To study RH vacuum refining process, a new mathematical model of circulation flow rate to describe the circulation flow of molten steel in RH vacuum refining degasser was developed.

本文以RH真空精炼装置为研究对象，建立了描述RH真空精炼装置内钢液循环流动环流量的数学模型。

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By analyzing the process of RH vacuum degassing, the physical and mathematical models that are suitable for simulating the refining process have been developed.

对RH真空脱气过程进行解析，建立了适合于RH真空脱气过程的物理模型及数学模型。

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