Bartlett, S.E.

Caspi, S.

Dietderich, D.R.

Ferracin, P.

Gourlay, S.A.

Hafalia, A.R.

Hannaford, C.R.

Lietzke, A.F.

Mattafirri, S.

Nyman, M.

Sabbi, G.

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Lawrence Berkeley National LaboratoryLBL PublicationsTitleMeasured strain of a Nb3Sn coil during excitation and quenchPermalinkhttps://escholarship.org/uc/item/5wm4q012AuthorsCaspi, S.Bartlett, S.E.Dietderich, D.R.et al.Publication Date2004-04-13eScholarship.org Powered by the California Digital LibraryUniversity of California  Measured Strain of a Nb3Sn Coil During Excitation and Quench S. Caspi, S.E. Bartlett, D.R. Dietderich, P. Ferracin, S.A. Gourlay, C.R. Hannaford, A.R. Hafalia, A.F. Lietzke, S. Mattafirri, M. Nyman, G. Sabbi LBNL, Berkeley, CA   The stress in a high field Nb3Sn coil was measured during magnet assembly, cool-down and excitation. The coil strain was obtained with a full strain-gauge bridge mounted directly over the turns and impregnated with the coil. Two such coils were placed in a “common coil” fashion capable of reaching 10T at 4.2K. The measured steady state stress in the coil is compared with similar results obtained using the FEM code ANSYS. During quenches, the transient stress (due to a temperature rise) was also measured and compared with the calculated mechanical time response to a quench.  *Supported by the U.S. Department of Energy under Contract No. DE-AC03-76SF00098.       

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Measured strain of a Nb3Sn coil during excitation and quench

https://escholarship.org/uc/item/5wm4q012

Measured strain of a Nb3Sn coil during excitation and quench

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