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Interaction between Argon Gas Bubbles and Solidified Shell

机译：氩气气泡与凝固壳之间的相互作用

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In order to investigate the interaction between gas bubbles and solidified shell, in-situ observations using transparent substance have been made. The movement of argon gas bubbles has been observed and recorded by a VTR. The effect of diameter of gas bubbles, the angle of a copper plate and solid/liquid inter-facial morphology on the entrapment of gas bubbles have been characterized. The entrapment of bubbles increases with decreasing the diameter of gas bubbles and with increasing the angle of the copper plate. Furthermore, it is found that the entrapment of gas bubbles increases with increasing the roughness of the solid/liquid interface. A physical model has been developed taking the force balance affecting a bubble into account. Using this model, the results of the present experiment have been consistently interpreted.
机译：为了研究气泡与凝固壳之间的相互作用，已经使用透明物质进行了现场观察。 VTR已经观察到并记录了氩气气泡的运动。表征了气泡直径，铜板角度和固/液界面形态对气泡截留的影响。气泡的夹带随着气泡直径的减小和铜板角度的增加而增加。此外，发现随着固体/液体界面的粗糙度增加，气泡的捕获增加。已经开发了一种物理模型，其中考虑了影响气泡的力平衡。使用该模型，本实验的结果得到了一致的解释。

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