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Numerical Experiments on Neon Soft X-Ray Optimization of AECS-PF2 Plasma Focus Device

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Abstract

Numerical experiments have been investigated on modified AECS-PF2 with neon filling gas using the latest version of Lee model. The model was applied to characterize the 2.8 kJ plasma focus AECS-PF2, finding a neon soft X-ray yield (Ysxr) of 0.04 J in its typical operation. By numerical experiments the optimum combination of pressure of 0.57 Torr, anode length of 9 cm and anode radius of 1.57 cm was found. The optimum Ysxr found also to be 0.87 J. Thus we expect to increase the neon Ysxr of AECS-PF2 22-fold from its present typical operation; without changing the capacitor bank, merely by changing the electrode configuration. The Lee model code was also used to run numerical experiments on AECS-PF2 with neon gas for optimizing soft X-ray yield with reducing L0, varying z0 and ‘a’. From these numerical experiments we expect to increase the neon Ysxr of AECS-PF2 with reducing L0, from the present 0.04 J at L0 = 280 nH to maximum value of near 21 J at an achievable L0 = 15 nH at the pressure 2.8 Torr.

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Acknowledgments

The authors would like to thank Director General of AECS, for encouragement and permanent support. The authors would also like to express thanks to Mrs. Sheren Ismael and Mr. Soliman Shaban, who collaborated going through all the numerical experiments using Lee Model and experiments on AECS-PF2 respectively.

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Authors and Affiliations

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

    Sh. Al-Hawat & M. Akel

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

    S. Lee

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

    S. Lee

  4. INTI International University, 71800, Nilai, Malaysia

    S. Lee

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  1. Sh. Al-Hawat
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  2. M. Akel
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Correspondence to Sh. Al-Hawat.

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Al-Hawat, S., Akel, M. & Lee, S. Numerical Experiments on Neon Soft X-Ray Optimization of AECS-PF2 Plasma Focus Device. J Fusion Energ 30, 494–502 (2011). https://doi.org/10.1007/s10894-011-9416-1

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