FRESCA2 - Coils 1+2 scenario E. Rochepault – 11/25/14 5/12/2019 Document reference

2D models 2D Ansys Magnetic 2D Ansys Mechanical 3-4: Cu Coils 1-2: Sc Coils 5/12/2019 Document reference

Operating point Chosen to produce the same level of forces in coils 1-2 15.5 kA 10.5 T bore field 12.7 T peak field 85 % SS limit @ 4.2 K 80 % SS limit @ 1.9 K Iss4.2 85% Iss4.2 I0 5/12/2019 Document reference

2D magnetic results Lorentz forces 4 coils: Fx1 = 3.37 MN/m Fy1 = -0.57 MN/m Fx2 = 4.28 MN/m Fy2 = -3.63 MN/m 2 coils: Fx1 = 3.86 MN/m Fy1 = -3.43 MN/m 5/12/2019 Document reference

2D mechanical results Contact pressure  Target: -40 MPa min. pressure 4 coils: 600 μm interference 30 MPa bladder pressure* 2 coils: 750 μm interference 37 MPa bladder pressure* *Without using yoke bladders 5/12/2019 Document reference

2D mechanical results Horizontal stress Sx in the coil (excitation) 4 coils:  Peak stress = 139 MPa 2 coils:  Peak stress = 118 MPa 5/12/2019 Document reference

2D mechanical results Horizontal stress Sx in the coil Max: 60 112 118 Irreversible degradation values (MPa): 200 200 200 5/12/2019 Document reference

Thank you for your attention Any question ? 5/12/2019 Document reference

Backup slides 5/12/2019 Document reference

2D mechanical results VM stress in the bore tube Yield values [1]:  Titanium Ti-6Al-4V 345 793 579 Yield values [1]: 827 1654 1654 [1] H. Felice, LBNL 5/12/2019 Document reference

2D mechanical results VM stress in the island Yield values [2]:  Iron, material to be checked (Armco, AISI 1010…?) 203 613 296 Yield values [2]: 300 1000 1000 [2] Matweb, AISI 1010 Cold drawn 5/12/2019 Document reference

2D mechanical results VM stress in the horizontal pad  Stainless steel 316 LN 112 240 305 Yield values [1]: 350 1050 1050 5/12/2019 Document reference

2D mechanical results VM stress in the yoke Yield values [3]:  Magnetil 208 312 369 Yield values [3]: 180 715 715 [3] Production of Low-Carbon Magnetic Steel for the LHC Superconducting Dipole and Quadrupole Magnets, F. Bertinelli et al., IEEE, 2006 5/12/2019 Document reference

2D mechanical results VM stress in the shell Yield values [1]:  Aluminum AL 7075 85 209 212 Yield values [1]: 480 690 690 5/12/2019 Document reference