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1)  initiation of particle motion
颗粒起动
1.
In the paper,the initiation of particle motion affected by particle diameters is analyzed through theoretical calculation combined with above mentioned problems.
地下水源热泵运行时地下水渗流引起颗粒起动是造成井壁坍塌和井壁周围颗粒重组等实际问题的重要原因之一。
2)  eminentia granularis
颗粒隆起
3)  particle flow
颗粒流动
1.
Study on limiting concentration of non-uniform particle flow;
不均匀高浓度颗粒流动的极限浓度研究
2.
Experimental investigations on pulsant behaviors of particle flow were carried out on a two-dimensional spouted bed using PIV.
床体的颗粒流动表现出整体的喷动周期性,属于不连贯喷动流型。
3.
At same times,the influence of inner accessories to particle flow was researched.
本文通过对活性焦在矩形移动床中流动特性的试验 研究,确定了要满足活性焦颗粒在床层内为整体流其下料斗的倾角大小,以及颗粒在下料斗上部为平推流的临界高度,并研究了内构件对移动 床内颗粒流动的影响,为合理设计和有效利用床层提供指导。
4)  Particle motion
颗粒运动
1.
Numerical study on the effect of vortices upon particle motion in unsteady and unstable liquid-particle two-phase flows;
非定常不稳定液固两相流动中旋涡对颗粒运动影响的数值研究
2.
Study on nonlinear characteristic of particle motion during the process of coal screening
筛分过程中颗粒运动的非线性特性研究
3.
The discrete element method(DEM) code is incorporated into the commercial computational fluid dynamics(CFD) software package FLUENT with user define functions(UDF),then the particle motion is numerically simulated in the large curvature rotating under the condition of pneumatic conveying.
利用这一方法研究了大曲率弯管内的气力输送过程中颗粒运动过程。
5)  particle moving
颗粒移动
6)  particles fluctuation
颗粒脉动
补充资料:颗粒
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性质:指小而圆的物质。最简单的颗粒形状是圆球。粒径在40~500μm范围内,气固密度差在1400~4000kg/m3之间的颗粒称粗颗粒(coarse particle);粒径在20~100μm范围内,气固密度差小于1400kg/m3的颗粒称细颗粒(fime particle);由许多个粒度间隔不大的粒级颗粒构成的颗粒系统称颗粒群(particle swarm)。

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