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Acta Physica Sinica, Volume. 69, Issue 9, 094701-1(2020)

Experimental research on Rayleigh-Taylor instability of oxygen-free high conductivity copper under explosive loading

Bi-Yong Li1,2、*, Jian-Xiang Peng2, Yan Gu2, and Hong-Liang He2
Author Affiliations
  • 1School of Science, Nanjing University of Science and Technology, Nanjing 210094, China
  • 2Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
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    Figures & Tables(7)
    Scheme of the experimental assembly of high explosive driven metal RT instability.

    Fig. 1. Scheme of the experimental assembly of high explosive driven metal RT instability.

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    Pictures of a pre-machined sinusoidal perturbation oxygen-free high conductivity copper target.

    Fig. 2. Pictures of a pre-machined sinusoidal perturbation oxygen-free high conductivity copper target.

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    Radiographs of the perturbation growth at the different times.

    Fig. 3. Radiographs of the perturbation growth at the different times.

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    Specimen edge images of after data processing.

    Fig. 4. Specimen edge images of after data processing.

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    Change of the perturbation growth velocity with time.

    Fig. 5. Change of the perturbation growth velocity with time.

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    Comparison of the perturbation growth between experiment and simulation.

    Fig. 6. Comparison of the perturbation growth between experiment and simulation.

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    • Table 1. Interface perturbation characters of the high purity copper at different times.

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      Table 1. Interface perturbation characters of the high purity copper at different times.

      实验 编号 初始波 长/mm 初始幅 值/mm 当前幅 值/mm 照相 时刻/μs
      15.00.30.86 ± 0.051.98
      0.51.17 ± 0.05
      25.00.31.65 ± 0.053.50
      0.52.67 ± 0.05
      35.00.31.98 ± 0.055.26
      0.53.42 ± 0.05
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    Bi-Yong Li, Jian-Xiang Peng, Yan Gu, Hong-Liang He. Experimental research on Rayleigh-Taylor instability of oxygen-free high conductivity copper under explosive loading[J]. Acta Physica Sinica, 2020, 69(9): 094701-1

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    Paper Information

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    Received: Dec. 30, 2019

    Accepted: --

    Published Online: Nov. 26, 2020

    The Author Email:

    DOI:10.7498/aps.69.20191999

    Topics

    Nuclear physics
    Particles and fields
    Particle and nuclear astrophysics and cosmology