Experimental observations and modelling of intrinsic rotation reversals in tokamaks

A. Bortolon (PPPL); A.G. Peeters; B.P. Duval (SPC); C. Angioni (IPP); D.H. Na; E. Fable (IPP); J.E. Rice (PSFC); R.M. Mcdermott (IPP); W.A. Hornsby (IPP); Y. Camenen (PIIM)

arxiv: 1701.08095 · v1 · pith:JYWAATBQnew · submitted 2017-01-27 · ⚛️ physics.plasm-ph

Experimental observations and modelling of intrinsic rotation reversals in tokamaks

Y. Camenen (PIIM) , C. Angioni (IPP) , A. Bortolon (PPPL) , B.P. Duval (SPC) , E. Fable (IPP) , W.A. Hornsby (IPP) , R.M. Mcdermott (IPP) , D.H. Na

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Y-S. Na A.G. Peeters J.E. Rice (PSFC)

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classification ⚛️ physics.plasm-ph

keywords reversalstokamaksexperimentalmomentumobservationsrotationtransportturbulent

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The progress made in understanding spontaneous toroidal rotation reversals in tokamaks is reviewed and current ideas to solve this ten-year-old puzzle are explored. The paper includes a summarial synthesis of the experimental observations in AUG, C-Mod, KSTAR, MAST and TCV tokamaks, reasons why turbulent momentum transport is thought to be responsible for the reversals, a review of the theory of turbulent momentum transport and suggestions for future investigations.

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Experimental observations and modelling of intrinsic rotation reversals in tokamaks

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