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8.24.2.2 Test Method—If the magnet is imbedded/attached
) n7 f1 ~7 @% X% M0 Sas part of a magnetic component, extract the magnet from the
/ } f# C$ ~2 n* ^( E* k8 p# b1 kcomponent. If the pole surface of the magnet is flat, calculate
& P2 D# k& K) X! [) P5 o2 nthe area using the appropriate geometric formula. If the pole is5 u5 ?( P; a. c1 s: X
not flat (for example, hemispherical), the pole surface area is
: L; Y* B; |0 X/ Mthe maximum cross section of the magnet perpendicular to an1 j. V/ Q1 ]- z; {- |* C& q4 l
axis through the magnet poles (see Fig. 37).$ b( e$ J- ]) |
( {6 \$ q- F1 d6 S$ XNOTE 10—On multi-pole magnets use the area of the largest single
7 r/ P# t9 r$ Q) ^5 B3 tpole, which can be determined using magnetic field viewing film or
0 j# B1 n! e- G6 f, b# p7 [! Z$ a. H+ D
好好看看上面的这个note是怎么说的!
8 A* r) B/ N/ e. m3 }: G无论你的形状或磁极的方向是怎样的,都按标准做找到最大的磁极面积来计算就可以了。不是你想怎样做就怎样做的。
& N0 D @" n' x/ O cequivalent. |
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