|
32mm
boring 470.0 mm from top of the magnet @
commutator: positive B direction: top to bottom |
B = a
*I + b *I^3 + c *I^5
a = 0.90181; b 1.38851E-6; c = -1.15628E-10
(B in tesla; I in kA)
I (kA) |
B(T) |
|
I (kA) |
B(T) |
0.5 |
0.45091 |
|
19.0 |
17.14363 |
1.0 |
0.90181 |
|
19.5 |
17.59526 |
1.5 |
1.35272 |
|
20.0 |
18.04694 |
2.0 |
1.80363 |
|
20.5 |
18.49865 |
2.5 |
2.25455 |
|
21.0 |
18.95040 |
3.0 |
2.70547 |
|
21.5 |
19.40218 |
3.5 |
3.15639 |
|
22.0 |
19.85401 |
4.0 |
3.60733 |
|
22.5 |
20.30587 |
4.5 |
4.05827 |
|
23.0 |
20.75778 |
5.0 |
4.50922 |
|
23.5 |
21.20973 |
5.5 |
4.96019 |
|
24.0 |
21.66171 |
6.0 |
5.41116 |
|
24.5 |
22.11374 |
6.5 |
5.86214 |
|
25.0 |
22.56582 |
7.0 |
6.31314 |
|
25.5 |
23.01793 |
7.5 |
6.76416 |
|
26.0 |
23.47009 |
8.0 |
7.21519 |
|
26.5 |
23.92229 |
8.5 |
7.66623 |
|
27.0 |
24.37454 |
9.0 |
8.11730 |
|
27.5 |
24.82683 |
9.5 |
8.56838 |
|
28.0 |
25.27917 |
10.0 |
9.01948 |
|
28.5 |
25.73155 |
10.5 |
9.47060 |
|
29.0 |
26.18398 |
11.0 |
9.92174 |
|
29.5 |
26.63646 |
11.5 |
10.37290 |
|
30.0 |
27.08898 |
12.0 |
10.82409 |
|
30.5 |
27.54155 |
12.5 |
11.27530 |
|
31.0 |
27.99416 |
13.0 |
11.72654 |
|
31.5 |
28.44683 |
13.5 |
12.17780 |
|
32.0 |
28.89954 |
14.0 |
12.62909 |
|
32.5 |
29.35230 |
14.5 |
13.08040 |
|
33.0 |
29.80510 |
15.0 |
13.53175 |
|
33.5 |
30.25796 |
15.5 |
13.98312 |
|
34.0 |
30.71086 |
16.0 |
14.43453 |
|
34.5 |
31.16381 |
16.5 |
14.88596 |
|
35.0 |
31.61681 |
17.0 |
15.33743 |
|
35.5 |
32.06986 |
17.5 |
15.78893 |
|
36.0 |
32.52295 |
18.0 |
16.24046 |
|
36.5 |
32.97609 |
18.5 |
16.69203 |
|
37.0 |
33.42928 |
|
32mm
boring 470.0 mm from top of the magnet @
commutator: positive B direction: top to bottom |
Equation: I = a1*B + a3*B^3 + a5*B^5
a1=1.10888; a3=--2.0958E-6; a5= 2.20708E-10
(B in
tesla; I in kA)
B(T) |
I (kA) |
B(T) |
I (kA) |
|
0.5 |
0.55444 |
|
17.0 |
18.84098 |
1.0 |
1.10888 |
|
17.5 |
19.39453 |
1.5 |
1.66331 |
|
18.0 |
19.94803 |
2.0 |
2.21774 |
|
18.5 |
20.50149 |
2.5 |
2.77217 |
|
19.0 |
21.05489 |
3.0 |
3.32658 |
|
19.5 |
21.60824 |
3.5 |
3.88099 |
|
20.0 |
22.16154 |
4.0 |
4.43539 |
|
20.5 |
22.71478 |
4.5 |
4.98977 |
|
21.0 |
23.26797 |
5.0 |
5.54414 |
|
21.5 |
23.82111 |
5.5 |
6.09849 |
|
22.0 |
24.37418 |
6.0 |
6.65283 |
|
22.5 |
24.92720 |
6.5 |
7.20715 |
|
23.0 |
25.48016 |
7.0 |
7.76144 |
|
23.5 |
26.03306 |
7.5 |
8.31572 |
|
24.0 |
26.58591 |
8.0 |
8.86997 |
|
24.5 |
27.13869 |
8.5 |
9.42420 |
|
25.0 |
27.69141 |
9.0 |
9.97841 |
|
25.5 |
28.24407 |
9.5 |
10.53258 |
|
26.0 |
28.79667 |
10.0 |
11.08673 |
|
26.5 |
29.34920 |
10.5 |
11.64084 |
|
27.0 |
29.90168 |
11.0 |
12.19493 |
|
27.5 |
30.45409 |
11.5 |
12.74898 |
|
28.0 |
31.00643 |
12.0 |
13.30299 |
|
28.5 |
31.55871 |
12.5 |
13.85697 |
|
29.0 |
32.11093 |
13.0 |
14.41092 |
|
29.5 |
32.66309 |
13.5 |
14.96482 |
|
30.0 |
33.21518 |
14.0 |
15.51869 |
|
30.5 |
33.76720 |
14.5 |
16.07251 |
|
31.0 |
34.31916 |
15.0 |
16.62629 |
|
31.5 |
34.87106 |
15.5 |
17.18003 |
|
32.0 |
35.42289 |
16.0 |
17.73373 |
|
32.5 |
35.97466 |
16.5 |
18.28738 |
|
33.0 |
36.52636 |
Profile measurement at I
magnet= 18kA
Field center: 470mm; Field maximum: 16.18602T
Equation
y=a0+a2*(x-c)^2+a4*(x-c)^4+a6*(x-c)^6+a8*(x-c)^8
c=469.99958; a0=16.18602
a2=-5.08586E-4;a4=-2.63594E-7;a6=4.20246E-11;a8=-1.8376E-15
Position (mm) |
|
B (T) at Imag=18kA |
368.06 |
|
8.18938 |
373.06 |
|
8.68089 |
377.78 |
|
9.03370 |
382.63 |
|
9.46503 |
387.39 |
|
9.81263 |
392.37 |
|
10.23313 |
397.51 |
|
10.75827 |
402.94 |
|
11.59260 |
407.98 |
|
12.30403 |
413.04 |
|
13.16067 |
418.00 |
|
13.81943 |
422.82 |
|
14.27247 |
427.65 |
|
14.60826 |
432.41 |
|
14.91819 |
437.53 |
|
15.24345 |
443.08 |
|
15.61099 |
448.10 |
|
15.83937 |
453.10 |
|
16.04331 |
458.17 |
|
16.15880 |
463.04 |
|
16.21403 |
467.67 |
|
16.23580 |
472.47 |
|
16.23919 |
477.55 |
|
16.21373 |
483.08 |
|
16.12072 |
488.10 |
|
15.99129 |
493.06 |
|
15.76970 |
498.19 |
|
15.50958 |
503.00 |
|
15.25235 |
507.69 |
|
15.02598 |
512.37 |
|
14.73809 |
517.41 |
|
14.29860 |
523.00 |
|
13.59637 |
528.06 |
|
12.90402 |
533.00 |
|
12.08225 |
538.04 |
|
11.35554 |
542.86 |
|
10.78936 |
547.61 |
|
10.39074 |
552.24 |
|
9.97018 |
557.31 |
|
9.51706 |
562.88 |
|
8.92883 |
567.94 |
|
8.51478 |