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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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摘要

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：使用熔融氯化物和锡系统，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量，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，由模式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通过金属柱的分解而产生金属乳液。在Sn-Te系统中，即使在最高气体流量下，除了通过模式B形成的液滴之外，还观察到了通过模式A形成的液滴，其中，由于金属膜的破裂而形成的金属液滴。 （3）在Sn系统中，在模式B中产生的气泡的尺寸大于在模式A中产生的气泡的尺寸。在Sn-Te系统中，气泡的尺寸通常小于在Sn系统中的气泡的尺寸。 （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中的气泡破裂也会比模式A中产生更多的液滴。

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  • 来源
    《ISIJ international》 |2016年第11期|1902-1909|共8页
  • 作者

    Hironori YOSHIDA; Jiang LIU; Sun-Joong KIM; Xu GAO; Shigeru UEDA; Shin-ya KITAMURA;

  • 作者单位

    Graduate School of Engineering, Tohoku University JFE Steel, 1, Kokan-cho, Fukuyama, 721-8510 Japan;

    Graduate School of Engineering, Tohoku University, 2-1-1 Katahira, Aoba ku, Sendai, 980-8577 Japan;

    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University Department of Materials and Science, College of Engineering, Chosun University, 309, Pilmun-daero, Dong-gu, Gwangju, 61452 Korea;

    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba ku, Sendai, 980-8577 Japan;

    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba ku, Sendai, 980-8577 Japan;

    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba ku, Sendai, 980-8577 Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    emulsion; metal droplet; interfacial tension; bubble size; chloride; Sn;

    机译：乳液金属滴界面张力;气泡大小;氯化物;锡;

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