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首页> 外文期刊>European Journal of Mechanical and Environmental Engineering >Computer Simulation of Mould Filling for Horizontal Castings and Its Experimental Validation
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Computer Simulation of Mould Filling for Horizontal Castings and Its Experimental Validation

机译：水平铸件充型的计算机模拟及其实验验证

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摘要

The literature concerning mould filling is reviewed. The research previously carried out by the present authors for vertical plate castings is summarized. Experimental test data on mould filling are compared with simulations based on a three-dimensional computer code which has been developed at WTCM Foundry Centre. This program allows to calculate the metal flow, the location of the free surface and the heat transport during mould filling and solidification. The flow behaviour in 4 mm thick horizontal plate castings with or without a filter has been studied. When a filter is placed in the gating system, impurities are removed from the liquid metal and laminar flow conditions are created in the downstream filter. Both phenomena influence the filling pattern in the horizontal plate casting. The effect of the filter on mould filling can be simulated by applying the Darcy equation and by modifying the viscosity values of the liquid metal downstream and upstream with respect to the filter position. The average experimental mould filling sequence can be used for validating the computer code.
机译：评论有关模具填充。总结了以前由作者进行的垂直板铸件的研究。 WTCM铸造中心开发了基于三维计算机代码的模具填充实验测试数据与模拟结果进行比较。该程序可以计算模具填充和凝固过程中的金属流量，自由表面的位置以及热传递。研究了在有或没有过滤器的情况下，在4毫米厚的水平平板铸件中的流动行为。当将过滤器放置在浇口系统中时，杂质会从液态金属中去除，并在下游过滤器中产生层流状态。两种现象都会影响水平板铸件的填充方式。过滤器对模具填充的影响可以通过应用Darcy方程并通过修改相对于过滤器位置的上游和下游液态金属的粘度值来模拟。平均实验模具填充顺序可用于验证计算机代码。

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