H-mode: Difference between revisions

170 bytes added ,  29 August 2009
Line 13: Line 13:
A variety of mechanisms can give rise to sheared flow.
A variety of mechanisms can give rise to sheared flow.
The main process for sheared flow generation is generation by the turbulence itself via the Reynolds Stress mechanism.
The main process for sheared flow generation is generation by the turbulence itself via the Reynolds Stress mechanism.
<ref>[http://dx.doi.org/10.1063/1.859681 P.H. Diamond and Y.-B. Kim, ''Theory of mean poloidal flow generation by turbulence'', Phys. Fluids B '''3''' (1991) 1626]</ref>
<ref>[http://dx.doi.org/10.1088/0741-3335/43/10/308 S.B. Korsholm et al, ''Reynolds stress and shear flow generation'', Plasma Phys. Control. Fusion '''43''' (2001) 1377-1395]</ref>
<ref>[http://dx.doi.org/10.1088/0741-3335/43/10/308 S.B. Korsholm et al, ''Reynolds stress and shear flow generation'', Plasma Phys. Control. Fusion '''43''' (2001) 1377-1395]</ref>
The details of the feedback mechanism between turbulence and sheared flow are the subject of ongoing studies.
The details of the feedback mechanism between turbulence and sheared flow are the subject of ongoing studies.