Page 153 - Fundamentals of Magnetic Thermonuclear Reactor Design

a The numerator shows the area of respective cable components for untwisted strands (with a cross-section normal to strand axis), and the denominator shows the area of
19.2 × 19.2
14.8 × 14.8
steel 316LN
86.6/89.2
37.6/38.8
0.73
35.4
300
2.3
51.9 × 51.9
424.7/440.9
steel 316LN
90.3/94.1
∅35.4
34.6
720
2.3
51.9 × 51.9
370.5/385.1
steel 316LN
144.5/50.5
∅35.4
1152
34.5
2.3
TABLE 5.6 Characteristics of Superconducting Cables Designed for ITER Magnets
Coils
53.8 × 53.8 steel
229.3/238.8
366.8/382.1
316LN
∅37.8
PFCs CCs PF2, 3, 4 PF5 PF1, 6 7 6 5 4 NbTi NbTi Superconducting Magnet Systems Chapter | 5 135
1440
0.73
34.7
1.6
Nb 3 Sn 154/160.8 308.6/321.5 ∅32.6 49 × 49 steel JK2LB
CS 3 0.83 1.0 576 33.5
TFCs 2 Nb 3 Sn 0.82 1.0 900 235.3/242.6 508.3/524.0 29.7 ∅39.7 ∅43.7 steel 316LN respective cable components with a cross-section normal to cable axis.
Characteristics and Parameters 1 Superconductor Strand diameter (mm) Strand copper/non-copper ratio Number of strands Superconductor a cross- section (mm 2 ) Copper a cross-section (mm 2 ) Void fraction, (without central channel (%)) Cable size (mm) Jacket size (mm) and material