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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >The optimal parameters of bubble centrifuging in glass melts
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The optimal parameters of bubble centrifuging in glass melts

机译：玻璃熔体中气泡离心的最佳参数

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摘要

The mathematical model of a multicomponent bubble in a glass melt under the influence of gravitational and centrifugal fields has been applied in the model TV glass. The optimal fining conditions have been examined in a rotating cylinder with the aim of determining their general features. All of the dependences between the bubble-removal time and the rotational velocity showed the region of bubble removal by centrifuging at low cylinder rotational velocities and the region of complete bubble dissolution when the rotation was intensive. The low rotational velocities, characterised by the minimal bubble-centrifuging time, appeared to be suitable for industrial application. Consequently, the influence of temperature, pressure and glass-layer thickness on the value of the optimal rotational velocity and optimal fining time of small-critical bubbles has been investigated in detail in a glass melt containing fining agent. The significant role of temperature and minor role of pressure have been proved and the identical features of bubble removal have been identified in cylinders with different radii and filling by glass but with the same average thickness of the glass layer on the cylinder walls.
机译：在电视玻璃模型中已应用了在重力和离心力场影响下玻璃熔体中多组分气泡的数学模型。为了确定其一般特征，已经在旋转圆筒中检查了最佳磨浆条件。气泡去除时间与旋转速度之间的所有相关性均显示了在低圆柱体旋转速度下通过离心去除气泡的区域以及在强烈旋转时气泡完全溶解的区域。以最小的气泡离心时间为特征的低旋转速度似乎适合工业应用。因此，在含有澄清剂的玻璃熔液中，详细研究了温度，压力和玻璃层厚度对小临界气泡的最佳旋转速度和最佳澄清时间的值的影响。已经证明了温度的重要作用和较小的压力作用，并且在具有不同半径和玻璃填充量但在汽缸壁上玻璃层的平均厚度相同的汽缸中，已经确定了除气泡的相同特征。

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