酸溶法传像束单丝成纤过程流体动力学分析
Huadong Ligong Daxue Xuebao /Journal of East China University of Science and Technology(2010)
Abstract
酸溶法是制造柔性光纤传像束的先进工艺,而三坩埚法拉制3层同轴单丝是酸溶法工艺中的关键技术.为了保证三坩埚法成纤时芯料、皮料和酸溶玻璃的物料平衡,首先设计了柔性光纤传像束的单丝直径和断面结构,测定了芯料、皮料和酸溶玻璃的黏度一温度曲线以及密度,并采用流体动力学的方法分析了玻璃在坩埚内的流动状态,最终根据流量平衡的原理提出了三坩埚设计参数的计算方法.该计算方法根据误差分析对计算参数进行调整后取得了良好的效果.
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Key words
Acid soluble method,Flexible image bundles,Fluid dynamic,Triple-crucible
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