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    MCTrans++: A 0-D Model for Centrifugal Mirrors

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    2304.01496.pdf (4.466Mb)
    Links to Files
    https://arxiv.org/abs/2304.01496
    Permanent Link
    https://doi.org/10.48550/arXiv.2304.01496
    http://hdl.handle.net/11603/29708
    Collections
    • UMBC Faculty Collection
    • UMBC Mechanical Engineering Department
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    Author/Creator
    Schwartz, Nick R.
    Abel, Ian G.
    Hassam, Adil B.
    Kelly, Myles
    Romero-Talamás, Carlos
    Author/Creator ORCID
    https://orcid.org/0000-0002-6830-3126
    Date
    2023-04-04
    Type of Work
    30 pages
    Text
    journal articles
    preprints
    Rights
    This item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
    Abstract
    The centrifugal mirror confinement scheme incorporates supersonic rotation of a plasma into a magnetic mirror device. This concept has been shown experimentally to drastically decrease parallel losses (Teodorescu et al. 2010) and increase plasma stability (Huang & Hassam 2001) as compared to prior axisymmetric mirrors. MCTrans++ is a 0D scoping tool which rapidly models experimental operating points in the Centrifugal Mirror Fusion Experiment (CMFX) at the University of Maryland. In the low-collisionality regime, parallel losses can be modelled analytically. A confining potential is set up that is partially ambipolar and partially centrifugal. Due to the stabilising effects of flowshear, the perpendicular losses can be modelled as classical. Radiation losses such as Bremsstrahlung and cyclotron are taken into account. A neutrals model is included, and in some circumstances, charge-exchange losses are found to exceed all other loss mechanisms. We use the SUNDIALS ARKODE library to solve the underlying equations of this model; the resulting software is suitable for scanning large parameter spaces, and can also be used to model time-dependent phenomenon such as a capacitive discharge. MCTrans++ has been used to verify results from prior centrifugal mirrors, create an experimental plan for CMFX, and find configurations for future reactor-scale fusion devices.


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    Albin O. Kuhn Library & Gallery
    University of Maryland, Baltimore County
    1000 Hilltop Circle
    Baltimore, MD 21250
    www.umbc.edu/scholarworks

    Contact information:
    Email: scholarworks-group@umbc.edu
    Phone: 410-455-3544


    If you wish to submit a copyright complaint or withdrawal request, please email mdsoar-help@umd.edu.