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通过数值处理和计算机模拟,得出一种排布方式的消磁线圈对坦克磁场的影响效应分布,即当消磁线圈为均匀密排情形时,线圈内部为匀强磁场,方向沿通电线圈的轴向,且与环形电流呈右手螺旋关系;线圈外部为磁偶极子场,该场会随着与线圈中心距离的增大而迅速减小。数值模拟的结果可为封闭型军事装备表层安装消磁线圈提供参考;通过分析消磁线圈附加磁场的特点为装备磁防护理论提供一些支持。
Through the numerical processing and computer simulation, we can get an effect distribution of the demagnetizing coils on the tank magnetic field. That is, when the demagnetizing coils are in a homogeneous close-packed condition, the inner part of the demagnetizing coil is a uniform magnetic field and the direction is along the axial direction , And the right-handed spiral relationship with the toroidal current; the outer magnetic coil for the dipole field, the field will be with the coil center distance increases rapidly decreases. The numerical simulation results can provide a reference for the surface-mounted demagnetizing coils in the closed military equipment. The analysis of the additional magnetic field in the degaussing coil provides some support for the equipment magnetic protection theory.