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Plasma Physics Controlled Fusion

Survey of Type I ELM dynamics measurements

  Leonard, A.W., N. Asakura, J.A. Boedo, M. Becoulet, G.F. Counsell, T. Eich, W. Fundamenski, A. Herrmann, L.D. Horton, Y. Kamada, A. Kirk, B. Kurzan, A. Loarte, J. Neuhauser, I. Nunes, N. Oyama, R.A. Pitts, G. Saibene, C. Silva, P.B. Snyder, H. Urano, M.R. Wade e H.R. Wilson pelo Pedestal and Edge Physics ITPA Topical Group
  2006
  DOI
 
Resumo
 
This report summarizes Type I edge localized mode (ELM) dynamics measurements from a number of tokamaks, including ASDEX-Upgrade, DIIID,
JET, JT-60U and MAST, with the goal of providing guidance and insight for the development of ELM simulation and modelling. Several transport
mechanisms are conjectured to be responsible for ELM transport, including convective transport due to filamentary structures ejected from the pedestal, parallel transport due to edge ergodization or magnetic reconnection and turbulent transport driven by the high edge gradients when the radial electric field shear is suppressed. The experimental observations are assessed for their validation, or conflict, with these ELM transport conjectures.

 

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