Fluxmetric (ballistic) and magnetometric demagnetizing factors N/sub f/ and N/sub m/ for cylinders as functions of susceptibility chi and the ratio gamma of length to diameter have been evaluated. Using a one-dimensional model when gamma or= chi > infinity and N/sub m/ was calculated for chi to infinity . Using a two-dimensional model when 0.01>or= gamma >or=50, an important range for magnetometer measurements, N/sub m/ and N/sub f/ were calculated for -1>or= chi > infinity . Demagnetizing factors for chi >0 are applicable to superconductors. For chi =0, suitable for weakly magnetic or saturated ferromagnetic materials, N/sub f/ and N/sub m/ were computed exactly using inductance formulas.
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机译:已经评估了磁通量(弹道)和磁力消磁因子N / sub f /和N / sub m /作为磁化率chi和长度与直径之比gamma的函数。使用一维模型,当γ<或= 10时,对-1>或= chi>无穷大计算N / sub f /,对chi到无穷大计算N / sub m /。使用二维模型,当0.01> or = gamma> or = 50时,对于-1> or = chi> infinity,计算磁力计测量的重要范围N / sub m /和N / sub f /。 chi> 0的退磁因子适用于超导体。对于chi = 0,适用于弱磁性或饱和铁磁材料,使用电感公式精确计算N / sub f /和N / sub m /。
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