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Physical and Numerical Model for Calculation of Ensembles of Trajectories of Dust Particles in a Tokamak

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Abstract

The calculation of the trajectories and main physical parameters (e.g. mass, temperature, electric potential) of an ensemble of several representative dust particles has recently emerged as an important problem in the physics of tokamaks, with the aim of studying their role as a source of impurities in a thermonuclear plasma and their effects in the interaction with the first wall. The physical problem despite its apparent simple goals, is fraught with difficulties related to various subtle physical processes and requires the development of specific accurate numerical tools. In this work, the key physics aspects of the problem of dust tracking in a high temperature tokamak plasma are addressed from the concrete point of view of developing adequate and consistent numerical tools for their treatment. The basic elements and the rationale of the numerical code DUST-TRACKing (DUSTTRACK) developed for it are outlined. To describe the performance and potential of DUSTTRACK, a “realistic” output of the code is finally showed.

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Acknowledgements

This work has been carried out at the Istituto di Fisica del Plasma IFP-CNR. The views and opinions expressed herein do not necessarily respect those of IFP-CNR.

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  1. Istituto di Fisica del Plasma IFP-CNR, Via Roberto Cozzi 53, 20125, Milan, Italy

    Gabriele Gervasini, Enzo Lazzaro & Andrea Uccello

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  1. Gabriele Gervasini
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  2. Enzo Lazzaro
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  3. Andrea Uccello
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Correspondence to Andrea Uccello.

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Gervasini, G., Lazzaro, E. & Uccello, A. Physical and Numerical Model for Calculation of Ensembles of Trajectories of Dust Particles in a Tokamak. J Fusion Energ 36, 25–39 (2017). https://doi.org/10.1007/s10894-016-0119-5

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