Eddy current distributions in cylindrical samples: effect on equivalent sample resistance (medical NMR application)

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Abstract
Presents a general technique for the determination of eddy current distributions within an irregularly shaped conducting sample in the uniform field of an NMR RF coil. Also presented is a general expression for the sample-induced coil resistance. The technique is applied specifically to a conducting cylindrical solid. Unlike previous descriptions of cylindrical samples in solenoidal coils where the induction is parallel to the axis of the cylinder and eddy current streamlines are circular, the author treats the case where the induction is perpendicular to the cylindrical axis and where consequently eddy current streamlines take on an irregular shape.
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