Mechanical Analysis of the FRESCA2 Dipole During Preload, Cool-Down, and Powering

Autor: Gerard Willering, Etienne Rochepault, Nicolas Bourcey, Michael Guinchard, Gijs de Rijk, Juan Carlos Perez, Pierre Manil, Philippe Grosclaude, F. Rondeaux, Paolo Ferracin, J. M. Rifflet
Přispěvatelé: Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: IEEE Trans.Appl.Supercond.
25th International Conference on Magnet Technology
25th International Conference on Magnet Technology, Aug 2017, Amsterdam, Netherlands. pp.4002905, ⟨10.1109/TASC.2017.2781704⟩
Popis: International audience; The FRESCA2 dipole magnet is being developed within a collaboration between CEA Saclay and CERN. The main goal of the magnet is to provide a 13 T nominal bore field into a clear aperture of 100 mm diameter, for the second generation cable test facility FRESCA2 at CERN. Two magnet assemblies have been done with different coils. The assemblies have been preloaded at room temperature, cooled-down in liquid helium, and powered with several current cycles. The magnet is mechanically instrumented with strain gauges on the external shell, tie rods, and central post of the coils. Strain data are compared with a 3-D mechanical model, in order to validate different assumptions such as friction coefficients, material properties, and prestress levels. This paper reports the results of the mechanical measurements collected during preload, cool-down, powering, and warm-up of the magnet.
Databáze: OpenAIRE