中国物理B ›› 2021, Vol. 30 ›› Issue (6): 65201-065201.doi: 10.1088/1674-1056/abeb0e

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Numerical simulation and experimental validation of multiphysics field coupling mechanisms for a high power ICP wind tunnel

Ming-Hao Yu(喻明浩)1,†, Zhe Wang(王哲)1, Ze-Yang Qiu(邱泽洋)1, Bo Lv(吕博)1, and Bo-Rui Zheng(郑博睿)2   

  1. 1 Faculty of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China;
    2 School of Automation and Information Engineering, Xi'an University of Technology, Xi'an 710048, China
  • 收稿日期:2020-10-21 修回日期:2021-02-08 接受日期:2021-03-02 出版日期:2021-05-18 发布日期:2021-05-25
  • 通讯作者: Ming-Hao Yu E-mail:ymh@xaut.edu.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 11705143), the Open Foundation for Key Laboratories of National Defense Science and Technology of China (Grant No. 6142202031901), and the Foundation for Research and Development of Applied Technology in Beilin District of Xi'an, China (Grant No. GX2047).

Numerical simulation and experimental validation of multiphysics field coupling mechanisms for a high power ICP wind tunnel

Ming-Hao Yu(喻明浩)1,†, Zhe Wang(王哲)1, Ze-Yang Qiu(邱泽洋)1, Bo Lv(吕博)1, and Bo-Rui Zheng(郑博睿)2   

  1. 1 Faculty of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China;
    2 School of Automation and Information Engineering, Xi'an University of Technology, Xi'an 710048, China
  • Received:2020-10-21 Revised:2021-02-08 Accepted:2021-03-02 Online:2021-05-18 Published:2021-05-25
  • Contact: Ming-Hao Yu E-mail:ymh@xaut.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 11705143), the Open Foundation for Key Laboratories of National Defense Science and Technology of China (Grant No. 6142202031901), and the Foundation for Research and Development of Applied Technology in Beilin District of Xi'an, China (Grant No. GX2047).

摘要: We take the established inductively coupled plasma (ICP) wind tunnel as a research object to investigate the thermal protection system of re-entry vehicles. A 1.2-MW high power ICP wind tunnel is studied through numerical simulation and experimental validation. The distribution characteristics and interaction mechanism of the flow field and electromagnetic field of the ICP wind tunnel are investigated using the multi-field coupling method of flow, electromagnetic, chemical, and thermodynamic field. The accuracy of the numerical simulation is validated by comparing the experimental results with the simulation results. Thereafter, the wind tunnel pressure, air velocity, electron density, Joule heating rate, Lorentz force, and electric field intensity obtained using the simulation are analyzed and discussed. The results indicate that for the 1.2-MW ICP wind tunnel, the maximum values of temperature, pressure, electron number density, and other parameters are observed during coil heating. The influence of the radial Lorentz force on the momentum transfer is stronger than that of the axial Lorentz force. The electron number density at the central axis and the amplitude and position of the Joule heating rate are affected by the radial Lorentz force. Moreover, the plasma in the wind tunnel is constantly in the subsonic flow state, and a strong eddy flow is easily generated at the inlet of the wind tunnel.

关键词: inductively coupled plasma, multiphysics field, coupling mechanism, simulation and experiment

Abstract: We take the established inductively coupled plasma (ICP) wind tunnel as a research object to investigate the thermal protection system of re-entry vehicles. A 1.2-MW high power ICP wind tunnel is studied through numerical simulation and experimental validation. The distribution characteristics and interaction mechanism of the flow field and electromagnetic field of the ICP wind tunnel are investigated using the multi-field coupling method of flow, electromagnetic, chemical, and thermodynamic field. The accuracy of the numerical simulation is validated by comparing the experimental results with the simulation results. Thereafter, the wind tunnel pressure, air velocity, electron density, Joule heating rate, Lorentz force, and electric field intensity obtained using the simulation are analyzed and discussed. The results indicate that for the 1.2-MW ICP wind tunnel, the maximum values of temperature, pressure, electron number density, and other parameters are observed during coil heating. The influence of the radial Lorentz force on the momentum transfer is stronger than that of the axial Lorentz force. The electron number density at the central axis and the amplitude and position of the Joule heating rate are affected by the radial Lorentz force. Moreover, the plasma in the wind tunnel is constantly in the subsonic flow state, and a strong eddy flow is easily generated at the inlet of the wind tunnel.

Key words: inductively coupled plasma, multiphysics field, coupling mechanism, simulation and experiment

中图分类号:  (Plasma heating by radio-frequency fields; ICR, ICP, helicons)

  • 52.50.Qt
52.65.-y (Plasma simulation) 52.75.Hn (Plasma torches) 94.20.Fg (Plasma temperature and density)