# Gyrokinetic study of the role of Î² on electron particle transport in tokamaks

## Related Articles

- Neoclassical electron transport in tokamaks with neutral-beam injection. Helander, P.; Akers, R. J. // Physics of Plasmas;Apr2005, Vol. 12 Issue 4, p042503
The collisional interaction between neutral-beam ions and bulk plasma electrons leads to convective transport of particles and energy similar to the well-known Ware pinch. These transport fluxes are calculated, and it is found that the particle flux is outward when the neutral beams are in the...

- The B—B[sup â€²]—U Hubbard model in the approximation of static fluctuations. Mironov, G. I. // Physics of the Solid State;Jun99, Vol. 41 Issue 6, p864
Within the approximation of static fluctuations, the effect of allowing for electron transport from a given site to the second-nearest neighboring site on the energy spectrum of the two-sublattice two-dimensional Hubbard model and on the dependence of the magnetization on the system parameters...

- Effects of orbit distortion on classical transport. Shaing, K.C.; Aydemir, A.Y. // Physics of Plasmas;Oct98, Vol. 5 Issue 10, p3680
Examines the variation of the electrostatic fields in tokamaks. Association of ion orbits with significantly reduced neoclassical transport; Occurrence of an analogous process for steeper field variation; Implication of the distortion of the gyro-orbits by the ion gyro-radius for the...

- Reversal of particle flux in collisional-finite beta tokamak discharges. Ma, J.; Wang, G.; Weiland, J.; Rafiq, T.; Kritz, A. H. // Physics of Plasmas;2015, Vol. 22 Issue 1, p1
The mixed gradient method [Zhong et al. Phys. Rev. Lett. 111, 265001 (2013)] is adopted and effects of collisions and finite beta are included in the Weiland 9-equation fluid model. The particle flux and particle pinch, obtained using the Weiland anomalous transport fluid model, are compared...

- Charge exchange recombination spectroscopy for Î± particles colliding with hydrogen atoms. Liu, X. J.; Liu, L.; Wang, J. G.; Qu, Y. Z.; Xiao, B. J. // Physics of Plasmas;Oct2011, Vol. 18 Issue 10, p103301
The intensities of charge exchange recombination spectroscopy (CXRS) of Î± particles colliding with the hydrogen atoms in the neutral beam injection (NBI) are calculated by solving the rate equations including electron collision processes in the quasi-static state approximation. The effects of...

- Comment on â€˜â€˜Effects of neutral beam injection on poloidal rotation and energy transport in tokamaksâ€™â€™ [Phys. Fluids B 5, 3012 (1993)]. Stacey, Weston M. // Physics of Fluids B: Plasma Physics;Dec93, Vol. 5 Issue 12, p4505
A comment on effects of neutral beam injection on poloidal rotation and energy transport in tokamaks plasma is presented. The enhanced neoclassical effects such as poloidal mass flow, viscous heating and the convective flow of main plasma ions which is inward for coinjection should be taken into...

- Modeâ€“particle resonances during near-tangential neutral beam injection in the Tokamak Fusion Test Reactor. Kaita, R.; White, R. B.; Morris, A. W.; Fredrickson, E. D.; McGuire, K. M.; Medley, S. S.; Murphy, T. J.; Scott, S. D. // Physics of Fluids B: Plasma Physics;Jul90, Vol. 2 Issue 7, p1584
Coherent magnetohydrodynamic modes have been observed previously during neutral beam injection in the PDX tokamak [Phys. Rev. Lett. 50, 891 (1983)] and they have now been seen in the TFTR tokamak [Phys. Fluids 26, 2958 (1983)]. Periodic bursts of oscillations were detected with several plasma...

- Effects of neutral beam injection on poloidal rotation and energy transport in tokamaks. Hinton, F. L.; Kim, Y.-B. // Physics of Fluids B: Plasma Physics;Aug93, Vol. 5 Issue 8, p3012
The poloidal mass flow and ion energy transport driven by friction between thermal ions and fast ions resulting from neutral beam injection are investigated. Transport coefficients are derived which relate the poloidal mass flow and the radial ion heat flux to the fast ion friction and the...

- Energetic particle orbits in the National Spherical Tokamak Experiment. Mikkelsen, D.R.; White, R.B.; Akers, R.J.; Kaye, S.M.; McCune, D.C.; Menard, J.E. // Physics of Plasmas;Oct97, Vol. 4 Issue 10, p3667
Examines the trajectories of neutral beam injected energetic ions in spherical tokamaks. Effect of a large poloidal magnetic field in the outboard region; Numerical solutions to the equations for particle motion; Possibility of additional orbit types in spherical tokamaks.