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空间旋转目标消旋力矩仿真分析

石永康 黄少华 廖潜 陈金山

石永康, 黄少华, 廖潜, 陈金山. 空间旋转目标消旋力矩仿真分析[J]. 空间科学学报. doi: 10.11728/cjss2022.05.210709075
引用本文: 石永康, 黄少华, 廖潜, 陈金山. 空间旋转目标消旋力矩仿真分析[J]. 空间科学学报. doi: 10.11728/cjss2022.05.210709075
SHI Yongkang, HUANG Shaohua, LIAO qian, CHEN Jinshan. Finite Element Simulation Analysis of Damping Torque of Space Rotating Object (in Chinese). Chinese Journal of Space Science, xxxx, x(x): x-xx doi: 10.11728/cjss2022.05.210709075
Citation: SHI Yongkang, HUANG Shaohua, LIAO qian, CHEN Jinshan. Finite Element Simulation Analysis of Damping Torque of Space Rotating Object (in Chinese). Chinese Journal of Space Science, xxxx, x(x): x-xx doi: 10.11728/cjss2022.05.210709075

空间旋转目标消旋力矩仿真分析

doi: 10.11728/cjss2022.05.210709075
基金项目: 国家自然科学基金项目(51965056),2019年度自治区高校科研计划项目(61021800081),新疆大学科研启动项目(620312351)和自治区高层次人才项目(100400027)共同资助
详细信息
    作者简介:

    黄少华:E-mail:hsh@stu.xju.edu.cn

  • 中图分类号: V414

Finite Element Simulation Analysis of Damping Torque of Space Rotating Object

  • 摘要: 针对提高空间旋转目标消旋效率的问题,使用电磁场软件MAXWELL对球壳的消旋力矩进行了分析。设计并建立了二维亥姆霍兹线圈仿真模型,并对仿真模型进行了有效性验证,使用验证后的仿真模型分析了单因素影响下的球壳消旋力矩变化情况,进而对现有的球壳消旋力矩解析式进行了修正。仿真结果表明,现有的球壳消旋力矩解析式有其适用条件,适用于厚度与半径之比小于0.023的球壳,新的球壳消旋力矩解析式与原有解析式相比计算误差更小。

     

  • 图  1  电磁–涡流消旋概念

    Figure  1.  Damping by electromagnetic eddy currents

    图  2  亥姆霍兹线圈

    Figure  2.  Helmholtz coil

    图  3  线圈模型和球壳模型

    Figure  3.  Finite element model of coil and spherical shell

    图  4  匀强磁场云图

    Figure  4.  Cloud map of uniform magnetic field

    图  5  中心区域匀强磁场分布

    Figure  5.  Distribution of uniform magnetic field in the center area

    图  6  各因素影响下的球壳模型消旋力矩变化情况

    Figure  6.  Variation trend of damping torque of spherical shell model under various factors

    图  7  各因素影响下的相对误差

    Figure  7.  Relative error under the influence of each factors

    图  8  电导率、线圈电流、球壳旋转速度影响下的相对误差

    Figure  8.  Relative error under conductivity, coil current and the rotation speed of the spherical shell

    图  9  球壳的厚度与半径之比影响下的相对误差

    Figure  9.  Relative error under the ratio of the shell thickness to the shell radius

    图  10  各因素影响下的相对误差-精确消旋力矩解析式

    Figure  10.  Relative error under the influence of each factors—Accurate expressions of damping torque

    图  11  球壳的厚度与半径之比影响下的相对误差-精确消旋力矩解析式

    Figure  11.  Relative error under the ratio of the shell thickness to the shell radius—Accurate expressions of damping torque

    表  1  中心区域磁感应强度大小

    Table  1.   Magnitude of magnetic flux density of the center area

    Numbermagnetic flux density (×10–5)/T
    15.40084
    25.40086
    35.40087
    45.40086
    55.40085
    65.40083
    75.40080
    85.40078
    95.40078
    105.40081
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-07-04
  • 录用日期:  2022-01-05
  • 修回日期:  2022-04-18
  • 网络出版日期:  2022-09-05

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