磁驱动固体套筒实验模拟中的电流系数

阚明先 陈涵 吴凤超 贾月松 张南川 傅贞 段书超

阚明先, 陈涵, 吴凤超, 贾月松, 张南川, 傅贞, 段书超. 磁驱动固体套筒实验模拟中的电流系数[J]. 高压物理学报. doi: 10.11858/gywlxb.20240844
引用本文: 阚明先, 陈涵, 吴凤超, 贾月松, 张南川, 傅贞, 段书超. 磁驱动固体套筒实验模拟中的电流系数[J]. 高压物理学报. doi: 10.11858/gywlxb.20240844
KAN Mingxian, CHEN Han, WU Fengchao, JIA Yuesong, ZHANG Nanchuan, FU Zhen, DUAN Shuchao. Current Coefficient Law in Simulation of Magnetically Driven Solid Liner Experiment[J]. Chinese Journal of High Pressure Physics. doi: 10.11858/gywlxb.20240844
Citation: KAN Mingxian, CHEN Han, WU Fengchao, JIA Yuesong, ZHANG Nanchuan, FU Zhen, DUAN Shuchao. Current Coefficient Law in Simulation of Magnetically Driven Solid Liner Experiment[J]. Chinese Journal of High Pressure Physics. doi: 10.11858/gywlxb.20240844

磁驱动固体套筒实验模拟中的电流系数

doi: 10.11858/gywlxb.20240844
基金项目: 国家自然科学基金(12075226)
详细信息
    作者简介:

    阚明先(1971-),男,硕士,副研究员,主要从事磁流体力学数值方法、程序开发、磁驱动实验模拟及理论研究. E-mail:kanmx@caep.cn

  • 中图分类号: O521.3; O361.3

Current Coefficient Law in Simulation of Magnetically Driven Solid Liner Experiment

  • 摘要: 采用不可压缩理论模型,对FP-2装置上开展的磁驱动固体套筒实验进行了模拟分析。模拟结果表明,无论是二维磁流体力学理论模型,还是其他不可压缩理论模型,回流罩结构磁驱动固体套筒的边界磁感应强度公式中都包含一个小于1的套筒电流系数。对不同套筒厚度、不同套筒半径条件下磁驱动固体套筒实验的电流系数进行了模拟,发现电流系数不仅与套筒内半径有关,还与套筒厚度有关;套筒内半径越大,套筒电流系数越小;套筒厚度越大,套筒电流系数越小。准确掌握磁驱动固体套筒电流系数的变化规律,可使磁流体程序从磁驱动固体套筒实验的后验模拟发展为精确预测,使磁流体力学模型真正具备正确设计和指导磁驱动固体套筒相关实验的理论能力。

     

  • 图  回流罩固体套筒实验装置的初始结构剖面

    Figure  1.  Cross section of magnetically driven solid liner experiment setup with a reflux hood

    图  磁驱动固体套筒实验测得的电流

    Figure  2.  Measured currents for magnetically driven solid liner experiments

    图  不可压缩模型模拟得到的套筒内界面速度

    Figure  3.  Liner interface velocity simulated by incompressible model

    图  实验 1~实验4的套筒内界面速度

    Figure  4.  Interface velocities of the experimental liners for Exp. 1−Exp. 4

    表  1  磁驱动固体套筒实验的套筒参数

    Table  1.   Liner parameters of the magnetically driven solid liner experiments

    Exp. No.Liner materialLiner’s inner radius/mmLiner’s thickness/mm
    1Al450.6
    2Al300.6
    3Al451.6
    4Al301.9
    下载: 导出CSV

    表  2  磁驱动固体套筒实验的电流系数

    Table  2.   Current coefficients of the magnetically driven solid liner experiments

    Exp. No.Liner’s inner radius/mmLiner’s thickness/mmfc
    1450.60.87
    2300.60.90
    3451.60.85
    4301.90.88
    下载: 导出CSV
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出版历程
  • 收稿日期:  2024-07-04
  • 修回日期:  2024-09-20
  • 网络出版日期:  2024-10-23

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