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Numerical Study of Z-pinch Dynamics at Different Working Regimes

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Abstract

Mass sweeping and current efficiency factors (f m and f i ) are two important parameters in Z-pinch devices, because one can compute those to better analyze Z-pinch dynamics. In this paper, the advanced shock model was employed to calculate and compare the aforementioned parameters for ACOL Z-pinch in three different working regimes. It was found that f m is in the range of 0.12–0.13 for hydrogen gas at p 0 = 400 and 800 Pa pressures and f m = 0.13 for helium gas at p 0 = 260 Pa. Similar works have resulted f m in the range 0.10–0.16. Therefore our computations of f m values (range 0.1–0.13) agree with the f m range, and it confirms our model. Therefore, the factors can be precisely being calculated using advanced shock model for various Z-pinch systems at different working regimes.

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Authors and Affiliations

  1. Faculty of Plasma and Nuclear Fusion, Nuclear Science and Technology Research Institute, Atomic Energy Organization of Iran, North Kargar Ave, Tehran, Iran

    A. Raeisdana, S. M. Sadat Kiai & A. Sadighzadeh

  2. Department of Nuclear Engineering, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran

    M. Nasri Nasrabadi

Authors
  1. A. Raeisdana
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  2. S. M. Sadat Kiai
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  3. A. Sadighzadeh
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  4. M. Nasri Nasrabadi
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Correspondence to A. Raeisdana.

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Raeisdana, A., Sadat Kiai, S.M., Sadighzadeh, A. et al. Numerical Study of Z-pinch Dynamics at Different Working Regimes. J Fusion Energ 33, 746–751 (2014). https://doi.org/10.1007/s10894-014-9740-3

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  • DOI: https://doi.org/10.1007/s10894-014-9740-3

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