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

Floor mounted support 16

Floor mounted support 17

F_5, 5316 e+005 18

F_5, 5316 e+005 19

Ceiling beam 20

Ceiling beam 22

Primary supports 23

Anchors 24

Supports in the corridor to the cold box 25

Supports in the corridor to the cold box 26

Fix after the L-shaped hole 27