Table 1.

Magnet specifications (magnet dimensions, magnetization directions, magnetic flux densities, rotational frequency) and the maximum induced B- and E-field strength for Models A–J.

Model	Dimensions (cm)	Magnetization Direction	Br (T)	Rotational Frequency (rps)	Maximum $\left|\mathbf{B}\right|$ (mT)	Maximum $\left|\mathbf{E}\right|$ (V/m)
A	$\mathrm{Cylinder}\times 1$ $\mathrm{od}=0.635$ $\mathrm{h}=0.9525$	Axial	1.48	350	94.1	0.52
B	$\mathrm{Ring}\times 1$ $\mathrm{od}=2.54$ $\mathrm{id}=0.635$ $\mathrm{h}=2.54$	Diametrical	1.32	10	334.8	0.098
C	$\mathrm{Cylinder}\times 1$ 2 segments $\mathrm{od}=3$, $\mathrm{h}=6$	Diametrical, multipole	1.48	10	462.8	0.13
D	$\mathrm{Cylinder}\times 1$ 2 segments $\mathrm{od}=3$, $\mathrm{h}=3$	Diametrical, multipole	1.48	10	209.8	0.13
E	$\mathrm{Cylinder}\times 1$ 2 segments $\mathrm{od}=3$, $\mathrm{h}=3$	Axial, multipole	1.48	10	134.1	0.025
F	$\mathrm{Cylinder}\times 1$ 4 segments $\mathrm{od}=5$, $\mathrm{h}=1$	Axial, multipole	1.48	10	2	0.13
G	$\mathrm{Cylinder}\times 1$ 4 segments $\mathrm{od}=3$, $\mathrm{h}=3$	Radial, multipole	1.48	10	353.7	0.23
H	$\mathrm{Cylinder}\times 1$ 8 segments $\mathrm{od}=3$, $\mathrm{h}=6$	Radial, multipole	1.48	10	350.6	0.14
I	$\mathrm{Ring}\times 3$ $\mathrm{od}=2.54$ $\mathrm{id}=0.635$ $\mathrm{h}=2.54$	Diametrical	1.32	10	354.7	0.11
J	$\mathrm{Cylinder}\times 1224$ $\mathrm{od}=0.3175$ $\mathrm{h}=2.54$ $\mathrm{Array}\mathrm{id}=30$ 12 layers $\mathrm{s}=1.905$	Axial	1.48	13.3	2.5	0.0092

od: outer diameter; id: inner diameter; h: height; s: layer separation.