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首页> 外文期刊>NIPPON STEEL TECHNICAL REPORT >Development and Application of Simulator for Analyzing Molten Steel Flow and Inclusion Behavior in Continuous Casters
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Development and Application of Simulator for Analyzing Molten Steel Flow and Inclusion Behavior in Continuous Casters

机译：连铸机钢水流动和夹杂行为分析模拟器的开发与应用

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摘要

Using a large eddy simulation (LES) turbulence model and the finite difference method in the three-dimensional curvilinear coordinate system, a numerical simulator was developed for analyzing the flow of molten steel in the continuous caster in the continuous casting process, the behavior of inclusions in the molten steel, and the accumulation behavior of the inclusions in the slab being cast. To verify the simulator's fluid flow computational accuracy, the results produced by the simulator were compared with the results of water and, mercury model experiments. The numerical simulator was confirmed to be able to provide practically accurate predictions for not only time-averaged flow velocity, but also for turbulent fluctuation behavior. The behavior of inclusions under various continuous caster operating conditions (such as the caster profile, electromagnetic braking, and electromagnetic stirring) was analyzed by the simulator, and the main mechanisms governing the behavior of inclusions were studied.
机译：利用大型涡模拟（LES）湍流模型和三维曲线坐标系中的有限差分法，开发了一种数值仿真器，用于分析连铸过程中连铸机中钢水的流动，​​夹杂物的行为在钢水中，以及夹杂物在铸坯中的聚集行为。为了验证模拟器的流体流量计算精度，将模拟器产生的结果与水和汞模型实验的结果进行了比较。事实证明，该数值模拟器不仅可以提供时均流速的实用预测，还可以提供湍流波动的实用预测。通过模拟器分析了夹杂物在各种连续铸造工况下的行为（如连铸机轮廓，电磁制动和电磁搅拌），并研究了控制夹杂物行为的主要机理。

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