任意卷吸速度矢量点接触摩擦系数简化计算方法
曹伟,蒲伟,万一品,王迪,刘存波

Simplified calculation method for friction coefficient in point contact with arbitrary entrainment vector
Wei CAO,Wei PU,Yi-pin WAN,Di WANG,Cun-bo LIU
图 3 入口区压力梯度近似计算
Fig.3 Approximation calculation of pressure gradient at inlet