1) saltation
[英][sæl'teiʃən] [美][sæl'teʃən]
跃移
1.
At present, most of the numerical research on wind-sand saltation flow is based on the lagrangian method.
目前,风沙跃移运动的数值研究主要以拉格朗日方法为主,然而,拉格朗日方法对计算机硬件的高要求以及相对较低的运算效率不适合于求解大量颗粒的复杂碰撞运动。
2.
The results indicate that the frequency distributions of saltation trajectory heights and lengths normalized on their mean values disagree with normal distribution.
以风洞内颗粒高速摄影实验资料为基础 ,对颗粒跃移运动参数的分布及其跃移速度分布函数进行了探讨。
3.
With due consideration of the basic features of the wind-blown movement with the interface of sand drift and air being in constant variation,this paper proposes a method to determine the boundary between air and sand drift with saltation sand.
本文用散体单元法(DEM)研究风沙运动时,考虑了风沙运动中沙堆与空气交界不断变化的基本特点,给出了一种确定存在沙粒跃移的沙堆与空气边界的方法。
4) saltating particle
跃移沙粒
1.
A statistical analysis of the distribution function of the vertical lift-off speeds of saltating particles;
跃移沙粒起跳垂直速度分布函数的统计分析
5) saltating layer
跃移层
1.
Sediment concentration distribution in saltating layer near the bed of open channel flow;
明渠湍流床面附近跃移层内颗粒浓度垂线分布
6) The saltation of sand pa rticles
颗粒跃移
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