Overview and status of the Next European Dipole Joint Research Activity

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Devred, A. and Baudouy, B. and Baynham, D.E. and Boutboul, T. and Canfer, S. and Chorowski, M. and Fabbricatore, P. and Farinon, S. and Ouden den, A. and Weelderen van, R. and Vedrine, P. and Volpini, G. (2006) Overview and status of the Next European Dipole Joint Research Activity. Superconductor Science and Technology, 19 (3). S67-S83. ISSN 0953-2048

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Abstract:The Next European Dipole (NED) Joint Research Activity was launched on 1 January 2004 to promote the development of high-performance Nb3Sn conductors in collaboration with European industry (aiming at a non-copper critical current density of 1500 A mm−2 at 4.2 K and 15 T) and to assess the suitability of Nb3Sn 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, which involves eight collaborators, and is half-funded by the European Union. After briefly recalling the Activity organization, we report the main progress achieved over the last year, which includes: the manufacturing of a double-bath He II cryostat for heat transfer measurements through Nb3Sn conductor insulation, detailed quench computations for various NED-like magnet configurations, the award of two industrial subcontracts for Nb3Sn conductor development, the first results of a cross-calibration programme of test facilities for Nb3Sn wire characterization, detailed investigations of the mechanical properties of heavily cold-drawn Cu/Nb/Sn composite wires, and the preliminary assessment of a new insulation system based on polyimide-sized glass fibre tapes. Last, we briefly review the efforts of an ongoing Working Group on magnet design and optimization.
Item Type:Article
Copyright:© 2006 IOP Publishing
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/74430
Official URL:http://dx.doi.org/10.1088/0953-2048/19/3/010
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