Numerical Simulation on Fluid Field in Mould for Slab Concasting

孙于萍; 李杰; 乐可襄; 周兰聚

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Numerical Simulation on Fluid Field in Mould for Slab Concasting

更新时间：2026-01-21

- Numerical Simulation on Fluid Field in Mould for Slab Concasting
- Special Steel Vol. 26, Issue 2, Pages: 12-15(2005)
- 作者机构：
  
  1. 安徽工业大学,马鞍山,243002
  2. 济钢集团公司,济南,250101
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：18 October 2004，
  
  Online First：24 April 2023，
  
  Published：24 April 2005
- 稿件说明：
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孙于萍, 李杰, 乐可襄, et al. Numerical Simulation on Fluid Field in Mould for Slab Concasting[J]. Special Steel, 2005, 26(2): 12-15.
DOI：

孙于萍, 李杰, 乐可襄, et al. Numerical Simulation on Fluid Field in Mould for Slab Concasting[J]. Special Steel, 2005, 26(2): 12-15. DOI：

摘要

用Fluent流体力学的三维计算软件

运用湍流脉动动能κ方程和湍流脉动动能散耗率ε方程的κ-ε双方程模型在给定的数值计算条件下

对板坯连铸结晶器内钢液的流场进行了模拟研究

结晶器钢液流场的基本特征为 :在结晶器出口方向存在一个速度较快的水平流

其冲击到结晶器壁时形成回流

把结晶器内钢液分割成上下两个回流区。通过数值计算得出

1250 mm × 200 mm板坯结晶器水口合适插入深度为 175mm

出口倾角 16°～18°和合适拉坯速度为 10～12m/min。

Abstract

The fluid field in mould for slab concasting has been simulated using K-e double equation model i.e. the turbulent flow pulse kinetic energy k equation and the turbulent flow pulse kinetic scattering loss rate e equation in given numerical calculation conditions by three dimensional mathematical software Fluent. The basic characteristic of fluid field in mould was that there was a horizontal flow at exit of mould

which formed return flow as it impacted the wall of mould to divide the fluid in mould into up return flow and down flow. It is obtained by calculation that the immersion depth of nozzle for mould of 1250 mm x 200 mm slab 175 mm

the exit angle 16° ~ 18° and the casting speed 1.0 ~ 1.2 m/min are available for slab casting.

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