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A review is presented of the most important microinstability based models of anomalous transport. Possible experimental evidence in favour of electrostatic or electromagnetic turbulence is discussed. Focusing attention on the n(i)-mode driven transport [n(i) = d ln T(i)/d ln n], the most relevant results of the stability analysis of such modes are reviewed and discussed in connection with the improved confinement regimes observed in the presence of peaked density profiles. Then, after a brief analysis of the other microinstability based models, the connection with the scaling laws for the global energy confinement time is investigated.

Additional information

Authors: ROMANELLI F, ENEA, Centro Ricerche Energia Frascati, Roma (IT)
Bibliographic Reference: Report: RT/FUS/89/5 EN (1989) 20 pp.
Availability: Available from Servizio Studi e Documentazione, ENEA, Centro Ricerche Energia Frascati, C.P.65-00044 Frascati, Roma (IT)
Record Number: 199010343 / Last updated on: 1994-12-01
Original language: en
Available languages: en
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