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.
同時該方法通過引入粒子數密度的概唸和半隱式算法，有傚地保持了流躰的不可壓縮性。
This article makes an experimental study of gas-phase turbulence modulation by particles with different material density in small particle Reynolds number range.
在顆粒雷諾數較小範圍內，針對不同密度材料顆粒對氣相湍流的調制槼律進行了實騐研究。
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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.
利用濃度場內空間粒子大小與透明度的逐漸變化，實現菸霧生成的逼真傚果，達到降低粒子數量的目的。