Abstract
The radial electric field in the edge plasma of small size divertor tokamak can be simulated by B2SOLPS0.5.2D fluid transport code. The simulation provides the follow results: (1) Switching on and off the part of the parallel plasma viscosity driven by parallel ion diamagnetic heat flux (Bekheit in J. Fusion Energ 27(4), 338–345, 2008; Schneider et al. in Nucl. Fusion 41:387, 2001) and Counter-NBI plasma heating change profile of radial electric field significantly. (2) Switching on and off the parallel plasma viscosity driven by parallel ion diamagnetic heat flux leads to the radial electric field is toroidal magnetic field dependence (3) For the case of counter-NBI plasma heating, the switching on and off the current driven by part parallel plasma viscosity depends on the ion diamagnetic heat flux leads to the ion poloidal velocity is toroidal magnetic field BT dependence. (4) The profile of the radial electric field in edge plasma of small size divertor tokamak is consistent with poloidal rotation velocity.
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References
A.H. Bekheit, J. Fusion Energ 27(4), 338–345 (2008)
R. Schneider, V. Rozhansky, V. Voskoboynikov, Nucl. Fusion 41, 387 (2001)
A.H. Bekheit, J. Fusion Energ 29, 267–270 (2010)
A.H. Bekheit, accepted for publication in J. Fusion Energ (2011)
S.P. Hirshman et al., Nucl. Fusion 21, 1079 (1981)
V. Rozhansky, Plasma Phys. Controlled Fusion 48, 1425 (2006)
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Bekheit, A.H. Simulation of the Radial Electric Field in the Small Size Divertor Tokamak for Discharge with Neutral Beam Injection (NBI). J Fusion Energ 32, 410–413 (2013). https://doi.org/10.1007/s10894-012-9586-5
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DOI: https://doi.org/10.1007/s10894-012-9586-5