Direct observation of Marangoni convection-induced oscillation at silicon melt surface
Direct observation of Marangoni convection-induced oscillation at silicon melt surface
复制标题
直接观察硅熔体表面马兰戈尼对流引起的振荡
DOI：
10.1063/1.124164
复制
发表时间：
1999
影响因子：
4
通讯作者：
T. Hibiya
中科院分区：
文献类型：
--
作者：
K. Onuma;Masanobu Sumiji;Shin Nakamura;T. Hibiya
利用实时云纹相移干涉法直接观测了半区液柱中熔融硅表面的Marangoni对流诱导振荡。通过对熔体表面的相对位移与时间关系的数据进行傅里叶变换，分析了振荡频率。在0.5-5 Hz处观察到几个振荡频率的峰值，高于先前通过使用热电偶的温度测量和X射线流动可视化技术观察到的在0.1-0.3 Hz处的频率。
Marangoni convection-induced oscillation at the molten silicon surface of a half-zone liquid column was directly observed using real-time moire phase-shift interferometry. The oscillation frequency was analyzed by applying the Fourier transformation to the data of relative displacement versus time relationship of the melt surface. Several peaks of oscillation frequencies were observed at 0.5–5 Hz, being higher than the frequencies at 0.1–0.3 Hz observed in the previous studies by the temperature measurement using thermocouples and the x-ray flow visualization technique.