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重新审视突尼斯流的特征:一个联合的欧勒尔-拉格兰治研究对水,波和侧墙倾斜的影响
Ali Mostafazade Abolmaali1, Mohamad Bayat1, Venkata Karthik Nadimpalli1
1Department of Civil and Mechanical Engineering, Technical University of Denmark, 2800 Kongens Lyngby, Denmark.
Materials (Basel, Switzerland)
|September 27, 2025
概括
计算流体动力学 (CFD) 分析提高了突尼西亚纳入去除效率. 倾斜的侧墙是最有效的,证明了离散阶段模型 (DPM) 分析对单独的居住时间分布 (RTD) 的必要性,以实现更清洁的钢铁生产.
科学领域:
- 金工程 金工程 金工程
- 流体动力学 流体动力学
- 可持续制造 可持续制造 可持续制造
背景情况:
- 在钢铁制造中,突尼斯海对于化金属的转移和精炼至关重要.
- 非金属含量 (例如,) 对钢质和工艺产量产生负面影响.
- 有效的包容性消除对于可持续的钢铁生产和循环经济目标至关重要.
研究的目的:
- 用计算流体动力学 (CFD) 来提高钢铁制造中的含入去除效率.
- 评估被动设计修改 (水,屏蔽,倾斜墙) 对流体流动和内置去除的影响.
- 为了比较居住时间分布 (RTD) 和离散阶段模型 (DPM) 分析的预测能力.
主要方法:
- 进行了计算流体动力学 (CFD) 模拟.
- 居住时间分布 (RTD) 分析评估了流动特征 (死区,插头流量).
- 离散相模 (DPM) 分析追踪了粒子轨迹 (5-80 μm).
- 测试了三种被动修改:垂直大,水平线和倾斜的侧墙.
主要成果:
- 温度梯度通过浮力驱动的循环显著影响了流动模式.
- 倾斜的侧墙带来了最大的入去除改进 (8-19%),尽管热量损失增加.
- 垂直水和水平杆显示出有利的RTD指标,但减少了包含删除率.
- 在基于RTD的预测和基于DPM的结果之间观察到差异.
结论:
- 倾斜的突尼斯边墙是一种有效的被动修改,可以改善包含的去除.
- 仅靠居住时间分布 (RTD) 分析,就不足以准确评估突尼斯的表现.
- 离散阶段模型 (DPM) 分析对于可靠地预测突尼西亚海中包含移除效率至关重要.
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