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A linear analysis of Ion Bernstein Waves (IBW) propagation and absorption is presented by considering a general tokamak plasma magnetic equilibrium. The effects of elongation, triangularity and Shafranov-shift on the RF absorption is discussed with respect to the simple case of circular and concentric magnetic surfaces. The ray-tracing equations are solved analytically and numerically in the flux surface coordinate system, and the power deposited into the plasma is calculated along the trajectory.

Additional information

Authors: CARDINALI A, ENEA, Centro Ricerche Energia Frascati, Roma (IT);RICCARDI C, Università di Milano, Dipartimento di Fisica, Sezione di Fisica del Plasma (IT)
Bibliographic Reference: Report: RT/NUCL/92/22 EN (1992) 15 pp.
Availability: Available from Servizio Studi e Documentazione, ENEA, Centro Ricerche Energia Frascati, C.P. 65-00044 Frascati, Roma (IT)
Record Number: 199310662 / Last updated on: 1994-11-29
Original language: en
Available languages: en