Sn strands was also tested for comparison. The reinforcement effect of stainless-stee... View full abstract»

• ### Quench Tests and FEM Analysis of${\rm Nb}_{3}{\rm Al}$Rutherford Cables and Small Racetrack Magnets

Publication Year: 2009, Page(s):1116 - 1120
Cited by:  Papers (5)
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In collaboration between NIMS and Fermilab, we have made copper stabilized Nb3Al Rutherford cables, using Nb-matrixed and Ta-matrixed strands. First these cables were investigated at high current in low self field using a flux pump. Using these Rutherford cables, we built and tested small racetrack magnets. The magnet made with the Nb-matrixed strand showed the flux jump instability in ... View full abstract»

• ### Manufacturing and Test of a Short$\hbox{Nb}_{3}\hbox{Sn}$Quadrupole Magnet Model at CEA/Saclay

Publication Year: 2009, Page(s):1121 - 1124
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IRFU/SACM at CEA/Saclay has undertaken an R&D program on Nb3Sn aimed at designing, building and testing a 1-m-long, 56-mm-single-aperture quadrupole magnet model. Model design is based on the design of LHC arc quadrupole magnets, without iron yoke. It is expected to reach a nominal field gradient of 211 T/m at 11,870 A. The main goal of the program is to learn about Nb3Sn... View full abstract»

• ### Test Results of Superconducting Magnets for the J-PARC Neutrino Beam Line

Publication Year: 2009, Page(s):1125 - 1130
Cited by:  Papers (7)
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Fabrication and cold tests of 32 superconducting combined function magnets including 4 backup magnets for the J-PARC neutrino have been completed. All the magnets reached 7700 A, 105% of maximum operation current, without any spontaneous quenches. Quench protection performance was also confirmed to be safe. In the field measurement during cold tests, all the magnets showed sufficient field quality... View full abstract»

• ### Electromagnetic Design of the Coil-Ends for the FAIR SIS300 Model Dipole

Publication Year: 2009, Page(s):1131 - 1135
Cited by:  Papers (6)
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Design activities, conductor R&amp;D and model coil construction are under way for developing a curved fast cycled superconducting dipole for the SIS300 synchrotron at FAIR. The main target is the construction within year 2009 of a half-length model magnet (cold mass fully integrated in a horizontal cryostat). This magnet is designed for a maximum central field of 4.5 T in a bore of 100 mm, wi... View full abstract»

• ### Magnetization Effects on the Superconducting Combined Magnet Prototype for XFEL

Publication Year: 2009, Page(s):1136 - 1140
Cited by:  Papers (8)
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The superconducting combined magnets for the main linac are part of the Spanish contribution to XFEL. Each magnet consists of a super-ferric quadrupole for focusing and two dipoles (horizontal and vertical) for steering, glued on the beam tube. The magnets will be operated in a superfluid helium bath. The aperture is 78 mm. The quadrupole gradient is 35 T/m whereas each dipole field is about 0.04 ... View full abstract»

• ### A Model Dipole for FAIR SIS300: Design of the Mechanical Structure

Publication Year: 2009, Page(s):1141 - 1145
Cited by:  Papers (8)
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Design activities coupled with conductor R&amp;D and model coil construction are under way for developing a curved fast cycled superconducting dipole suitable for operations of the SIS300 synchrotron at FAIR. The main target is the construction within 2009 of a model magnet (cold mass fully integrated in a horizontal cryostat). This magnet is designed for generating 4.5 T magnetic field in a b... View full abstract»

• ### Design Study for the SIS 300 Main Quadrupoles

Publication Year: 2009, Page(s):1146 - 1149
Cited by:  Papers (1)
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Various models for the main dipole of the SIS 300 have been manufactured by GSI and Brookhaven (GSI001), IHEP (a 1 m long 6 T model magnet currently under construction) and INFN (a 4.5 T curved magnet for the actual FODO lattice, also under construction). These different magnets reflect the design changes of the SIS 300 over the recent years. Based on the current lattice design studies for the mai... View full abstract»

• ### The GSI Cryogenic Prototype Test Facility—First Experience Gained on 2-Phase-Flow Superconducting Prototype Magnets of the FAIR Project

Publication Year: 2009, Page(s):1150 - 1153
Cited by:  Papers (3)
| | PDF (349 KB) | HTML

The Facility of Antiproton and Ion Research (FAIR) will feature two superconducting fast ramped synchrotrons (SIS 100, SIS 300). The core components of this new facility are two-phase forced cooled superferric magnets ramped with 4 T/s up to 2 T and single-phase forced cooled costhetas magnets ramped with 1 T/s up to 4 T. The GSI test facility consists of 2 test benches. One of them is equipped wi... View full abstract»

• ### Design Study of the Multipole Corrector Magnet for SIS 100

Publication Year: 2009, Page(s):1154 - 1157
Cited by:  Papers (6)
| | PDF (605 KB) | HTML

A design study of the multipole corrector magnet for the SIS 100 is in progress. This magnet, which has to integrate functions of a quadrupole, a sextupole and an octupole magnet, contains nested three windings to save longitudinal space in the accelerator ring. Although the windings are made from a Nuclotron type cable as for the SIS 100 main dipole magnet, insulated superconducting wires which a... View full abstract»

• ### Compact IR Quadrupoles for Linear Colliders Based on Rutherford-Type Cable

Publication Year: 2009, Page(s):1158 - 1161
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The upcoming and disrupted beams in the interaction region (IR) of a linear collider are focused by doublets consisting of two small-aperture superconducting quadrupoles. These magnets need an effective compact magnetic shielding to minimize magnetic coupling between the two channels and sufficient temperature margin to withstand radiation-induced heat depositions in the coil. This paper presents ... View full abstract»

• ### Transient 3D Finite Element Simulations of the Field Quality in the Aperture of the SIS-100 Dipole Magnet

Publication Year: 2009, Page(s):1162 - 1166
Cited by:  Papers (2)
| | PDF (317 KB) | HTML

The dipole magnets for the new heavy-ion synchrotron SIS-100, planned within the Facility for Anti-Proton and Ion Research (FAIR) at GSI, Darmstadt, Germany, have to be optimized under certain design requirements. At the intended high beam intensities, the field quality in the aperture is crucial. The geometry of the window-frame magnet featuring superconductive coils was already optimized with re... View full abstract»

• ### Quadrupole for the SIS 300

Publication Year: 2009, Page(s):1167 - 1171
Cited by:  Papers (4)
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Main parameters for the SIS300 quadrupole, GSI, Darmstadt, project FAIR, are 45 T/m central gradient in 105-mm aperture, the effective length of the quadrupole is 1 m. Optimized geometric parameters of 1-layer magnet are presented both in the cross section and end parts. The coil consists of 3 blocks in one quadrant. Collars are a self-supporting mechanical structure. Integral multipoles are suppr... View full abstract»

• ### Quench Performance of the LHC Insertion Magnets

Publication Year: 2009, Page(s):1172 - 1175
| | PDF (381 KB) | HTML

After final installation in the LHC tunnel, the MQM and MQY quadrupole magnets of the LHC insertions are now being commissioned to their nominal currents. These two types of magnets operate at 1.9 K and 4.5 K and with nominal currents ranging from 3600 A to 5390 A. From the very first acceptance tests of the bare magnets coming from the manufacturers, they have been powered using different cycles,... View full abstract»

## Aims & Scope

IEEE Transactions on Applied Superconductivity contains articles on the applications of superconductivity and other relevant technology.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Britton L. T. Plourde
Syracuse University
bplourde@syr.edu
http://asfaculty.syr.edu/pages/phy/plourde-britton.html