渣-金界面气泡夹带行为数值物理模拟

周小宾, 赵占山, 汪万行, 徐建国, 岳强

Physical and Mathematical Simulation on the Bubble Entrainment Behavior at Slag-Metal Interface

ZHOU Xiaobin, ZHAO Zhanshan, WANG Wanxing, XU Jianguo, YUE Qiang

表2 数值模拟物性参数[27]

Table 2 Physical parameters of the fluids for numerical simulations[27]

Parameter Value Unit Molten steel density 6080 kg·m-3 Molten steel viscosity 0.0062 Pa·s Molten steel density surface tension 1.7 N·m-1 Bubble density 1.62 kg·m-3 Bubble viscosity 2.125 × 10-5 Pa·s Bubble diameter 10, 12, 14, 16 mm Slag density 2000, 3000, 4000, 5000 kg·m-3 Slag viscosity 0.05, 0.5, 1, 2 Pa·s Slag-metal interfacial tension 0.65, 0.8, 0.95, 1.1 N·m-1