Analysis of Cryogenic Cooling of Toroidal Field Magnets for Nuclear Fusion Reactors

Author(s)
Hamilton, Benjamin
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Massachusetts Institute of Technology. Department of Mechanical Engineering.
Advisor
Brisson, John G.
Minervini, Joseph V.
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Abstract
New developments in REBCO superconducting tape technology have enabled a new class of high-fi eld tokamak fusion reactors. Higher critical temperatures on the order of 20 K allow the magnets to operate under signifi cant thermal loads during the fusion process. As a case study, we look at the proposed SPARC toroidal field (TF) magnet design. We investigate the heat transfer inside the cooling channels and uid dynamics inside the cooling channels. System-level issues are also investigated, including impact of an insulated versus non-insulated design on cooling performance and cryodistribution architectures to provide coolant during fusion. These investigations guide the design for future high- field HTS magnets to be used in tokamak reactors.
Description
Thesis: S.M. in Mechanical Engineering, Massachusetts Institute of Technology, Department of Mechanical Engineering, February, 2021
Date issued
2021-02
URI
https://hdl.handle.net/1721.1/144277
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Publisher
Massachusetts Institute of Technology
Keywords
Mechanical Engineering.
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