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Isentrope Parameter Effect in the Compression Process of the Fusion Advanced Fuel

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Abstract

In inertial confinement fusion, Fermi degeneracy plays an important role in reducing the cost of driver energy. In this research, based on recent progresses in the laser electron accelerators research, we have physically designed a D/3 He target and examine the isentropic parameter of a D/3 He fuel to achieve the goal of gains of order 500. The design target significantly depends on the isentrope parameter and the pressure of the D/3 He fuel. In during the compression, If the D/3 He fuel stays in the degeneracy state, the compression energy is smaller than the ignition energy for the same amount of fuel. The energy requirement to compress a D/3 He fuel with density 2.9 × 104 g/cm3 is 4.2 × 107 J/g. Also, the driver energy needed to achieve these gains is estimated to be 1000 MJ when the coupling efficiency is 10 % and isentropic parameter is 1.5.

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Authors and Affiliations

  1. Physics Department, Mazandaran University, P. O. Box 47415-416, Babolsar, Iran

    M. Mahdavi & F. Khodadadi Azadboni

  2. Young Researchers Club, Sari Branch, Islamic Azad University, P. O. Box 48161-194, Sari, Iran

    F. Khodadadi Azadboni

Authors
  1. M. Mahdavi
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  2. F. Khodadadi Azadboni
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Correspondence to F. Khodadadi Azadboni.

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Mahdavi, M., Azadboni, F.K. Isentrope Parameter Effect in the Compression Process of the Fusion Advanced Fuel. J Fusion Energ 32, 88–96 (2013). https://doi.org/10.1007/s10894-012-9527-3

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  • DOI: https://doi.org/10.1007/s10894-012-9527-3

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