Fusion Pilot Plant performance and the role of a Sustained High Power Density tokamak

Menard, Jonathan ; Grierson, Brian ; Brown, Tom ; Rana, Chirag ; Zhai, Yuhu ; Poli, Francesca ; Maingi, Rajesh ; Guttenfelder, Walter ; Snyder, Philip
Issue date: 2022
Creative Commons Attribution 4.0 International (CC BY)
Cite as:
Menard, Jonathan, Grierson, Brian, Brown, Tom, Rana, Chirag, Zhai, Yuhu, Poli, Francesca, Maingi, Rajesh, Guttenfelder, Walter, & Snyder, Philip. (2022). Fusion Pilot Plant performance and the role of a Sustained High Power Density tokamak [Data set]. Princeton Plasma Physics Laboratory, Princeton University. https://doi.org/10.11578/1888274
  author      = {Menard, Jonathan and
                Grierson, Brian and
                Brown, Tom and
                Rana, Chirag and
                Zhai, Yuhu and
                Poli, Francesca and
                Maingi, Rajesh and
                Guttenfelder, Walter and
                Snyder, Philip},
  title       = {{Fusion Pilot Plant performance and the r
                ole of a Sustained High Power Density to
  publisher   = {{Princeton Plasma Physics Laboratory, Pri
                nceton University}},
  year        = 2022,
  url         = {https://doi.org/10.11578/1888274}

Recent U.S. fusion development strategy reports all recommend that the U.S. should pursue innovative science and technology to enable construction of a Fusion Pilot Plant (FPP) that produces net electricity from fusion at low capital cost. Compact tokamaks have been proposed as a means of potentially reducing the capital cost of a fusion pilot plant. However, compact steady-state tokamak FPPs face the challenge of integrating a high fraction of self-driven current with high core confinement, plasma pressure, and high divertor parallel heat flux. This integration is sufficiently challenging that a dedicated sustained-high-power-density (SHPD) tokamak facility is proposed by the U.S. community as the optimal way to close this integration gap. Performance projections for the steady-state tokamak FPP regime are presented and a preliminary SHPD device with substantial flexibility in lower aspect ratio (A=2-2.5), shaping, and divertor configuration to narrow gaps to a FPP is described. Original images for each of the 16 figures in the Nuclear Fusion article plus CSV or TXT files for the data in each of the figures where applicable.

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