Helium collector structural analysis Jonathan Moberg Outline 1

Helium collector structural analysis Jonathan Moberg

Outline 1. Overview 2. Bellows 3. Pipes 4. Supports

Routing of the collector Cold box room vent line Total length of the collector < 400 m CDS vent line L = 12 m, DN 400 CTL gallery L = 55 m Elliptical and Spoke Linac tunnel 310 m

Connections to the collector header 4

5

Bellows 6

Highest stress in the system 7

Deformation 8

SHC [L/R] Cryomodule L L L Spoke transition elliptical L R R Deformation 1 [mm] Deformation 2 [mm] Total Deformation [mm] 21. 84 22. 48 9. 19 2. 64 21. 8 24 25 31 2. 65 21. 83 21. 79 2. 58 21. 74 2. 61 2. 65 17. 09 24 24 24 20 2. 62 21. 78 24 9

CDS vent line connection 10

11

Stub loads Safety device Type SV 91 SV 92 SV 93 SV 94 RD 92 DIN EN 1092 -1 Form B 1 (DIN 2526 Form C) DIN EN 1092 -1 Type 11 Form B Interface DN Interface PN 80 16 -0. 30 1. 3 40 16 -0. 20 25 40 -0. 15 40 40 100 16 Static pressure in the flexible inlet hose Fz due valve Fx to mass opening [k. N] Fy [k. N] Fz [k. N] -1. 4 0. 8 -4. 5 -0. 20 2 -4. 5 -0. 20 5. 6 NA NA NA 12

Load cases Load case 1 2 3 4 5 6 DN 25 [N] -4500 -4500 dir DN 40 [N] z 4500 y -4500 x 4500 y 4500 z 0 dir DN 80 [N] z -1400 y -1400 x -1400 z -1400 dir DN 100 [N] z 5600 y 5600 x 5600 y 5600 z 5600 dir y y y 13

Load case 3 1. 4404 1. 4307 Time step Plastic deformation [m/m] 1 6. 19 E-03 3 6. 44 E-03 5 6. 62 E-03 7 6. 75 E-03 9 6. 84 E-03 11 6. 90 E-03 13 6. 94 E-03 15 6. 96 E-03 17 6. 97 E-03 Time step Plastic deformation [m/m] 1 6. 34 E-03 3 6. 60 E-03 5 6. 79 E-03 7 6. 94 E-03 9 7. 04 E-03 11 7. 11 E-03 13 7. 15 E-03 15 7. 17 E-03 17 7. 18 E-03 n_allowed 6328 4654 Plastic strain [m/m] Plastic deformation 7. 60 E-03 7. 10 E-03 6. 60 E-03 LC 3 1. 4307 6. 10 E-03 5. 60 E-03 LC 3 1. 4404 0 5 10 Time step 15 20 14

Plastic deformation 7. 40 E-03 7. 20 E-03 Plastic strain [m/m] 7. 00 E-03 6. 80 E-03 6. 60 E-03 LC 3 1. 4307 6. 40 E-03 LC 3 1. 4404 6. 20 E-03 6. 00 E-03 5. 80 E-03 5. 60 E-03 0 2 4 6 8 Time step 10 12 14 16 18 15