模拟多尺寸泡的空间分布在一个板块连续造模具水模型中
Yushi Tian1,2, Lijun Xu2, Shengtao Qiu2
1School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
Materials (Basel, Switzerland)
|July 14, 2023
概括
这项研究使用了一种合模型来模拟连续造模具中的泡行为. 这些发现揭示了影响双相流动的关键泡相互作用和分布.
科学领域:
- 计算流体动力学的流体动力学.
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 精确模拟双相流程对于优化连续造工艺至关重要.
- 了解泡动态,包括尺寸分布和空间布局,对于过程控制至关重要.
研究的目的:
- 模拟板块连续造模具中的多尺寸气泡的空间分布.
- 研究气泡相互作用对双相流动力学的影响.
- 推一个适当的数值模型来模拟泡特性.
主要方法:
- 采用了一个完全合的大模拟 (LES) 模型.
- 该模型整合了流体体积 (VOF),离散相位,泡碰撞和泡破裂模型.
- 数字模拟与来自水模型的实验数据进行了验证.
主要成果:
- 泡凝聚和破裂最频繁地发生在潜水入口喷嘴附近.
- 泡反弹被确定为深层模具区域的关键相互作用.
- 模具中的平均气泡直径被确定为0.741毫米,其中44.5%的气泡接近这个大小.
结论:
- 开发的数值模型准确地模拟了连续造中的双相流和泡特性.
- 泡相互作用模型显著影响泡的预测空间和尺寸分布.
- 该研究提供了关于优化泡管理以提高造质量的见解.
关键词:
分手 分手 分裂 分裂.泡 泡 泡 是一种气泡.碰撞碰撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞撞连续造模具模具的成型方式大风模拟大风模拟两相流量流的两个阶段.更多相关视频
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