减阻剂 meaning in Chinese
anti-friction agent , drag reducer
drag-reduction agent
flow improver
friction reducing agent
friction-reducing additive
Examples
- Evaluation procedure for oilwell cement friction reducers
油井水泥减阻剂评价方法 - Lab test method for the drag reduction performance of drag - reducing agent which applied in oil pipeline transportation
输油管道减阻剂减阻效果室内测定方法 - The construction proposal recommended by this research project suggests a gradual increase in installation of boosting pump and tank , in conjunction with the use of dra as an expedient be utilized to accomplish the ever increasing throughput
课题研究所提出的管道建设方案，主张以不断增设增压站、储罐、输送工艺中采用添加减阻剂的方式，来满足输送量日益增多的需要。 - Based on prandtl ' s momentum transportation , this paper calculates in detail the physical quantities such as eddy viscosities , and ratio of eddy viscosity to motion viscosity , total stresses with respect to relative position in three regions of viscous sub - layer , buffer layer , and main turbulent stream for non - newtonian fluid flowing turbulently in ducts , which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus , discusses the influence of polymer drag reduction on flowing properties of non - newton fluid , analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate
摘要以普兰德动量传递理论为基础，按照卡门的三层模型，通过室内模拟环道用0号柴油及加入减阻剂在圆管内的流动参数的测定，计算了非牛顿型流体管内湍流边界层的层流内层、过渡层、湍流中心的涡流粘度，涡流粘度与运动粘度比、总应力随相对位置的变化等定量参数，探讨了高分子减阻剂对非牛顿流体流动特性的影响，对湍流减阻现象的机理与增大减阻率的条件进行了定量分析。