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离子发动机羽流二维轴对称数值模型与验证

任军学 王艳 仇钎 汤海滨

任军学, 王艳, 仇钎, 等 . 离子发动机羽流二维轴对称数值模型与验证[J]. 北京航空航天大学学报, 2011, 37(12): 1498-1503.
引用本文: 任军学, 王艳, 仇钎, 等 . 离子发动机羽流二维轴对称数值模型与验证[J]. 北京航空航天大学学报, 2011, 37(12): 1498-1503.
Ren Junxue, Wang Yan, Qiu Qian, et al. Validation of two-dimensional axisymmetric plume model for ion thruster[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(12): 1498-1503. (in Chinese)
Citation: Ren Junxue, Wang Yan, Qiu Qian, et al. Validation of two-dimensional axisymmetric plume model for ion thruster[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(12): 1498-1503. (in Chinese)

离子发动机羽流二维轴对称数值模型与验证

基金项目: 国家自然科学基金资助项目(10805004,10705003)
详细信息
    作者简介:

    任军学(1980-),男,湖北随州人,讲师,rjx_buaa@sina.com.

  • 中图分类号: V 439.4

Validation of two-dimensional axisymmetric plume model for ion thruster

  • 摘要: 为了解离子发动机羽流特别是交换电荷离子(CEX,Charge-Exchange)的分布和流动特性,建立了离子发动机羽流的物理模型,采用粒子网格(PCI,Particle in Cell)方法对2种型号的离子发动机羽流场进行数值模拟计算,与其地面实验数据进行对比分析.结果表明:在CEX离子密度大小及分布、电势的大小及最大电势梯度的位置、CEX离子流动角方面,模拟结果同实验结果符合得相当好.在电势结构方面,由于舱壁电势的影响,模拟结果同实验结果相比有一些差别.羽流模型和计算结果为相关羽流实验和数值模拟研究提供参考.

     

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出版历程
  • 收稿日期:  2010-08-06
  • 刊出日期:  2012-12-30

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