Formulas for the flow rate, the static eccentricity, the static oil film stiffness and the dynamic magnification factor are given.
文中给出了流量、静态偏心率、静态油膜刚度和动力放大系数的公式。
2
The result shows that compared with slenderness ratio of bearing and the eccentricity of rotor, the journal clearance is the main factor influencing the trajectory and domain characteristics.
数值结果表明，同轴承长径比及转子质量偏心相比，轴颈间隙是影响系统轴心轨迹和频域特性的主要因素。
3
Horizontal well production forecasting formulas need to consider not only anisotropism and borehole eccentricity, but also the skin factor during drilling and completion process.