分析了偏心距和旋转对于二次流以及轴向速度分布的影响，同时给出了平均摩擦系数和壁面摩擦力的分布。
Effects of eccentricity and rotation on the secondary flow and maximal axial velocity were analyzed, and the average friction factors and the wall friction distributions were also presented.
研究结果表明：静子和转子壁面粗糙度对大间隙环流中偏心转子动特性系数有较大影响。
The effects of stator and rotor wall roughness on the dynamic coefficients of the eccentric rotor in large gap annular flow have been investigated with numerical method.
研究结果表明，第一级星轮及其所在轴轴承偏心误差对系统载荷不均匀系数的影响最大；
The results show that the run-out errors of the first stage planet gear and its bearing have the most significant effect on the load sharing coefficient.
水平井产能预测公式除了要考虑储层各向异性和井眼偏心距的影响因素外，还要考虑钻井和完井过程中产生的表皮系数的影响。
Horizontal well production forecasting formulas need to consider not only anisotropism and borehole eccentricity, but also the skin factor during drilling and completion process.
水平井产能预测公式除了要考虑储层各向异性和井眼偏心距的影响因素外，还要考虑钻井和完井过程中产生的表皮系数的影响。
Horizontal well production forecasting formulas need to consider not only anisotropism and borehole eccentricity, but also the skin factor during drilling and completion process.
应用推荐