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Description
The Main Linac of the International Linear Collider (ILC) includes superconducting quadrupole (SCQ) packages that are located between the superconducting RF cavities, with one SCQ within each of the Type-B cryomodules. This combined-functioned, splittable superconducting magnet focus and steer the electrons and positrons. The magnet is required to be cryogen free, and conductively cooled down via thermal links. This links should be connected to the outer surface of the transfer line that supplies liquid helium to the RF cavities. Additionally, to address the large heat deposition expected in the superconducting coils due to beam-induced dark currents, the use of Nb3Sn strand is advocated for the coil, given their superior thermal margin related to NbTi.
This paper depicts a numerical analysis of the thermal behaviour of the impregnated Nb3Sn quadrupole coils and proposes a conduction-cooling strategy for these coils. The anisotropic behaviour of the coil has been thoroughly examined. A highly conductive casing for the coil has been designed and high purity aluminium sheets have been integrated to significantly improve thermal management.
| Submitters Country | Spain |
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