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Accepted manuscript

Power and Particle Exhaust for the Infinity Two Fusion Pilot Plant

Part of: Physics Basis of the Infinity Two Fusion Power Plant

Published online by Cambridge University Press:  24 March 2025

A. Bader Open the ORCID record for A. Bader [Opens in a new window] ,
A. Ayilaran ,
J.M. Canik ,
A. De ,
W. Guttenfelder Open the ORCID record for W. Guttenfelder [Opens in a new window] ,
C.C. Hegna Open the ORCID record for C.C. Hegna [Opens in a new window] ,
M. Knilans ,
A. Malkus ,
T.S. Pedersen  and
P. Sinha
...Show all authors
A. Bader*
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
A. Ayilaran
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
J.M. Canik
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
A. De
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
W. Guttenfelder
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
C.C. Hegna
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
M. Knilans
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
A. Malkus
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
T.S. Pedersen
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
P. Sinha
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
J. Talley
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
D. Velez
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
K. Willis
Affiliation:
Type One Energy, Knoxville, TN, 37931, USA
*
†Email address for correspondence: aaron.bader@typeoneenergy.com
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Abstract

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An analysis of the divertor designs for the Infinity Two Fusion Pilot Plant (FPP) Baseline Plasma Design is presented. The divertor uses an m = 5, n = 4 magnetic island chain. Two divertor designs are presented. A classical divertor that is similar to the W7-X island divertor is analyzed using diffusive field line following and the fluid code EMC3-Lite. For a baseline 800 MW operating point in Infinity Two, the conditions where the heat flux on the divertor plate remains in the acceptable region are analyzed. In addition a related, but different and novel Large Island Backside Divertor (LIBD) design is shown. The LIBD promises improved neutral pumping by closing the divertor through the use of baffling and with a structure inside the island, thus preventing neutralized plasma particles from reentering the plasma.

Type
Research Article
Information
Journal of Plasma Physics , Accepted manuscript , pp. 1 - 30
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
© The Author(s), 2025. Published by Cambridge University Press