q measurements during sawtooth oscillations in a low q tokamak

R. A. Moyer; J. A. Goetz; R. N. Dexter; S. C. Prager

doi:10.1063/1.859078

q measurements during sawtooth oscillations in a low q tokamak

R. A. Moyer, J. A. Goetz, R. N. Dexter, S. C. Prager

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4 Scopus citations

Abstract

The central safety factor during a sawtooth oscillation in material limiter tokamak discharges (scrapeoff plates inserted to the separatrix) in the TOKAPOLE II poloidal divertor tokamak [Phys. Rev. Lett. 49, 734 (1982)] is measured to be significantly less than 1 (approximately 0.7) during a sawtooth oscillation. This result is identical to that observed earlier in the same device in magnetic limiter discharges. Thus the presence of scrapeoff plasma beyond the divertor separatrix is not responsible for the absence of total reconnection.

Original language	English (US)
Pages (from-to)	2139-2141
Number of pages	3
Journal	Physics of Fluids B
Volume	1
Issue number	11
DOIs	https://doi.org/10.1063/1.859078
State	Published - 1989

All Science Journal Classification (ASJC) codes

Computational Mechanics
Condensed Matter Physics
Mechanics of Materials
Physics and Astronomy(all)
Fluid Flow and Transfer Processes

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abstract = "The central safety factor during a sawtooth oscillation in material limiter tokamak discharges (scrapeoff plates inserted to the separatrix) in the TOKAPOLE II poloidal divertor tokamak [Phys. Rev. Lett. 49, 734 (1982)] is measured to be significantly less than 1 (approximately 0.7) during a sawtooth oscillation. This result is identical to that observed earlier in the same device in magnetic limiter discharges. Thus the presence of scrapeoff plasma beyond the divertor separatrix is not responsible for the absence of total reconnection.",

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AU - Moyer, R. A.

AU - Goetz, J. A.

AU - Dexter, R. N.

AU - Prager, S. C.

PY - 1989

Y1 - 1989

N2 - The central safety factor during a sawtooth oscillation in material limiter tokamak discharges (scrapeoff plates inserted to the separatrix) in the TOKAPOLE II poloidal divertor tokamak [Phys. Rev. Lett. 49, 734 (1982)] is measured to be significantly less than 1 (approximately 0.7) during a sawtooth oscillation. This result is identical to that observed earlier in the same device in magnetic limiter discharges. Thus the presence of scrapeoff plasma beyond the divertor separatrix is not responsible for the absence of total reconnection.

AB - The central safety factor during a sawtooth oscillation in material limiter tokamak discharges (scrapeoff plates inserted to the separatrix) in the TOKAPOLE II poloidal divertor tokamak [Phys. Rev. Lett. 49, 734 (1982)] is measured to be significantly less than 1 (approximately 0.7) during a sawtooth oscillation. This result is identical to that observed earlier in the same device in magnetic limiter discharges. Thus the presence of scrapeoff plasma beyond the divertor separatrix is not responsible for the absence of total reconnection.

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q measurements during sawtooth oscillations in a low q tokamak

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