Journal
PHYSICS OF PLASMAS
Volume 23, Issue 4, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.4947204
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Funding
- Office of Science of the U.S. Department of Energy [DE-SC0012656, DE-AC05-000R22725, DE-SC0012633, DE-FG02-95ER54309, DE-FC02-06ER54873, DE-FG02-04ER54698, DE-AC02-05CH11231]
- U.S. Department of Energy (DOE) [DE-SC0012633, DE-SC0012656] Funding Source: U.S. Department of Energy (DOE)
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Accurate prediction of fusion performance in present and future tokamaks requires taking into account the strong interplay between core transport, pedestal structure, current profile, and plasma equilibrium. An integrated modeling workflow capable of calculating the steady-state self-consistent solution to this strongly coupled problem has been developed. The workflow leverages state-of-the-art components for collisional and turbulent core transport, equilibrium and pedestal stability. Testing against a DIII-D discharge shows that the workflow is capable of robustly predicting the kinetic profiles (electron and ion temperature and electron density) from the axis to the separatrix in a good agreement with the experiments. An example application is presented, showing self-consistent optimization for the fusion performance of the 15 MA D-T ITER baseline scenario as functions of the pedestal density and ion effective charge Z(eff). Published by AIP Publishing.
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