Please use this identifier to cite or link to this item:
http://arks.princeton.edu/ark:/88435/dsp01rf55zb85t
Title: | To dee or not to dee: costs and benefits of altering the triangularity of a steady-state DEMO-like reactor |
Contributors: | Schwartz, Jacob A. Nelson, A. O. Kolemen, Egemen U. S. Department of Energy contract number DE-AC02-09CH11466 |
Keywords: | tokamak plasma FAROES systems code CHEASE DCON cost of electricity fusion reactor economics |
Issue Date: | Apr-2022 |
Publisher: | Princeton Plasma Physics Laboratory, Princeton University |
Citation: | J. A. Schwartz, A. O. Nelson, E. Kolemen, 2022, Data related to the paper "To dee or not to dee: costs and benefits of altering the triangularity of a steady-state DEMO-like reactor", Princeton Plasma Physics Laboratory, Princeton University DataSpace, ARK ##### |
Related Publication: | Nuclear Fusion, 2022, in press |
Abstract: | Shaping a tokamak plasma to have a negative triangularity may allow operation in an ELM-free L-mode regime and with a larger strike-point radius, ameliorating divertor power-handling requirements. However, the shaping has a potential drawback in the form of a lower no-wall ideal beta limit, found using the MHD codes CHEASE and DCON. Using the new fusion systems code FAROES, we construct a steady-state DEMO2 reactor model. This model is essentially zero-dimensional and neglects variations in physical mechanisms like turbulence, confinement, and radiative power limits, which could have a substantial impact on the conclusions deduced herein. Keeping its shape otherwise constant, we alter the triangularity and compute the effects on the levelized cost of energy (LCOE). If the tokamak is limited to a fixed B field, then unless other means to increase performance (such as reduced turbulence, improved current drive efficiency or higher density operation) can be leveraged, a negative-triangularity reactor is strongly disfavored in the model due to lower \beta_N limits at negative triangularity, which leads to tripling of the LCOE. However, if the reactor is constrained by divertor heat fluxes and not by magnet engineering, then a negative-triangularity reactor with higher B0 could be favorable: we find a class of solutions at negative triangularity with lower peak heat flux and lower LCOE than those of the equivalent positive triangularity reactors. |
URI: | http://arks.princeton.edu/ark:/88435/dsp01rf55zb85t |
Referenced By: | https://doi.org/10.1088/1741-4326/ac62f6 |
Appears in Collections: | Plasma Science & Technology |
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Figure_1.pdf | 11.04 kB | Adobe PDF | View/Download | |
Figure_1_data.csv | 1.85 kB | CSV | View/Download | |
Figure_1_generation.nb | 18.12 kB | Mathematica | View/Download | |
Figure_2.pdf | 11.95 kB | Adobe PDF | View/Download | |
Figure_2_data.csv | 506 B | CSV | View/Download | |
Figure_3.pdf | 16.37 kB | Adobe PDF | View/Download | |
Figure_3_data.csv | 1.19 kB | CSV | View/Download | |
Figure_3_generation.nb | 51.56 kB | Mathematica | View/Download | |
Figure_4.pdf | 31.15 kB | Adobe PDF | View/Download | |
Figure_4_a.csv | 8.42 kB | CSV | View/Download | |
Figure_4_b.csv | 8.51 kB | CSV | View/Download | |
Figure_4_c.csv | 8.45 kB | CSV | View/Download | |
Figure_5.pdf | 34.12 kB | Adobe PDF | View/Download | |
Figure_5_scan1.csv | 1.81 kB | CSV | View/Download | |
Figure_5_scan1b.csv | 373 B | CSV | View/Download | |
Figure_5_scan2.csv | 1.81 kB | CSV | View/Download | |
Figure_5_scan3.csv | 1.82 kB | CSV | View/Download | |
Figure_5_scan4.csv | 1.8 kB | CSV | View/Download | |
Figure_6.pdf | 15.48 kB | Adobe PDF | View/Download | |
Figure_6_data.csv | 825 B | CSV | View/Download | |
Figure_7.pdf | 21.39 kB | Adobe PDF | View/Download | |
Figure_7_data.csv | 1.65 kB | CSV | View/Download | |
Figure_8.pdf | 23.24 kB | Adobe PDF | View/Download | |
Figure_8_data.csv | 2.3 kB | CSV | View/Download | |
Figure_9.pdf | 18.5 kB | Adobe PDF | View/Download | |
Figure_9_x_values.csv | 1001 B | CSV | View/Download | |
Figure_9_y_values.csv | 1012 B | CSV | View/Download | |
Figure_10.pdf | 48.86 kB | Adobe PDF | View/Download | |
Figure_10_a_contour_r.csv | 14.31 kB | CSV | View/Download | |
Figure_10_a_contour_value.csv | 21.19 kB | CSV | View/Download | |
Figure_10_a_contour_z.csv | 14.75 kB | CSV | View/Download | |
Figure_10_a_lcfs.csv | 607 B | CSV | View/Download | |
Figure_10_b_contour_r.csv | 14.31 kB | CSV | View/Download | |
Figure_10_b_contour_value.csv | 21.29 kB | CSV | View/Download | |
Figure_10_b_contour_z.csv | 14.65 kB | CSV | View/Download | |
Figure_10_b_lcfs.csv | 609 B | CSV | View/Download | |
Figure_11.pdf | 15.98 kB | Adobe PDF | View/Download | |
Figure_11_data.csv | 369 B | CSV | View/Download | |
README.txt | 2.86 kB | Text | View/Download | |
beta_stability_multipliers.py | 465 B | Unknown | View/Download | |
delta_0.0_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_0.0_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.0_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.0_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.0_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_0.0_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.1_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_0.1_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.1_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.1_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.1_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_0.1_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.2_lcoe_150.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.2_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_0.2_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.2_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.2_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.2_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_0.2_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.3_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_0.3_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.3_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.3_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.3_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_0.3_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.4_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_0.4_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.4_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.4_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.4_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_0.4_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.5_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_0.5_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.5_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.5_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.5_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_0.5_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.6_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_0.6_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.6_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.6_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_0.6_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_0.6_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.1_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.1_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.1_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.1_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.1_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.1_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.2_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.2_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.2_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.2_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.2_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.2_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.3_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.3_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.3_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.3_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.3_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.3_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.4_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.4_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.4_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.4_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.4_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.4_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.5_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.5_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.5_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.5_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.5_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.5_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.6_lcoe_150.0.sql | 1.12 MB | Unknown | View/Download | |
delta_-0.6_lcoe_199.2.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.6_lcoe_249.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.6_lcoe_250.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.6_lcoe_332.0.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.6_lcoe_398.4.sql | 1.18 MB | Unknown | View/Download | |
delta_-0.6_lcoe_498.0.sql | 1.18 MB | Unknown | View/Download | |
Figure_9_analysis.py | 8.9 kB | Unknown | View/Download | |
Figure_9_DEMO.yaml | 8.49 kB | Unknown | View/Download | |
Figure_9_FAROES_script.py | 6.01 kB | Unknown | View/Download | |
tokamak_model.py | 15.31 kB | Unknown | View/Download |
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