Mini-Conference: Modeling of Material Evolution During Low-Energy H and He Plasma Exposure

ORAL · TM09 · ID: 21922

Presentations

  • Continuum-scale Modeling of Surface Morphological Response of Plasma-Facing Tungsten

    ORAL

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    Publication: 1. D. Dasgupta, R.D. Kolasinski, R.W. Friddle, L. Du, D. Maroudas, and B.D. Wirth, "On the origin of 'fuzz' formation in plasma-facing materials," Nuclear Fusion 59, Article No. 086057, 11 pages (2019).
    2. D. Dasgupta, D. Maroudas, and B.D. Wirth, "Prediction of temperature range for the onset of fuzz formation in helium-plasma-implanted tungsten," Surface Science 698, Article No. 121614, 7 pages (2020).
    3. C.-S. Chen, D. Dasgupta, A. Weerasinghe, B.D. Wirth, and D. Maroudas, "Effects of elastic softening and helium accumulation kinetics on surface morphological evolution of plasma-facing tungsten," Nuclear Fusion 61, Article No. 016016, 11 pages (2021).
    4. C.-S. Chen, D. Dasgupta, B.D. Wirth, and D. Maroudas, "Hole formation effect on surface morphological response of plasma-facing tungsten," Journal of Applied Physics 129, Article No. 193302, 12 pages (2021).
    5. C.-S. Chen, D. Dasgupta, R.D. Kolasinski, B.D. Wirth, and D. Maroudas, "Onset of fuzz formation in plasma-facing tungsten as a surface morphological instability," under review (2021).

    Presenters

    • Dwaipayan Dasgupta

      University of Tennessee, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA

    Authors

    • Dwaipayan Dasgupta

      University of Tennessee, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA

    • Chao-Shou Chen

      Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA

    • Brian D Wirth

      University of Tennessee, University of Tennessee Knoxville, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA; Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA

    • Dimitrios Maroudas

      University of Massachusetts Amherst, Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA

    View abstract →

  • Mechanical Properties of Plasma-Exposed Tungsten

    ORAL

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    Publication: A. Weerasinghe, B. D. Wirth, and D. Maroudas, ACS Appl. Mater. Interfaces 12, 22287 (2020)

    Presenters

    • Asanka T Weerasinghe

      University of Massachusetts Amherst

    Authors

    • Asanka T Weerasinghe

      University of Massachusetts Amherst

    • Brian D Wirth

      University of Tennessee, University of Tennessee Knoxville, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA; Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA

    • Dimitrios Maroudas

      University of Massachusetts Amherst, Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA

    View abstract →

  • Pressure-based Helium Bubble Bursting Modeling

    ORAL

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    Presenters

    • Wahyu Setyawan

      Pacific Northwest Natl Lab

    Authors

    • Wahyu Setyawan

      Pacific Northwest Natl Lab

    • Giridhar Nandipati

      Pacific Northwest National Laboratory

    • Dwaipayan Dasgupta

      University of Tennessee, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA

    • Dimitrios Maroudas

      University of Massachusetts Amherst, Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA

    • Karl D Hammond

      University of Missouri, Columbia, MO, University of Missouri

    • Sophie Blondel

      University of Tennessee

    • Brian D Wirth

      University of Tennessee, University of Tennessee Knoxville, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA; Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA

    View abstract →

  • Improving the Bubble Bursting Model in Cluster Dynamics Simulations of Low-Energy Helium Plasma-Exposed Tungsten

    ORAL

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    Presenters

    • Sophie Blondel

      University of Tennessee

    Authors

    • Sophie Blondel

      University of Tennessee

    • Dwaipayan Dasgupta

      University of Tennessee, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA

    • Yogendra S Panchal

      University of Tennessee

    • Brian D Wirth

      University of Tennessee, University of Tennessee Knoxville, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA; Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA

    View abstract →