• Ignition curves for deuterium/helium-3 fuel in spherical tokamak reactor

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      https://www.ias.ac.in/article/fulltext/pram/086/04/0837-0846

    • Keywords

       

      Fusion reaction; ignition curve; confinement time; spherical tokamak.

    • Abstract

       

      In this paper, ignition curve for deuterium/helium-3 fusion reaction is studied. Four fusion reactions are considered. Zero-dimensional model for the power balance equation has been used. The closed ignition curves for $\rho$ = constant (ratio of particle to energy confinement time) have been derived. The results of our calculations show that ignited equilibria for deuterium/helium-3 fuel in a spherical tokamak is only possible for $\rho$ = 5.5 and 6. Then, by using the energy confinement scaling and parameters of the spherical tokamak reactor, the plasma stability limits have been obtained in $n_e, T$ plane and, to determine the thermal instability of plasma, the time dependent transport equations have been solved.

    • Author Affiliations

       

      Motevalli S M1 Fadaei F2

      1. Department of Physics, Faculty of Science, University of Mazandaran, P.O. Box 47415-416, Babolsar, Iran
      2. Department of Physics, Payam Noor University, P.O. Box 19395-3697, Tehran, Iran
    • Dates

       
  • Pramana – Journal of Physics | News

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