DIII-D advanced tokamak research overview

V. S. Chan; C. M. Greenfield; L. L. Lao; T. C. Luce; C. C. Petty; G. M. Staebler

doi:10.1088/0029-5515/40/6/311

DIII-D advanced tokamak research overview

V. S. Chan, C. M. Greenfield, L. L. Lao, T. C. Luce, C. C. Petty, G. M. Staebler

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

Recent progress in the development of long pulse, high performance discharges on the DIII-D tokamak is reviewed. This is highlighted by a discharge achieving simultaneously a β_NH of 9, bootstrap current fraction of 0.5 and non-inductive current fraction of 0.75, sustained for 16 energy confinement times. The physics challenge has changed in the long pulse regime. Non-ideal MHD modes limit the stability, fast ion driven modes may play a role in fast ion transport, which limits the stored energy, and plasma edge behaviour can affect the global performance. New control tools are being developed to address these issues.

Original language	English
Pages (from-to)	1137-1144
Number of pages	8
Journal	Nuclear Fusion
Volume	40
Issue number	6
DOIs	https://doi.org/10.1088/0029-5515/40/6/311
State	Published - Jun 2000
Externally published	Yes

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abstract = "Recent progress in the development of long pulse, high performance discharges on the DIII-D tokamak is reviewed. This is highlighted by a discharge achieving simultaneously a βNH of 9, bootstrap current fraction of 0.5 and non-inductive current fraction of 0.75, sustained for 16 energy confinement times. The physics challenge has changed in the long pulse regime. Non-ideal MHD modes limit the stability, fast ion driven modes may play a role in fast ion transport, which limits the stored energy, and plasma edge behaviour can affect the global performance. New control tools are being developed to address these issues.",

author = "Chan, {V. S.} and Greenfield, {C. M.} and Lao, {L. L.} and Luce, {T. C.} and Petty, {C. C.} and Staebler, {G. M.}",

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AU - Chan, V. S.

AU - Greenfield, C. M.

AU - Lao, L. L.

AU - Luce, T. C.

AU - Petty, C. C.

AU - Staebler, G. M.

PY - 2000/6

Y1 - 2000/6

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AB - Recent progress in the development of long pulse, high performance discharges on the DIII-D tokamak is reviewed. This is highlighted by a discharge achieving simultaneously a βNH of 9, bootstrap current fraction of 0.5 and non-inductive current fraction of 0.75, sustained for 16 energy confinement times. The physics challenge has changed in the long pulse regime. Non-ideal MHD modes limit the stability, fast ion driven modes may play a role in fast ion transport, which limits the stored energy, and plasma edge behaviour can affect the global performance. New control tools are being developed to address these issues.

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VL - 40

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JO - Nuclear Fusion

JF - Nuclear Fusion

IS - 6

ER -

DIII-D advanced tokamak research overview

Abstract

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