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

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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 ρ=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 ρ= 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.

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Authors and Affiliations

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

    S M MOTEVALLI

  2. Department of Physics, Payam Noor University, P.O. Box 19395-3697, Tehran, Iran

    F FADAEI

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  1. S M MOTEVALLI
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  2. F FADAEI
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Correspondence to S M MOTEVALLI.

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MOTEVALLI, S.M., FADAEI, F. Ignition curves for deuterium/helium-3 fuel in spherical tokamak reactor. Pramana - J Phys 86, 837–846 (2016). https://doi.org/10.1007/s12043-015-1098-1

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  • DOI: https://doi.org/10.1007/s12043-015-1098-1

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