ABSTRACT
Figure4.1AcyclicelectromagneticHGMSunit.(FromRef.74. ©1976IEEE.)
schematicallyinFig.4.1[74].Theelectromagnetstructureconsists
ofenergizingcoilsandasurroundingironenclosure.Thecoilsin
turnencloseacylindricalworkingvolumepackedwithfinestrands
ofstronglyferromagneticmaterialssuchasferriticstainlesssteel
wools.Withthisdesign,astrongfieldintensityoftypically20
kilo-Oersted(kOe)or1.591millionamperepermeter(MA/m)canbe
generatedanddistributeduniformlythroughouttheworkingvolume.
