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首页> 外文期刊>ISIJ international >Influence of the Interfacial Tension on the Droplet Formation by Bubble Rupture in Sn(Te) and Salt System
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Influence of the Interfacial Tension on the Droplet Formation by Bubble Rupture in Sn(Te) and Salt System

机译：Sn（Te）和盐体系中界面张力对气泡破裂形成液滴的影响

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Using a molten chloride and Sn system, in-situ observation of the bubble rupture and metal droplet formation can be carried out because the molten chloride phase is transparent. The size distribution of droplets with diameters in the range of 0.1 to 1.0 mm is measured using a high resolution camera, and the influence of the interfacial tension is discussed. The following results were obtained: (1) The addition of Te to the Sn decreased the interfacial tension and increased the number of small droplets, while the total surface area and total volume of droplets in the chloride bath decreased; (2) As the gas flow rate increased, the number of droplets in the Sn system formed by Mode B, where the metal emulsion was generated by the disintegration of the metal column, increased and large droplets were observed. In the Sn–Te system, even at the highest gas flow rate, droplets formed by Mode A, where the metal droplets formed by the rupture of the metal film, were observed in addition to those formed by Mode B; (3) In the Sn system, the size of the bubbles produced in Mode B was larger than that for Mode A. In the Sn–Te system the bubble size was generally smaller than that in the Sn system; (4) The total volume of the droplets formed by a bubble increased with increasing bubble size. In particular, the bubble rupture in Mode B generated a greater volume of droplets than in Mode A, even though the bubble size was the same.
机译：使用熔融氯化物和Sn系统，由于熔融氯化物相是透明的，因此可以进行气泡破裂和金属滴形成的现场观察。使用高分辨率相机测量直径在0.1到1.0 mm范围内的液滴的尺寸分布，并讨论界面张力的影响。得到以下结果：（1）在锡中添加Te降低了界面张力并增加了小液滴的数目，而氯化物浴中液滴的总表面积和总体积减小了; （2）随着气体流量的增加，在模式B形成的Sn系统中的液滴数目增加，并且观察到大的液滴，其中模式B通过金属柱的分解产生金属乳液。在Sn-Te系统中，即使在最高气体流速下，除模式B形成的液滴外，还观察到模式A形成的液滴，其中由金属膜破裂形成的金属液滴。 （3）在锡系统中，模式B产生的气泡尺寸大于模式A。在锡-碲系统中，气泡尺寸通常小于锡系统。 （4）由气泡形成的液滴的总体积随着气泡尺寸的增加而增加。尤其是，即使气泡大小相同，模式B中的气泡破裂也会产生比模式A中更大的液滴体积。

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