| 1. | Experiments in pneumatic conveying show that there exists a maximum particle concentration .
气力输送实验表明，这里存着一个最大的颗粒浓度。 |
| 2. | Measurement and analyses of particle concentration distribution in pdc type of cyclone tube used in fcc unit
型旋风管内颗粒浓度场的测试及分析 |
| 3. | The particle collision frequencies and granular temperature as a function of particle concentration were obtained
得到了颗粒碰撞频率和颗粒温度随颗粒浓度的变化规律。 |
| 4. | This approach has been tested on the cfbs and the formation and motion of the bubbles can be tracked clearly in 3d
比较了实验测量得到的三维颗粒浓度分布与计算得到的浓度分布。 |
| 5. | Workplace atmospheres - assessment of performance of instruments for measurement of airborne particle concentrations ; german version en 13205 : 2001
工作场所空气.气载颗粒浓度测量仪器性能评定 |
| 6. | The instantaneous particle positions and velocities , and the concentration of particles located in the cell as a function of time were analyzed
分析了瞬时单颗粒的速度、位置以及颗粒所在网格的颗粒浓度随时间的变化规律。 |
| 7. | The solids holdup is lower in the center than in the wall region at the radial positions , and the solids holdup is higher in the lower section than in the upper section of the riser
在径向分布上，颗粒浓度呈现中心稀，边壁浓的状态。在轴向上，颗粒浓度呈现上稀下浓的分布。 |
| 8. | The radial distribution function was introduced in order to take into account the effect of the uneven local particle concentration on the particle collision probability
推导了高颗粒浓度气固两相流颗粒间碰撞概率的计算公式,引入径向分布函数来考虑局部颗粒浓度不均匀性对颗粒碰撞概率的影响。 |
| 9. | The saffman force does not affect the axial velocity of the flow , while it change the concentration of the particle . the gas - particle two - phase flows in the present of temperature were also numerical simulation
讨论了绝热、有温差和添加热泳力三种情况下的两相流场，分析了温度梯度、湍动能、轴向速度和颗粒浓度的变化。 |
| 10. | A formula is proposed for calculating the sand content of different size in the case of matching particle size of sand , thus obtaining the correlation between ultrasonic attenuation and density of solid particles in the pulp , as well as particle size
提出了在矿砂粒径尺寸级配情况下的不同粒径时的矿砂含量的公式，并由此得到了超声波衰减与矿浆中固体颗粒浓度、粒度之间的关系。 |
