Quench Protection Study of a Single-Aperture 11 T Demonstrator Dipole for LHC Upgrades

G Chlachidze,N Andreev,G Apollinari,B Auchmann,E Barzi,R Bossert,M Karppinen,F Nobrega,I Novitski,Lucio Rossi,D Smekens,M Tartaglia,R Yamada,A V Zlobin

Applied Superconductivity, IEEE Transactions（2013）

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摘要

The planned upgrade of the Large Hadron Collider (LHC) collimation system will include installation of additional collimators in the dispersion suppressor areas. The longitudinal space for the collimators could be provided by replacing 15-m-long 8.33 T NbTi LHC main dipoles with shorter 11 T Nb3Sn dipoles compatible with the LHC lattice and main systems. FNAL and CERN have started a joint program with the goal of building a 5.5-m-long twin-aperture Nb3Sn dipole prototype suitable for installation in the LHC. The first step of this program is the development of a 2-m-long single-aperture demonstrator dipole with a nominal field of 11 T at the LHC nominal current of 11.85 kA. This paper summarizes the results of quench protection studies of 11 T dipoles performed using the single-aperture Nb3Sn demonstrator.

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关键词

accelerator magnets,colliding beam accelerators,collimators,niobium compounds,lhc collimation system,lhc upgrades,nb3sn,nbti,current 11.85 ka,dispersion suppressor areas,large hadron collider collimation system,magnetic flux density 11 t,magnetic flux density 8.33 t,quench protection study,single-aperture demonstrator dipole,size 15 m,size 2 m,size 5.5 m,lhc,magnet quench protection,quench protection heaters,superconducting magnets,large hadron collider,heating

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