Analysis of 20T Hybrid Block-Coil V5.8 Magnetic Model
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5
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8
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14/09/2022
M
A
G
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C
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5
.
8
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2
20 T hybrid block-coil
Page 2
29/09/2024
•
Magnetic layout modified to:
•
split the Nb3Sn blocks in 2
•
incorporate ribs in between
•
(no magnetic optimization)
•
With iron:
•
20.2 T in the bore
•
21.0 T peak field
•
Fixed nodes (= infinitely rigid)
everywhere but the coil blocks
•
Lorentz forces only
•
With iron
R
I
G
I
D
B
O
U
N
D
A
R
I
E
S
20 T hybrid block-coil
Page 3
29/09/2024
113 MPa
60 MPa
Sx
Sy
•
All surrounding components
bonded
•
Coil shims
bonded
to coils
•
Coil blocks
sliding
•
Rigid
structure
Peak stresses in corners
A
L
L
C
O
M
P
O
N
E
N
T
S
B
O
N
D
E
D
,
C
O
I
L
S
L
I
D
I
N
G
20 T hybrid block-coil
Page 4
29/09/2024
444 MPa
373 MPa
Sx
Sy
•
All surrounding components
bonded
•
Coil blocks
sliding and separating
•
Main rib
bonded
to YPad
•
Some coil blocks
sliding with no
separation
to improve convergence
High bending of main rib
C
O
M
P
O
N
E
N
T
S
S
L
I
D
I
N
G
A
N
D
S
E
P
A
R
A
T
I
N
G
20 T hybrid block-coil
Page 5
29/09/2024
619 MPa
307 MPa
Sx
Sy
This analysis focuses on the magnetic model of a 20T hybrid block-coil V5.8 system, including modifications to incorporate ribs, iron components, rigid boundaries, component bonding, sliding and separating configurations, and stress evaluations. The study explores the layout adjustments, peak magnetic field strengths, Lorentz forces, and stress distributions within the system. Different aspects such as rigid structures, sliding coil blocks, and bonding of components are investigated to understand the performance and behavior of the hybrid block-coil system under varying conditions.
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Presentation Transcript
20T hybrid block-coil V5.8 E. Rochepault 14/09/2022
MAGNETIC MODEL 5.8.2 Magnetic layout modified to: split the Nb3Sn blocks in 2 incorporate ribs in between (no magnetic optimization) With iron: 20.2 T in the bore 21.0 T peak field 20 T hybrid block-coil 29/09/2024 Page 2
RIGID BOUNDARIES Fixed nodes (= infinitely rigid) everywhere but the coil blocks Lorentz forces only With iron Sx Sy 60 MPa 113 MPa 20 T hybrid block-coil 29/09/2024 Page 3
ALL COMPONENTS BONDED, COIL SLIDING All surrounding components bonded Coil shims bonded to coils Coil blocks sliding Rigid structure Peak stresses in corners Sx Sy 373 MPa 444 MPa 20 T hybrid block-coil 29/09/2024 Page 4
COMPONENTS SLIDING AND SEPARATING All surrounding components bonded Coil blocks sliding and separating Main rib bonded to YPad Some coil blocks sliding with no separation to improve convergence High bending of main rib Sx Sy 307 MPa 619 MPa 20 T hybrid block-coil 29/09/2024 Page 5
