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Model Parameters Versus Gas Pressure in Two Different Plasma Focus Devices Operated in Argon and Neon

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Abstract

For the plasma focus device AECS PF-2 operated in Ar and INTI PF in Ne, model parameters of mass and current in the axial phase of plasma focus were found by matching the measured and calculated current waveforms over a range of pressures. The results show a value of fm = 0.05 ± 0.01 over 0.2–1.2 Torr in Ar; and fm = 0.04 ± 0.01 over 0.7–4.1 Torr in Neon. The value of fc = 0.7 was fitted for all cases. Combining these results with those published for several other small machines it would appear that, where measured current waveforms are not available for example in designing new machines, a good compromise would be to take a guideline value of fm = 0.05 and fc = 0.7 for both Argon and Neon.

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Acknowledgments

The first two authors would like to thank the director general of AEC of Syria, for his encouragement, guidance and permanent support.

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Authors and Affiliations

  1. Department of Physics, Atomic Energy Commission, P.O. Box 6091, Damascus, Syria

    Sh. Al-Hawat & M. Akel

  2. Institute for Plasma Focus Studies, 32 Oakpark Drive, Chadstone, VIC 3148, Australia

    S. Lee & S. H. Saw

  3. INTI International University, 71800, Nilai, Malaysia

    S. Lee & S. H. Saw

  4. National Institute of Education, Nanyang Technological University, Singapore, 637616, Singapore

    S. Lee

Authors
  1. Sh. Al-Hawat
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  2. M. Akel
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  3. S. Lee
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  4. S. H. Saw
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Correspondence to Sh. Al-Hawat.

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Al-Hawat, S., Akel, M., Lee, S. et al. Model Parameters Versus Gas Pressure in Two Different Plasma Focus Devices Operated in Argon and Neon. J Fusion Energ 31, 13–20 (2012). https://doi.org/10.1007/s10894-011-9414-3

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