particle number density

基本解释

And at the same time introduce the concept of particle number density and the semi-implicit algorithm, effectively maintain the incompressible of the fluids.
同时该方法通过引入粒子数密度的概念和半隐式算法，有效地保持了流体的不可压缩性。
This article makes an experimental study of gas-phase turbulence modulation by particles with different material density in small particle Reynolds number range.
在颗粒雷诺数较小范围内，针对不同密度材料颗粒对气相湍流的调制规律进行了实验研究。
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It imposes gradually changing of special particle size and diaphaneity in density field, achieves realistic effect of smog, reaches the intent of reducing particle number.
利用浓度场内空间粒子大小与透明度的逐渐变化，实现烟雾生成的逼真效果，达到降低粒子数量的目的。