基于恒过热控制的感应加热中间包内钢水的流动与传热
唐海燕, 李小松, 张硕, 张家泉

Fluid Flow and Heat Transfer in a Tundish with Channel Induction Heating for Sequence Casting with a Constant Superheat Control
TANG Haiyan, LI Xiaosong, ZHANG Shuo, ZHANG Jiaquan
表2 材料参数和边界条件[14,17,23]
Table 2 Material parameters and boundary conditions for numerical simulation[14,17,23]
ItemValueUnit
Induction coil frequency50Hz
Iron core relative permeability1000
Coil electric conductivity3.18×107S·m-1
Coil relative permeability1
Air relative permeability1
Conductivity of molten steel7.14×105S·m-1
Relative permeability of molten steel1
Inlet temperature1800K
Density of molten steel8523-0.8358Tkg·m-3
Viscosity of molten steel0.0061Pa·s
Thermal conductivity of molten steel41W·m-1·K-1
Specific heat capacity of molten steel750J·kg-1·K-1
Free surface heat flux15000W·m-2
Bottom heat flux1800W·m-2
Longitudinal wall heat flux4600W·m-2
Transversal wall heat flux4000W·m-2
Channel wall heat flux1200W·m-2