|
8.24.2.2 Test Method—If the magnet is imbedded/attached
8 E1 ^; k z" u2 m7 K' bas part of a magnetic component, extract the magnet from the% _- Y. R4 v7 O: O! `
component. If the pole surface of the magnet is flat, calculate
* b& m# h# m. Z% H* j/ @- E4 `the area using the appropriate geometric formula. If the pole is
% V6 ~9 B$ _& X. t0 `not flat (for example, hemispherical), the pole surface area is/ O( Q2 ` d7 S& @7 f3 v; N& @
the maximum cross section of the magnet perpendicular to an
+ {8 m! ?: z; L1 E2 ~! Laxis through the magnet poles (see Fig. 37).
- q* E8 v8 L( C7 u9 `# m
6 Z/ [+ v, H, [/ HNOTE 10—On multi-pole magnets use the area of the largest single
4 l# v. ~; Y$ t3 L% cpole, which can be determined using magnetic field viewing film or' _/ I) v X; O# H; X
2 I; e' [9 J3 ?+ T( l7 q* ]
好好看看上面的这个note是怎么说的!
; g+ C8 K H1 G, W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。/ y3 K% T# ]6 g+ j" j
equivalent. |
|