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The Study of the Dynamics of Z Pinch Plasma Using Electromagnetic, Thermal and Circuital Coupling

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An Erratum to this article was published on 13 February 2016

Abstract

In this paper, dynamics of IRZP-1 device is studied and analyzed by using slug model. The device called IRZP-1 is composed by 3 capacitors (0.7 µF, 75 kV, 20 nH) connected in parallel to a discharge chamber by a transmission line. The discharge chamber is a cylindrical Pyrex glass tube with the electrodes at the ends. Distance between two electrodes is 4.5 cm. The behavior of the plasma in three phases, radial inward shock phase, reflection shock phase and pinch phase, is studied and simulated. In this paper, after reviewing the dynamics of linear Z pinch, and simulation of pinch time and current passing through it, the results of simulation are compared with experimental results of CERN Z pinch. The pinch time is obtained by simulation. After ensuring the accuracy of the simulation program, the parameters of IRZP-1 device were simulated. Pinch time and pinch current of IRZP-1, are obtained 0.111 µs and 298.8 kA, respectively. Mass sweeping and current efficiency factors (fm and fi) are important, because we can improve to analyze Z-pinch dynamics by these parameters which determine by fitting between computational and experimental data.

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Authors and Affiliations

  1. Plasma and Nuclear Fusion Research School, Nuclear Science and Technology Research Institute, Tehran, P.O. Box 14399-51113, Iran

    A. Esmaeli, A. Sadighzadeh & H. Abbasi

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  1. A. Esmaeli
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  2. A. Sadighzadeh
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  3. H. Abbasi
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Correspondence to A. Esmaeli.

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Esmaeli, A., Sadighzadeh, A. & Abbasi, H. The Study of the Dynamics of Z Pinch Plasma Using Electromagnetic, Thermal and Circuital Coupling. J Fusion Energ 35, 327–333 (2016). https://doi.org/10.1007/s10894-015-0028-z

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