<正> 一、引言 研究顶吹气体射流冲击下液体流场中的流动现象对于深入认识氧气顶吹炼钢等过程十分重要,国内外学者曾在这方面做了很多工作。其中,文献相继提出了熔池液体流场中流动现象的数模,都假设射流冲击形成的凹陷面上涡量与径向坐标的比值为一常数
A new boundary condition of the vorticity on the surface of the cavity caused by an impinging gas jet has been derived. The relationship between the flow field of the liquid and the impinging jet is then established. Comparing with the previous works, the velocity distributions of the flow fields are in better agreement with the experimantal results meastared.
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