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首页> 外文期刊>Journal of Crystal Growth >Thermal and solute Marangoni convection in In-G-Sb system
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Thermal and solute Marangoni convection in In-G-Sb system

机译：In-G-Sb系统中的热和溶质Marangoni对流

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摘要

In order to clarify the velocity feature of surface-tension-driven-flow caused by temperature differences (thermal Marangoni convection) and concentration differences (solution Marangoni Confucian), the rectangular double-crucible system was developed. Measurements of surface velocities of thermal and solute Marangoni convection in In-Ga-Sb melt were performed using the system. For sultan Marangoni convection, we solved the model in which the additional material spreads on the initial material, using a similarity parameter and a dimensionless stream function. As a result, the analytical result was in agreement with the experimental one. Moreover, we found that the typical surface velocity of solute Marangoni convection is about 3-5 times higher than that of thermal Marangoni convection, and the results of both thermal and solutal covnection could be discussed using diemnsionless Reynols (Re), Marangoni (Ma) and Prandtl (Pr) numbers. The relationship between the difference in surface tension and the surface velcoty is that Re is proportional to Ma Pr~-1/2 to the power of 2/3.
机译：为了阐明由温度差（热Marangoni对流）和浓度差（Marangoni孔子溶液）引起的表面张力驱动流的速度特征，开发了矩形双坩埚系统。使用该系统对In-Ga-Sb熔体中热和溶质Marangoni对流的表面速度进行了测量。对于苏丹马兰戈尼对流，我们使用相似性参数和无量纲流函数求解了其中附加物质在初始物质上扩散的模型。结果，分析结果与实验结果一致。此外，我们发现溶质Marangoni对流的典型表面速度比热Marangoni对流的表面速度高约3-5倍，并且热和对流对流的结果都可以用无偏心的Reynols（Re），Marangoni（Ma）讨论。和Prandtl（Pr）号。表面张力差和表面粘稠度之间的关系是，Re与Ma Pr〜-1 / 2成正比于2/3。

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