A peer-reviewed journal published by K. N. Toosi University of Technology

Document Type : Research Article

Authors

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

2 Department of Physics, Faculty of Science, University of Guilan, P.O. Box 41335-1914, Rasht, Iran

Abstract

In this research, the effect of deuterium beam energy distribution function resulting from TNSA and RPA mechanisms on the fast ignition of D/He-3 fuel pellet has been investigated. The fuel is irradiated with a deuterium beam through a conical guide. The energy distribution function will be different in different mechanisms. Penetration depth and stopping power of ignitor beam with mono- energy, Maxwellian and Gaussian distribution of energy are calculated. Calculations show that the Maxwellian beam from TNSA mechanism, penetrates up to about 100 μm in the fuel and the height of deposition peak is still in plasma corona. The height of the peak has also increased about 25 times compared to the case where the Gaussian beam is considered. Also, the obtained results are shown that the energy deposit of the deuterium beam resulting the RPA mechanism will be completely localized and will be more concentrated in the dense fuel core.

Highlights

  • The effect of deuterium beam energy distribution function on the fast ignition of D/He-3 fuel pellet was investigated.
  • Deuterium beam energy distribution function from TNSA and RPA mechanisms was considered.
  • Penetration depth and stopping power of ignitor beam, Maxwellian and Gaussian distribution of energy are calculated.
  • The results show that the energy deposit of the deuterium beam resulting the RPA mechanism is completely localized.

Keywords

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