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Radial fluxes of parallel momentum due to and magnetic drifts are shown to be correlated in tokamak plasmas. This correlation comes from the onset of poloidal convective cells generated by… Click to show full abstract
Radial fluxes of parallel momentum due to and magnetic drifts are shown to be correlated in tokamak plasmas. This correlation comes from the onset of poloidal convective cells generated by turbulence. The entire process requires a symmetry breaking mechanism, e.g. a mean shear flow. An analytical calculation shows that anti-correlation between the poloidal and parallel components of the turbulent Reynolds stress results in anti-correlation of the fluxes of parallel momentum generated by and curvature drifts.
Keywords:
cells momentum;
impact poloidal;
momentum flux;
poloidal convective;
momentum;
convective cells
Journal Title: New Journal of Physics
Year Published: 2017
Link to full text (if available)
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Journal Title: New Journal of Physics
Year Published: 2017
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!