Integrated modeling of high βN steady state scenario on DIII-D
Abstract
Theory-based integrated modeling validated against DIII-D experiments predicts that fully non-inductive DIII-D operation with βN > 4.5 is possible with certain upgrades. IPS-FASTRAN is a new iterative numerical procedure that integrates models of core transport, edge pedestal, equilibrium, stability, heating, and current drive self-consistently to find steady-state (d/dt = 0) solutions and reproduces most features of DIII-D high βN discharges with a stationary current profile. Projecting forward to scenarios possible on DIII-D with future upgrades, the high qmin > 2 scenario achieves stable operation at βN as high as 5 by using a very broad current density profile to improve the ideal-wall stabilization of low-n instabilities along with confinement enhancement from low magnetic shear. This modeling guides the necessary upgrades of the heating and current drive system to realize reactor-relevant high βN steady-state scenarios on DIII-D by simultaneous optimization of the current and pressure profiles.
- Authors:
-
- Oak Ridge National Lab., Oak Ridge, TN (United States)
- General Atomics, San Diego, CA (United States)
- Lawrence Livermore National Lab., Livermore, CA (United States)
- Seoul National Univ., Seoul (South Korea)
- Publication Date:
- Research Org.:
- General Atomics, San Diego, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Fusion Energy Sciences (FES); USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1420378
- Alternate Identifier(s):
- OSTI ID: 1416464; OSTI ID: 1502048; OSTI ID: 1649653
- Report Number(s):
- LLNL-JRNL-752091
Journal ID: ISSN 1070-664X; TRN: US1801486
- Grant/Contract Number:
- FC02-04ER54698; AC02-05CH11231; AC05-00OR22725; FG02-95ER54309; FG02-95ER54698
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 25; Journal Issue: 1; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Citation Formats
Park, Jin Myung, Ferron, J. R., Holcomb, Christopher T., Buttery, Richard J., Solomon, Wayne M., Batchelor, D. B., Elwasif, W., Green, D. L., Kim, K., Meneghini, Orso, Murakami, M., and Snyder, Phil B. Integrated modeling of high βN steady state scenario on DIII-D. United States: N. p., 2018.
Web. doi:10.1063/1.5013021.
Park, Jin Myung, Ferron, J. R., Holcomb, Christopher T., Buttery, Richard J., Solomon, Wayne M., Batchelor, D. B., Elwasif, W., Green, D. L., Kim, K., Meneghini, Orso, Murakami, M., & Snyder, Phil B. Integrated modeling of high βN steady state scenario on DIII-D. United States. https://doi.org/10.1063/1.5013021
Park, Jin Myung, Ferron, J. R., Holcomb, Christopher T., Buttery, Richard J., Solomon, Wayne M., Batchelor, D. B., Elwasif, W., Green, D. L., Kim, K., Meneghini, Orso, Murakami, M., and Snyder, Phil B. Wed .
"Integrated modeling of high βN steady state scenario on DIII-D". United States. https://doi.org/10.1063/1.5013021. https://www.osti.gov/servlets/purl/1420378.
@article{osti_1420378,
title = {Integrated modeling of high βN steady state scenario on DIII-D},
author = {Park, Jin Myung and Ferron, J. R. and Holcomb, Christopher T. and Buttery, Richard J. and Solomon, Wayne M. and Batchelor, D. B. and Elwasif, W. and Green, D. L. and Kim, K. and Meneghini, Orso and Murakami, M. and Snyder, Phil B.},
abstractNote = {Theory-based integrated modeling validated against DIII-D experiments predicts that fully non-inductive DIII-D operation with βN > 4.5 is possible with certain upgrades. IPS-FASTRAN is a new iterative numerical procedure that integrates models of core transport, edge pedestal, equilibrium, stability, heating, and current drive self-consistently to find steady-state (d/dt = 0) solutions and reproduces most features of DIII-D high βN discharges with a stationary current profile. Projecting forward to scenarios possible on DIII-D with future upgrades, the high qmin > 2 scenario achieves stable operation at βN as high as 5 by using a very broad current density profile to improve the ideal-wall stabilization of low-n instabilities along with confinement enhancement from low magnetic shear. This modeling guides the necessary upgrades of the heating and current drive system to realize reactor-relevant high βN steady-state scenarios on DIII-D by simultaneous optimization of the current and pressure profiles.},
doi = {10.1063/1.5013021},
journal = {Physics of Plasmas},
number = 1,
volume = 25,
place = {United States},
year = {Wed Jan 10 00:00:00 EST 2018},
month = {Wed Jan 10 00:00:00 EST 2018}
}
Web of Science
Figures / Tables:
Works referenced in this record:
Improving fast-ion confinement in high-performance discharges by suppressing Alfvén eigenmodes
journal, March 2017
- Kramer, G. J.; Podestà, M.; Holcomb, C.
- Nuclear Fusion, Vol. 57, Issue 5
Synergism between cross-section and profile shaping in beta optimization of tokamak equilibria with negative central shear
journal, October 1998
- Turnbull, A. D.; Taylor, T. S.; Chu, M. S.
- Nuclear Fusion, Vol. 38, Issue 10
Equilibrium analysis of current profiles in tokamaks
journal, June 1990
- Lao, L. L.; Ferron, J. R.; Groebner, R. J.
- Nuclear Fusion, Vol. 30, Issue 6
Improved confinement and stability in the DIII‐D tokamak obtained through modification of the current profile*
journal, July 1993
- Ferron, J. R.; Lao, L. L.; Taylor, T. S.
- Physics of Fluids B: Plasma Physics, Vol. 5, Issue 7
Sensitivity of the kink instability to the pressure profile
journal, March 1992
- Howl, W.; Turnbull, A. D.; Taylor, T. S.
- Physics of Fluids B: Plasma Physics, Vol. 4, Issue 7
A first-principles predictive model of the pedestal height and width: development, testing and ITER optimization with the EPED model
journal, August 2011
- Snyder, P. B.; Groebner, R. J.; Hughes, J. W.
- Nuclear Fusion, Vol. 51, Issue 10
Effect of finite aspect ratio on the neoclassical ion thermal conductivity in the banana regime
journal, January 1982
- Chang, C. S.
- Physics of Fluids, Vol. 25, Issue 9
Predictions of toroidal rotation and torque sources arising in non-axisymmetric perturbed magnetic fields in tokamaks
journal, August 2017
- Honda, M.; Satake, S.; Suzuki, Y.
- Nuclear Fusion, Vol. 57, Issue 11
Neoclassical conductivity and bootstrap current formulas for general axisymmetric equilibria and arbitrary collisionality regime
journal, July 1999
- Sauter, O.; Angioni, C.; Lin-Liu, Y. R.
- Physics of Plasmas, Vol. 6, Issue 7
Progress toward fully noninductive discharge operation in DIII-D using off-axis neutral beam injection
journal, September 2013
- Ferron, J. R.; Holcomb, C. T.; Luce, T. C.
- Physics of Plasmas, Vol. 20, Issue 9
Electron temperature gradient driven turbulence
journal, May 2000
- Jenko, F.; Dorland, W.; Kotschenreuther, M.
- Physics of Plasmas, Vol. 7, Issue 5
The first transport code simulations using the trapped gyro-Landau-fluid model
journal, May 2008
- Kinsey, J. E.; Staebler, G. M.; Waltz, R. E.
- Physics of Plasmas, Vol. 15, Issue 5
Gyrofluid simulations of turbulence suppression in reversed-shear experiments on the Tokamak Fusion Test Reactor
journal, May 1997
- Beer, M. A.; Hammett, G. W.; Rewoldt, G.
- Physics of Plasmas, Vol. 4, Issue 5
Sensitivity of transport and stability to the current profile in steady-state scenario plasmas in DIII-D
journal, December 2012
- Turco, F.; Holcomb, C. T.; Ferron, J. R.
- Physics of Plasmas, Vol. 19, Issue 12
Role of E×B flow shear on confinement enhancement in DIII-D high internal inductance discharges with high-confinement edge
journal, April 1998
- Lao, L. L.; La Haye, R. J.; Burrell, K. H.
- Physics of Plasmas, Vol. 5, Issue 4
Optimization of DIII-D advanced tokamak discharges with respect to the β limit
journal, May 2005
- Ferron, J. R.; Casper, T. A.; Doyle, E. J.
- Physics of Plasmas, Vol. 12, Issue 5
Current density evolution in electron internal transport barrier discharges in TCV
journal, December 2008
- Zucca, C.; Sauter, O.; Asp, E.
- Plasma Physics and Controlled Fusion, Vol. 51, Issue 1
The high-βN hybrid scenario for ITER and FNSF steady-state missionsa)
journal, May 2015
- Turco, F.; Petty, C. C.; Luce, T. C.
- Physics of Plasmas, Vol. 22, Issue 5
Advances in the steady-state hybrid regime in DIII-D—a fully non-inductive, ELM-suppressed scenario for ITER
journal, August 2017
- Petty, C. C.; Nazikian, R.; Park, J. M.
- Nuclear Fusion, Vol. 57, Issue 11
Electron cyclotron current drive efficiency in general tokamak geometry
journal, October 2003
- Lin-Liu, Y. R.; Chan, V. S.; Prater, R.
- Physics of Plasmas, Vol. 10, Issue 10
Steady state scenario development with elevated minimum safety factor on DIII-D
journal, August 2014
- Holcomb, C. T.; Ferron, J. R.; Luce, T. C.
- Nuclear Fusion, Vol. 54, Issue 9
High internal inductance for steady-state operation in ITER and a reactor
journal, June 2015
- Ferron, J. R.; Holcomb, C. T.; Luce, T. C.
- Nuclear Fusion, Vol. 55, Issue 7
Integrated modelling of steady-state scenarios and heating and current drive mixes for ITER
journal, August 2011
- Murakami, M.; Park, J. M.; Giruzzi, G.
- Nuclear Fusion, Vol. 51, Issue 10
The effect of safety factor and magnetic shear on turbulent transport in nonlinear gyrokinetic simulations
journal, February 2006
- Kinsey, J. E.; Waltz, R. E.; Candy, J.
- Physics of Plasmas, Vol. 13, Issue 2
Access to sustained high-beta with internal transport barrier and negative central magnetic shear in DIII-D
journal, May 2006
- Garofalo, A. M.; Doyle, E. J.; Ferron, J. R.
- Physics of Plasmas, Vol. 13, Issue 5
Progress toward fully noninductive, high beta conditions in DIII-D
journal, May 2006
- Murakami, M.; Wade, M. R.; Greenfield, C. M.
- Physics of Plasmas, Vol. 13, Issue 5
The EPED pedestal model and edge localized mode-suppressed regimes: Studies of quiescent H-mode and development of a model for edge localized mode suppression via resonant magnetic perturbations
journal, May 2012
- Snyder, P. B.; Osborne, T. H.; Burrell, K. H.
- Physics of Plasmas, Vol. 19, Issue 5
Current relaxation time scales in toroidal plasmas
journal, February 1989
- Mikkelsen, D. R.
- Physics of Fluids B: Plasma Physics, Vol. 1, Issue 2
Advances in the simulation of toroidal gyro‐Landau fluid model turbulence
journal, June 1995
- Waltz, R. E.; Kerbel, G. D.; Milovich, J.
- Physics of Plasmas, Vol. 2, Issue 6
Internal transport barriers in tokamak plasmas*
journal, November 2002
- Wolf, R. C.
- Plasma Physics and Controlled Fusion, Vol. 45, Issue 1
Realizing steady-state tokamak operation for fusion energy
journal, March 2011
- Luce, T. C.
- Physics of Plasmas, Vol. 18, Issue 3
Development and validation of a predictive model for the pedestal height
journal, May 2009
- Snyder, P. B.; Groebner, R. J.; Leonard, A. W.
- Physics of Plasmas, Vol. 16, Issue 5
Chapter 6: Steady state operation
journal, June 2007
- Gormezano, C.; Sips, A. C. C.; Luce, T. C.
- Nuclear Fusion, Vol. 47, Issue 6
A theory-based transport model with comprehensive physics
journal, May 2007
- Staebler, G. M.; Kinsey, J. E.; Waltz, R. E.
- Physics of Plasmas, Vol. 14, Issue 5
The tokamak Monte Carlo fast ion module NUBEAM in the National Transport Code Collaboration library
journal, June 2004
- Pankin, Alexei; McCune, Douglas; Andre, Robert
- Computer Physics Communications, Vol. 159, Issue 3
An efficient transport solver for tokamak plasmas
journal, May 2017
- Park, J. M.; Murakami, M.; St. John, H. E.
- Computer Physics Communications, Vol. 214
The ARIES Advanced and Conservative Tokamak Power Plant Study
journal, January 2015
- Kessel, C. E.; Tillack, M. S.; Najmabadi, F.
- Fusion Science and Technology, Vol. 67, Issue 1
Fast-ion transport in qmin>2, high-
β steady-state scenarios on DIII-Da)
journal, May 2015
- Holcomb, C. T.; Heidbrink, W. W.; Ferron, J. R.
- Physics of Plasmas, Vol. 22, Issue 5
The ARIES-AT advanced tokamak, Advanced technology fusion power plant
journal, January 2006
- Najmabadi, Farrokh; Abdou, A.; Bromberg, L.
- Fusion Engineering and Design, Vol. 80, Issue 1-4
Optimizing stability, transport, and divertor operation through plasma shaping for steady-state scenario development in DIII-D
journal, May 2009
- Holcomb, C. T.; Ferron, J. R.; Luce, T. C.
- Physics of Plasmas, Vol. 16, Issue 5
Integrated fusion simulation with self-consistent core-pedestal coupling
journal, April 2016
- Meneghini, O.; Snyder, P. B.; Smith, S. P.
- Physics of Plasmas, Vol. 23, Issue 4
Works referencing / citing this record:
Initial transport and turbulence analysis and gyrokinetic simulation validation in NSTX-U L-mode plasmas
journal, April 2019
- Guttenfelder, W.; Kaye, S. M.; Kriete, D. M.
- Nuclear Fusion, Vol. 59, Issue 5
Analysis of Alfven eigenmode destabilization in ITER using a Landau closure model
journal, June 2019
- Varela, J.; Spong, D. A.; Garcia, L.
- Nuclear Fusion, Vol. 59, Issue 7
Analysis of Alfven Eigenmode destabilization in ITER using a Landau closure model
text, January 2019
- Varela, J.; Spong, D. A.; Garcia, L.
- arXiv
Figures / Tables found in this record: