Doubling fusion power with volumetric optimization in magnetic confinement fusion devices

Parisi, J. F.; Berkery, J. W.; Sladkomedova, A.; Guizzo, S.; Hardman, M. R.; Ball, J. R.; Nelson, A. O.; Kaye, S. M.; Anastopoulos-Tzanis, M.; McNamara, S. M.; Dominski, J.; Janhunen, S.; Romanelli, M.; Dickinson, D.; Diallo, A.; Dnestrovskii, A.; Guttenfelder, W.; Hansen, C.; Myatra, O.; Wilson, H. R.

doi:10.1103/physrevresearch.7.013139

Title: Doubling fusion power with volumetric optimization in magnetic confinement fusion devices

Journal Article · 06 February 2025 · Physical Review Research

DOI: https://doi.org/10.1103/physrevresearch.7.013139 · OSTI ID:2513534

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Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
Tokamak Energy Ltd., Oxford (United Kingdom)
Columbia University, New York, NY (United States)
Ecole Polytechnique Federale de Lausanne
Columbia Univ., New York, NY (United States)
University of York (United Kingdom)
Type One Energy, Middleton, WI (United States); Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
United Kingdom Atomic Energy Authority (UKAEA), Abingdon (United Kingdom)
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

A technique, volumetric power optimization, is presented for enhancing the power output of magnetic confinement fusion devices. Applied to a tokamak, this approach involves shifting the burning plasma region to a larger plasma volume while introducing minimal perturbations to the plasma boundary shape. This edge perturbation—squareness—is analogous to pinching and stretching the edge boundary. Stability calculations confirm that this edge alteration is compatible with maintaining plasma stability. This optimization method for optimizing fusion power output could improve the performance of magnetic confinement fusion power plants.

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Research Organization:: Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC), Fusion Energy Sciences (FES)

Grant/Contract Number:: AC02-09CH11466; SC0022270; SC0022272

OSTI ID:: 2513534

Journal Information:: Physical Review Research, Journal Name: Physical Review Research Journal Issue: 1 Vol. 7; ISSN 2643-1564

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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