DIII-D Research to Prepare for Steady State Advanced Tokamak Power Plants
Abstract
In this paper, we review progress made on the advanced tokamak path to fusion energy by the DIII-D National Fusion Facility [J.L. Luxon et al. Nucl. Fusion 42 (2002) 614]. The advanced tokamak represents a highly attractive approach for a future steady state fusion power plant. In this concept, there is a natural alignment between high pressure operation, favorable stability and transport properties, and a highly self-driven (‘bootstrap’) plasma current to sustain operation efficiently and without disruptions. Research on DIII-D has identified several promising plasma configurations for fully non-inductive operation with potential applications to a range of future devices, from ITER to nuclear science facilities, to compact or large scale fusion power plants. Significant progress has been made toward realizing these scenarios, with the demonstration of high b access, off-axis current drive techniques, model based profile control, and stability and ELM control in reactor relevant physics regimes. Radiative techniques have also been pioneered to develop improved compatibility with divertor requirements, and simultaneous access to high performance pedestals. Research has also developed major advances in physics understanding, validating concepts of kinetic damping of ideal MHD instabilities that enable high b operation, identifying how current profile and b influence plasma turbulence inmore »
- Authors:
- Publication Date:
- Research Org.:
- General Atomics, San Diego, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1619446
- Alternate Identifier(s):
- OSTI ID: 1477170; OSTI ID: 1838269
- Report Number(s):
- LLNL-JRNL-830409
Journal ID: ISSN 0164-0313; PII: 185
- Grant/Contract Number:
- FC02-04ER54698; AC05-00OR22725; AC52-07NA27344
- Resource Type:
- Published Article
- Journal Name:
- Journal of Fusion Energy
- Additional Journal Information:
- Journal Name: Journal of Fusion Energy Journal Volume: 38 Journal Issue: 1; Journal ID: ISSN 0164-0313
- Publisher:
- Springer Science + Business Media
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Steady state; Advanced tokamak; Fusion; Energy; DIII-D
Citation Formats
Buttery, R. J., Covele, B., Ferron, J., Garofalo, A., Holcomb, C. T., Leonard, T., Park, J. M., Petrie, T., Petty, C., Staebler, G., Strait, E. J., and Van Zeeland, M. DIII-D Research to Prepare for Steady State Advanced Tokamak Power Plants. United States: N. p., 2018.
Web. doi:10.1007/s10894-018-0185-y.
Buttery, R. J., Covele, B., Ferron, J., Garofalo, A., Holcomb, C. T., Leonard, T., Park, J. M., Petrie, T., Petty, C., Staebler, G., Strait, E. J., & Van Zeeland, M. DIII-D Research to Prepare for Steady State Advanced Tokamak Power Plants. United States. https://doi.org/10.1007/s10894-018-0185-y
Buttery, R. J., Covele, B., Ferron, J., Garofalo, A., Holcomb, C. T., Leonard, T., Park, J. M., Petrie, T., Petty, C., Staebler, G., Strait, E. J., and Van Zeeland, M. Mon .
"DIII-D Research to Prepare for Steady State Advanced Tokamak Power Plants". United States. https://doi.org/10.1007/s10894-018-0185-y.
@article{osti_1619446,
title = {DIII-D Research to Prepare for Steady State Advanced Tokamak Power Plants},
author = {Buttery, R. J. and Covele, B. and Ferron, J. and Garofalo, A. and Holcomb, C. T. and Leonard, T. and Park, J. M. and Petrie, T. and Petty, C. and Staebler, G. and Strait, E. J. and Van Zeeland, M.},
abstractNote = {In this paper, we review progress made on the advanced tokamak path to fusion energy by the DIII-D National Fusion Facility [J.L. Luxon et al. Nucl. Fusion 42 (2002) 614]. The advanced tokamak represents a highly attractive approach for a future steady state fusion power plant. In this concept, there is a natural alignment between high pressure operation, favorable stability and transport properties, and a highly self-driven (‘bootstrap’) plasma current to sustain operation efficiently and without disruptions. Research on DIII-D has identified several promising plasma configurations for fully non-inductive operation with potential applications to a range of future devices, from ITER to nuclear science facilities, to compact or large scale fusion power plants. Significant progress has been made toward realizing these scenarios, with the demonstration of high b access, off-axis current drive techniques, model based profile control, and stability and ELM control in reactor relevant physics regimes. Radiative techniques have also been pioneered to develop improved compatibility with divertor requirements, and simultaneous access to high performance pedestals. Research has also developed major advances in physics understanding, validating concepts of kinetic damping of ideal MHD instabilities that enable high b operation, identifying how current profile and b influence plasma turbulence in order to validate and improve turbulent transport models, and understanding the physics of energetic particle redistribution due to Alfvénic and other instabilities. These advances have been partnered with development of a rigorous integrated modeling framework used to interpret and validate individual physics models of the various aspects of plasma behavior, and to guide development of improved regimes and upgrades. These tools are also being used to develop and validate concepts for future reactors directly. In conclusion, having established these foundations, DIII-D is now undergoing a substantial upgrade to raise power, current drive, electron heating and 3-D field capabilities in order to validate this physics and test conceptual solutions in reactor-relevant physics regimes, with a goal to resolve the key scientific and technology questions to enable a decision on a future steady state fusion power plant.},
doi = {10.1007/s10894-018-0185-y},
journal = {Journal of Fusion Energy},
number = 1,
volume = 38,
place = {United States},
year = {Mon Sep 03 00:00:00 EDT 2018},
month = {Mon Sep 03 00:00:00 EDT 2018}
}
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Works referencing / citing this record:
Dominant two-fluid magnetohydrodynamic instabilities in CFETR upgrade phase-I scenario in presence of perfect conducting wall
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- Plasma Physics and Controlled Fusion, Vol. 61, Issue 4
DIII-D research towards establishing the scientific basis for future fusion reactors
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- Nuclear Fusion, Vol. 59, Issue 11