The measured flow friction factor was well fitted by the empirical and semi-empirical equations.
实验测得的摩擦系数结果与经验、半经验关联式有较好的吻合。
参考来源 - 水合物浆体在直管中的流动换热特性研究The simulation predicts the distribution of strain, stress and temperature in extrusion test. The deformation temperature, the forming velocity, deformation extent and friction factor on the semi-hot extrusion process has been analyzed.
利用该系统对40Cr钢和Cf53钢的亚热挤压成形过程进行了数值模拟,分析了变形温度、凸模速度、变形程度和摩擦因子对亚热挤压成形过程中的应力场、应变场分布和金属流动规律的影响,为确定合理的亚热成形工艺参数提供了科学依据。
参考来源 - 亚热控制成形过程模拟及模具磨损关键技术研究A new method is presented to calculate the friction factor for coiled capillaries, which is that Churchill equation is fitted into the form of Blasius equation and the parameters are applied into the MN type friction factor correlations.
提出了利用Churchill方程拟合成Blasius型摩擦系数方程并将其参数应用于MN型螺旋管摩擦系数关系式的新方法,模拟结果与大量的实验数据比较证明效果良好。
参考来源 - 绝热毛细管制冷剂流动特性及与系统匹配研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Because of the complexity of turbulent flow, it is a tough issue to determine its friction factor.
鉴于紊流运动的复杂性，其沿程阻力系数确定起来较为困难。
The results indicate the friction factor will be reduced with the increasing silicon adding amount.
结果表明：摩擦系数随硅助剂添加量的增加而降低；
The results show that the friction factor measured is reliable and the computation method is practical.
通过试验证明了测定的摩擦阻力系数是可信的，拟定的计算方法是实用的。
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