The typical magnetohy-drodynamic phenomena of the effect of current dispersion and the Hartmann boundary layer are analysed with some emphsis, and the flow behavier in homopolar is disscussed by using above concepts.

• 着重研究了弥散效应及哈特曼边界层这些磁流体力学的特征现象；并用这些概念去讨论单极机的内部流动现象.