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Melt Flow Characterization in Continuous Casting Tundishes

机译:连续铸造槽中的熔体流动特性

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摘要

Melt flow in continuous casting tundishes is normally characterized by a combined model. The model is used to analyze the residence time distribution of fluid in a tundish. In this model, the fluid volume in tundish is considered to be consisting of the plug flow, well-mixed flow, and dead volumes. Although this model was proposed over 20 years ago, most researchers have either used it incorrectly or made an assumption in analyzing melt flow in tundishes. Both approaches may lead to incorrect and misleading calculations of the dead volume. In this paper, the combined model has been discussed and its correct application to tundish melt flow has been outlined.
机译:连铸隧道中的熔体流动通常以组合模型为特征。该模型用于分析中间包中流体的停留时间分布。在该模型中,中间包中的流体量被认为由活塞流,混合均匀的流和死体积组成。尽管此模型是在20多年前提出的,但大多数研究人员要么错误地使用了该模型,要么在分析隧道中的熔体流动时做出了假设。两种方法都可能导致死体积的错误计算和误导性计算。本文讨论了组合模型,并概述了其在中间包熔体流动中的正确应用。

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