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激光模切工位中风刀阻断除尘数值模拟

杨铁牛 胡金洲 杜华娜 林浩良

杨铁牛,胡金洲,杜华娜, 等. 激光模切工位中风刀阻断除尘数值模拟[J]. 机械科学与技术,2022,41(12):1894-1899 doi: 10.13433/j.cnki.1003-8728.20200533
引用本文: 杨铁牛,胡金洲,杜华娜, 等. 激光模切工位中风刀阻断除尘数值模拟[J]. 机械科学与技术,2022,41(12):1894-1899 doi: 10.13433/j.cnki.1003-8728.20200533
YANG Tieniu, HU Jinzhou, DU Huana, LIN Haoliang. Numerical Simulation of Dust Removal by Stroke Knife Block at Laser Die-cutting Station[J]. Mechanical Science and Technology for Aerospace Engineering, 2022, 41(12): 1894-1899. doi: 10.13433/j.cnki.1003-8728.20200533
Citation: YANG Tieniu, HU Jinzhou, DU Huana, LIN Haoliang. Numerical Simulation of Dust Removal by Stroke Knife Block at Laser Die-cutting Station[J]. Mechanical Science and Technology for Aerospace Engineering, 2022, 41(12): 1894-1899. doi: 10.13433/j.cnki.1003-8728.20200533

激光模切工位中风刀阻断除尘数值模拟

doi: 10.13433/j.cnki.1003-8728.20200533
基金项目: 国家科技重大专项项目(2011ZX02403-004)
详细信息
    作者简介:

    杨铁牛(1964−),教授,硕士生导师,研究方向为智能装备与控制、空气动力学,jmniuytn@126.com

  • 中图分类号: TP69

Numerical Simulation of Dust Removal by Stroke Knife Block at Laser Die-cutting Station

  • 摘要: 为了验证锂离子电池激光模切工位中除尘系统的可靠性,以激光模切工位腔体中喷射颗粒运动过程为研究对象,对腔体中粉尘颗粒运动过程进行仿真。提出了风刀射流风幕阻断除尘的工作原理,同时对整个风刀阻断除尘过程进行仿真研究,得到了粉尘颗粒运动轨迹规律,统计出腔体中粉尘颗粒最终去向占比依次为系统除尘(61.07%)>附着壁面(21.25%)> 附着极片(10.01%)> 逃逸(7.69%)。
  • 图  1  激光切割极片

    图  2  激光模切工位结构俯视图

    图  3  内腔流体域模型

    图  4  网格划分模型

    图  5  射流风幕x-z截面流线图

    图  6  射流风幕z轴速度分布曲线

    图  7  不同断面射流分风幕y轴速度分布曲线

    图  8  不同时刻粉尘颗粒运动轨迹图

    表  1  颗粒去向统计表

    粒径/μm数量P1/%P2/%P3/%P4/%
    11 00066.260.3333.080.35
    51 00091.291.357.340.05
    81 00067.8422.175.634.36
    121 00046.7435.292.6615.32
    151 00033.2347.091.3218.36
    总计5 00061.0721.2510.017.69
    下载: 导出CSV
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  • 被引次数: 0
出版历程
  • 收稿日期:  2020-12-23
  • 网络出版日期:  2023-02-16
  • 刊出日期:  2022-12-05

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