| Current density terminology |
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| coil
plasma separation |
19 |
cm |
minimum, value maximized by coilopt |
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| coil to
coil separation |
10 |
cm |
minimum, value maximized by coilopt |
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| Coil
bore allowance (CBA): |
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| scrape-off |
2 |
cm |
minimum, depends on location |
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| PFCs,
trim coils |
6.5 |
cm |
minimum value specified |
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| vessel
envelope |
2 |
cm |
1 +/- 0.5 cm IB, 1 +/- 1.5 cm OB |
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| thermal
insulation |
1.5 |
cm |
minimum value specified |
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| SUBTOTAL |
12 |
cm |
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| Coil
clamps, insulation |
1.3 |
cm |
reference minimum dimensions |
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| TOTAL |
13.3 |
cm |
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| Max
radial space available for winding (RPACK): |
11.4 |
cm |
2 x (coil-plasma sep - coil bore
allowance) |
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| Web
thickness |
1.49 |
cm |
minimum ref. dimension |
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| ground
wrap |
0.10 |
cm |
minimum ref. dimension |
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| "W1" |
0.84 |
cm |
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| minimum
winding to winding clearance: |
1 |
cm |
minimum ref. dimension |
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| "W2" |
1.20 |
cm |
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| Max
lateral space for winding pack (WPACK): |
3.55 |
cm |
(coil-coil separation - 2xW1 -
W2) / 2 |
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| turn
insulation |
0.08 |
cm |
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| copper
packing fraction |
75.0% |
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| turns
wide / pack |
2 |
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| turns
tall /pack |
8 |
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| insulation
area |
7.79 |
cm^2 |
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| gross
area |
40.51 |
cm^2 |
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| net
copper area |
24.54 |
cm^2 |
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| net
packing fraction / pack: |
60.6% |
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| Current
per turn |
20300 |
Amps |
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| Current
per pack |
324800 |
Amp-turns |
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| Current
density in Cu |
13233 |
A/cm^2 |
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| Twist
correction: |
none |
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