... bubble leak tester 漏泄气泡测试器 bubble nucleation 气泡成核 bubble-pressure method 加压孔隙测定法 ...
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Recently, some experimental results show that shear flow has significant influences on bubble nucleation.
近来的一些实验研究表明，剪切流动能对气泡成核产生显著的影响。
参考来源 - 泡沫塑料动态成核机理的研究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
研究结果表明：气泡成核数越大，物理发泡剂的含量越高，泡孔半径越小；
The results show that the more enhancing the bubble nucleation and the larger the amount of the foaming agent, the smaller the bubble cell size.
前人对泡沫塑料气泡成核过程的研究基本上都是以经典成核理论为基础进行的。
In the foam process of cellular plastics, bubble nucleation has decisive effect on cell density and cell distribution, so it is the crucial factor to control the foam quality.
实验发现，提高转速可以提高熔体的剪切应力，从而提高气泡成核率，但不如施加振动效果明显。
The results showed that the imposed vibration may increase effectively the bubble nucleation rate, which was better than that via increasing rotation speed.
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