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Computation of electromagnetic turbulence and anomalous transport mechanisms in tokamak plasmas

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Scott,  B. D.
Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society;

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Citation

Scott, B. D. (2003). Computation of electromagnetic turbulence and anomalous transport mechanisms in tokamak plasmas. Invited papers from the 30th European Physical Society Conference on Controlled Fusion and Plasma Physics, A385-A398. doi:10.1088/0741-3335/45/12A/025.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0027-3C48-F
Abstract
The basic scales of motion and computational requirements for low frequency fluid drift turbulence are summarized in tutorial fashion. Basic signatures for each of the competing eigenmode types are given, some of which are accessible experimentally. The emphasis is on edge turbulence since it is less intuitive. The difference in physical mechanism between linear instabilities and fully developed turbulence at the same parameters is shown. The difference in physical character from more familiar MHD models is also addressed. Experimentally, one needs to measure the fluctuating potential as well as the transported quantities in order to distinguish among physical mechanisms.