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Title: Stabilization of Sawtooth Oscillations by the Circulating Energetic Ions

Abstract

The influence of the well-circulating energetic ions on the ideal kink instability and semi-collisional tearing mode are studied. It is found that the precession of these ions can be a key factor that affects the instability: it can lead to the stabilization of the mentioned instabilities, the effect being weakly dependent on the direction of the injection. The developed theory is consistent with the experimental observations of the stabilization of sawtooth oscillations during the negative-ion-based neutral beam injection in JT-60U.

Authors:
; ;
Publication Date:
Research Org.:
Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
Sponsoring Org.:
USDOE Office of Science (SC) (US)
OSTI Identifier:
828012
Report Number(s):
PPPL-3962
TRN: US0403627
DOE Contract Number:  
AC02-76CH03073
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 26 May 2004
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 74 ATOMIC AND MOLECULAR PHYSICS; BEAM INJECTION; INSTABILITY; KINK INSTABILITY; PRECESSION; SAWTOOTH OSCILLATIONS; STABILIZATION; TAIL IONS; RESISTIVE INSTABILITIES; STABILIZATION, DYNAMIC

Citation Formats

Kolesnichenko, Ya I, Marchenko, V S, and White, R B. Stabilization of Sawtooth Oscillations by the Circulating Energetic Ions. United States: N. p., 2004. Web. doi:10.2172/828012.
Kolesnichenko, Ya I, Marchenko, V S, & White, R B. Stabilization of Sawtooth Oscillations by the Circulating Energetic Ions. United States. https://doi.org/10.2172/828012
Kolesnichenko, Ya I, Marchenko, V S, and White, R B. 2004. "Stabilization of Sawtooth Oscillations by the Circulating Energetic Ions". United States. https://doi.org/10.2172/828012. https://www.osti.gov/servlets/purl/828012.
@article{osti_828012,
title = {Stabilization of Sawtooth Oscillations by the Circulating Energetic Ions},
author = {Kolesnichenko, Ya I and Marchenko, V S and White, R B},
abstractNote = {The influence of the well-circulating energetic ions on the ideal kink instability and semi-collisional tearing mode are studied. It is found that the precession of these ions can be a key factor that affects the instability: it can lead to the stabilization of the mentioned instabilities, the effect being weakly dependent on the direction of the injection. The developed theory is consistent with the experimental observations of the stabilization of sawtooth oscillations during the negative-ion-based neutral beam injection in JT-60U.},
doi = {10.2172/828012},
url = {https://www.osti.gov/biblio/828012}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed May 26 00:00:00 EDT 2004},
month = {Wed May 26 00:00:00 EDT 2004}
}