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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 >Mathematical modelling of sand dissolution in a glass melting channel with controlled glass flow
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Mathematical modelling of sand dissolution in a glass melting channel with controlled glass flow

机译：控制玻璃流量的玻璃融化通道中沙粒溶解的数学模型

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This work presents the results of a mathematical modelling of sand dissolution in a horizontal glass-melting channel with circulation flows when varying the length of the channel and the time needed for the dissolution of the sand particles. The recently found optimal combination of intensive transversal circulations with forward flow, slowed down by a positive longitudinal temperature gradient near the glass level, has been set in the melting channel. The results of the modelling were projected into the values of the space utilisation for the sand-dissolution process. The high values of space utilisation were repeatedly attained under these conditions in a broad interval of channel lengths and sand-dissolution times. Both the growing length of the channel and the growing sand-dissolution time increased the ratio of the transversal to longitudinal temperature gradient necessary for attaining the maximum space utilisation. The pull rate of the channel grew linearly with the growing ratio of the channel length to the sand-dissolution time. The results provide a theoretical base for the design of glass-melting segments with controlled glass flow, characterised by lower energy consumption and higher melting performance.
机译：当改变通道的长度和溶解沙粒所需的时间时，这项工作提出了具有循环流动的水平玻璃熔融通道中沙粒溶解数学模型的结果。最近发现，在熔炼通道中设定了强烈的横向循环与正向流动的最佳组合，并由于玻璃液面附近的正纵向温度梯度而减慢了速度。建模结果被投影到溶沙过程的空间利用价值中。在这些条件下，在很长的通道长度和溶沙时间间隔内，反复获得了较高的空间利用率。通道长度的增加和砂粒溶解时间的增加都增加了获得最大空间利用量所需的横向温度与纵向温度梯度之比。河道的牵引速率随河道长度与溶沙时间的比值线性增长。结果为玻璃流量可控的玻璃熔炼段的设计提供了理论依据，其特点是能耗低，熔融性能高。

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