sauter mean diameter meaning in English

沙得平均直径

The numerical simulation is carried out and the sauter mean diameter and the axial and radial size distribution of droplet of round jets and annular jets were obtained . numerical results are in good agreement with experimental data
针对hy911圆柱形射流和环形射流，计算出雾化液滴sauter平均直径以及轴向和径向液滴尺寸分布，计算结果与实验数据吻合较好。
A " saddle " shape appears in the curve of relationship between smd ( sauter mean diameter ) and charging voltage , the droplets " size distribution fluctuates with the change of charging voltage . the influence of electric field on flow field is apparent . the distribution of velocity and turbulent energy , structure and size of vortex appear different changes with the increase of voltage of charging
索太尔粒径随电压的变化曲线中出现“马鞍”现象，粒径的分布情况随电压的升高出现波动性变化；电场对流场的作用明显，速度与湍能的分布及涡的结构等流场特性随电场的改变均有不同规律的变化。