颗粒平均速度 meaning in Chinese

mean grain velocity

The quantitative relational expression is obtained about the coefficient of additional pressure loss and the froude number by experiment , and the relation is made clear between the average speed of waste plastics particles and the pressure loss of per unit length
由实验得出废塑料输送管内气力输送附加压力损失系数与弗劳德准数的定量关系式，废塑料颗粒平均速度与单位管长压力损失的关系。
The influences of the inlet tube angle , backpressure and driving jet velocity on static pressure distribution in the gas - solid injector are calculated , and the effects of the inlet tube angle on particle bulk phase concentration and axial mean speed of particles in the gas - solid injector are analyzed firstly . the predicament caused by lack of measuring means on the particle velocity in experiments is solved
分析了收缩角、背压和气体喷嘴出口速度对气固喷射器内静压分布的影响，以及收缩角对气固喷射器内固体颗粒体积浓度场和颗粒平均速度的影响，解决了喷射器内固体颗粒速度试验测试手段缺乏的困境。