The fluid flow and transport process of non metal inclusion in tundish under bottom blowing are studied by numerical simulation and water model experiment.
采用数值模拟手段，结合水模型实验，研究了中间包底部吹气过程对中间包内流场及夹杂物传输行为的影响。
The characteristic method was used in simulating computation of non steady gas flow process in the exhaust system of model 15a petrol engine.
针对15 A型二冲程汽油机排气系统的流动过程进行了模拟计算，对计算中某些边界条件的计算方法进行了探讨。
The non-homogeneous metal flow during the extrusion forming process was well controlled by introducing a non-equilibrium parameter of metal flow, the mean-square deviation of velocity (SDV).
通过引进一个反映金属流速不均衡性的参数———流速均方差，有效地控制型材挤压成形时金属流动的不均匀性。
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