Density fluctuation statistics and turbulence spreading at the edge of L–mode plasmas

Density fluctuation statistics and turbulence spreading at the edge of L–mode plasmas

Long-wavelength density fluctuations ( $k{\rho _i}$ <1) are studied using beam emission spectroscopy (BES) at the edge of DIII-D L-mode plasmas ( $\rho $ = 0.88–1.1) in scenarios with electron cyclotron heating (ECH) power ramp ( ${P_{{\text{ECH}}}}$ up to 1.5 MW), neutral beam injection (NBI) po...

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Bibliographic Details
Main Authors: F.O. Khabanov, R. Hong, P. H. Diamond, G. R. Tynan, Z. Yan, G. R. McKee, C. Chrystal, F. Scotti, G. Yu, S. A. Zamperini, Y. Zhu
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:Nuclear Fusion
Subjects:
tokamak
edge density fluctuations
turbulence spreading
Online Access:https://doi.org/10.1088/1741-4326/ad820d
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