Improved derivation of shear stabilization of the universal mode in slab geometry using asymptotic techniques

Journal Article · Thu Mar 01 00:00:00 EST 1984 · Phys. Fluids; (United States)

DOI:https://doi.org/10.1063/1.864664· OSTI ID:5089291

Briguglio, S; Romanelli, F

The problem of the stability of the universal mode in a sheared magnetic field is considered using the method of matched asymptotic expansions, which, among the analytical approaches, can perhaps provide the clearest physical insight. An eigenvalue equation is derived predicting marginal stability in the limit in which previous papers using the same technique find instability. The discrepancy is explained by showing that the analysis used therein is applicable only in the stability regime.

• Research Organization: Associazione EURATOM-ENEA sulla Fusione, Centro Ricerche Energia Frascati, 00044 Frascati, Rome, Italy
• OSTI ID: 5089291
• Journal Information: Phys. Fluids; (United States), Vol. 27:3
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
DRIFT INSTABILITY
STABILIZATION
TOKAMAK DEVICES
ASYMPTOTIC SOLUTIONS
EIGENVALUES
EQUATIONS
MAGNETIC FIELDS
PLASMA
PLASMA INSTABILITY
SERIES EXPANSION
SHEAR
SLABS
CLOSED PLASMA DEVICES
INSTABILITY
PLASMA MICROINSTABILITIES
THERMONUCLEAR DEVICES
700107* - Fusion Energy- Plasma Research- Instabilities