Download presentation
Presentation is loading. Please wait.
Published byThomasina O’Connor’ Modified over 9 years ago
1
CERN Accelerator School, Erice 2013 Tiepida-2 case-study 3: High field – large aperture magnet for a cable facility TiEpIdA2 design team: I. Mondino: Project Management A. Kario: Project Management T. Zickler: Project Management S. Kar: Project Management R. Pasquet: Magnet Design A. Dallocchio: Industrial Intelligence Service E. Todesco: Template Supplier
2
CERN Accelerator School, Erice 2013 Main Goal Design a superconducting dipole Aperture: 100mm Central field: 15T ( @ 90% I ss ) Nb3Sn cables @ 1.9 K Magnet for cable test facility: One of a kind magnet… No strong cost optimization required Good safety margin wrt working condition… Possible future upgrade
3
CERN Accelerator School, Erice 2013 The importance of the intelligence service… PIT Nb3Sn, 40 strands cable, 1mm filament: Degradation after cable reaction < 5% w t
4
CERN Accelerator School, Erice 2013 Superconducting cable Data courtesy: Intelligence Service…
5
CERN Accelerator School, Erice 2013 Preliminary Coil dimensioning Coil Width: 83,6mm 4 Layers coil in agreement with cable dimensions Main Coil Parameters: Cu/SC Ratio: 1.2 Filling Factor K: 0.318 Ins. Cable Area: 45mm 2 17,6 T
6
Load Line Load Curve
7
Short sample and operating condition “Short sample” conditions j SC_ss = 955 A/mm 2 j O_ss = 303 A/mm 2 I ss = 13630 A B ss_peak = 17.3 T B ss = 16.8 T Operation conditions at 90% of I ss j SC_op = 855 A/mm 2 j O_op = 272 A/mm 2 I op = 12213 A B op_peak = 15.5 T B op = 15.1 T
8
CERN Accelerator School, Erice 2013 Coil Lay-out 1/2 TIEPIDA-2 100mm Aperture 4Layers, 6 sectors, 60 deg, (cos ϑ design) Nb3Sn @1.9 K No (pushed) field optimization for this application…
9
CERN Accelerator School, Erice 2013 Coil Lay-out 2/2 TIEPIDA2: Open collars Bladers with open iron yoke Shrinking cylinder in aluminum Lorentz forces: F x =9.9MN/m F y =-8.1MN/m Average normal stress: σ=-128 MPa
10
CERN Accelerator School, Erice 2013 Iron Yoke Iron yoke dimension: t iron =375mm Collar dimension: t collar =30 mm Shrinking cylinder: t shrinking cylinder = 83mm Overall diameter: d=1250mm Length: L=1.5m
11
CERN Accelerator School, Erice 2013 Thanks for your attention! TiEpIdA2 Tricky innovation Encourages people In developing Amenities
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.