The flow status of supercritical CO2 /PS homogeneous melt in the capillary die was numerically simulated by CFD software. The effect of CO2 concentration on cell nucleation of supercritical CO2/PS homogeneous melt was studied.
通过CFD软件对超临界CO2/PS均相熔体在快速降压口模中流动状态的数值模拟,研究了CO2浓度对CO2/PS均相熔体气泡成核的影响。
参考来源 - 超临界CO·2,447,543篇论文数据，部分数据来源于NoteExpress
At present, in continuous extrusion processing of micro cellular plastics, the two pressure drop cell nucleation apparatus of the nozzle and gear pump are used.
在连续微孔挤出加工中，当今采用喷嘴和齿轮泵两种快速压降成核装置。
The influence of technological condition on cell nucleation was studied in microcellular plastics extrusion processing for supercritical CO2/PS by a finite element method CFD.
针对微孔塑料挤出的全过程，对影响气泡成核、成长及泡孔密度的诸多因素如预定型压力、熔体温度、粘度、气泡界面张力、定型卷取速度。
If the generation of the nucleation rate faster, and crystal nucleus formation, growth speed is slow, it generated more cell number, grain is fine.
如果晶核的生成速度较快，而晶核生成后的成长速度较慢，则生成的晶核数目较多，晶粒较细。
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