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@ARTICLE{Han:904049,
      author       = {Han, X. and Krämer-Flecken, A. and Xiang, H. M. and
                      Vécsei, M. and Knieps, A. and Windisch, T. and Anda, G. and
                      Andreeva, T. and Bozhenkov, S. A. and Geiger, J. and Dunai,
                      D. and Trier, E. and Rahbarnia, K. and Zoletnik, S. and
                      Liang, Y. and W7-X Team, the},
      title        = {{A}pplication of the elliptic approximation model for the
                      edge turbulence rotation measurement via the poloidal
                      correlation reflectometer in {W}endelstein 7-{X}},
      journal      = {Nuclear fusion},
      volume       = {61},
      number       = {6},
      issn         = {0029-5515},
      address      = {Vienna},
      publisher    = {IAEA},
      reportid     = {FZJ-2021-05619},
      pages        = {066029 -},
      year         = {2021},
      note         = {kein Zugriff auf Postprint},
      abstract     = {The perpendicular velocity (v⊥) of turbulence is measured
                      by means of a hopping poloidal correlation reflectometer
                      diagnostic for the study of turbulence rotation in the
                      plasma edge region in Wendelstein 7-X. An elliptic
                      approximation (EA) model is applied for calculating the
                      space-time correlation in the edge region. The v⊥ profile
                      is compared in the high-ι (edge ι ≈ 1.2) and limiter
                      (edge ι < 1) configurations. It is found that the v⊥
                      gradient is inversely proportional to the heating power in
                      the high-ι configuration, which could be attributed to the
                      turbulence activities in the plasma edge. In the limiter
                      configuration, the v⊥ spike is observed near the island
                      boundary, which is corresponded to the plasma current crash.
                      In the standard configuration (edge ι ≈ 1), the v⊥
                      profile in the island region distributes as a function of
                      the perpendicular separation. With increasing of the plasma
                      current, the island enlarges the size as is referred from
                      the v⊥ scope, accompanying with steepening of the v⊥
                      gradient at the boundary of the island.},
      cin          = {IEK-4},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {134 - Plasma-Wand-Wechselwirkung (POF4-134)},
      pid          = {G:(DE-HGF)POF4-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000655413400001},
      doi          = {10.1088/1741-4326/abfb15},
      url          = {https://juser.fz-juelich.de/record/904049},
}