Original Research

Journal of Fusion Energy

, Volume 31, Issue 4, pp 341-345

Dependence of Potential Well Depth on the Magnetic Field Intensity in a Polywell Reactor

  • F. KazemyzadeAffiliated withPlasma Physics and Nuclear Fusion Research School, Nuclear Science and Technology Research Institute, AEOI
  • , H. MahdipoorAffiliated withPlasma Physics and Nuclear Fusion Research School, Nuclear Science and Technology Research Institute, AEOI
  • , A. BagheriAffiliated withPlasma Physics and Nuclear Fusion Research School, Nuclear Science and Technology Research Institute, AEOI
  • , S. KhademzadeAffiliated withPlasma Physics and Nuclear Fusion Research School, Nuclear Science and Technology Research Institute, AEOI
  • , E. HajiebrahimiAffiliated withPlasma Physics and Nuclear Fusion Research School, Nuclear Science and Technology Research Institute, AEOI
  • , Z. GheisariAffiliated withPlasma Physics and Nuclear Fusion Research School, Nuclear Science and Technology Research Institute, AEOI
  • , A. SadighzadehAffiliated withPlasma Physics and Nuclear Fusion Research School, Nuclear Science and Technology Research Institute, AEOI
  • , V. DamidehAffiliated withPlasma Physics and Nuclear Fusion Research School, Nuclear Science and Technology Research Institute, AEOI Email author 

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Abstract

Using OOPIC-Pro assisted-two dimensional simulation we have considered the dependencies of the electron and ion densities, as well as the central electric potential on the magnetic-field intensity in the Polywell fusion reactor. It is shown that the potential well depth increases with decreasing the magnetic intensity, while much narrower well width (thus more effective deuteron trapping) is achieved with increasing the magnetic field intensity. The results obtained can be employed to adjust the magnetic field intensities at which more effective electron confinement, thus more effective ion-flux convergence, is expected. Furthermore, this study can be used to reach the optimized conditions of the reactor operation as well as to relate to the next generation fusion fuels.

Keywords

Polywell fusion reactor Particle-in-cell code Negative potential well (NPW) Magnetic field intensity