1982•Unpublished venueOpen access

Analysis of sawtooth relaxation oscillations in tokamaks

Kouji Yamazaki, K. McGuire, M. Okabayashi

Abstract

Sawtooth relaxation oscillations are analyzed using the Kadomtsev's disruption model and a thermal relaxation model. The sawtooth period is found to be very sensitive to the thermal conduction loss. Qualitative agreement between these calculations and the sawtooth period observed in several tokamaks is demonstrated.

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Key concepts: Sawtooth wave, Tokamak, Relaxation (psychology), Thermal conduction, Thermal, Physics, Mechanics, Plasma