Demagnetization factors of ringcores
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(0) (0 Votes)Views: (2004) Date: (Publication Date: Nov 1999) Pages: () -
Author: Clarke D.B. Maritime Oper. Div. Aeronaut. & Mater. Res. Lab. Melbourne Vic.;
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Abstract: Abstract The expression for the demagnetization of ringcores has evolved from the equation for the magnetic field inside simple-shaped objects whose magnetization is uniform. A modified expression that allows for the angular distribution of the magnetic field in the ringcore is developed from calculations for a infinite length tube. The modified expression is shown to provide a good fit to measured data. This modified equation is important when the product of the relative permeability and the demagnetization constant has a value around one or less
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